CSP-J考试真题压缩（2024年真题，附答案） 340.87KB

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CSP-J考试真题压缩（2024年真题，附答案）

<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/bg1.jpg"/><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0">1.32<span class="_"> </span><span class="ff2">位<span class="_ _0"> </span></span>int<span class="_"> </span><span class="ff2">类型的存储范<span class="_ _1"></span>围是（<span class="ff1"> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _0"> </span></span>）<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y3 ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff1">-21474836<span class="_ _1"></span>47 <span class="_ _0"> </span> <span class="_ _0"> </span>~ <span class="_ _3"> </span> <span class="_ _0"> </span>+21474836<span class="_ _1"></span>47<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y4 ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">-21474836<span class="_ _1"></span>47 <span class="_ _0"> </span> <span class="_ _0"> </span>~ <span class="_ _3"> </span> <span class="_ _0"> </span>+21474836<span class="_ _1"></span>48<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y5 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">-2147483648 <span class="_ _0"> </span> <span class="_ _0"> </span>~ <span class="_ _0"> </span> <span class="_ _0"> </span>+214748364<span class="_ _1"></span>7<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y6 ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff1">-21474836<span class="_ _1"></span>48 <span class="_ _0"> </span> <span class="_ _0"> </span>~ <span class="_ _3"> </span> <span class="_ _0"> </span>+21474836<span class="_ _1"></span>48<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">C<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y8 ff1 fs0 fc1 sc0 ls0 ws0">i<span class="ls5">nt<span class="_ _0"> </span></span><span class="ff2">的范围为</span>”-<span class="_ _1"></span><span class="ff5"></span></div><div class="t m0 x2 h3 y9 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x3 h4 y8 ff5 fs0 fc1 sc0 ls0 ws0"></div><div class="t m0 x4 h3 y9 ff5 fs1 fc1 sc0 ls6 ws0"></div><div class="t m0 x5 h2 y8 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span><span class="ff1">”<span class="_ _7"></span>,<span class="ff2">算出来的结<span class="_ _1"></span>果是<span class="ff1">-214<span class="_ _1"></span>7483648~214<span class="_ _1"></span>7483647<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 ya ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yb ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yc ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yd ff3 fs0 fc0 sc0 ls7 ws0">2.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">计算<span class="ff1">(<span class="ff5 ls8"></span></span></span></span></div><div class="t m0 x6 h3 ye ff5 fs1 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h4 yd ff5 fs0 fc0 sc0 ls0 ws0"><span class="_ _6"> </span><span class="ls8"></span></div><div class="t m0 x4 h3 ye ff5 fs1 fc0 sc0 ls0 ws0"></div><div class="t m0 x8 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">)<span class="ff5"><span class="_ _6"> </span></span></div><div class="t m0 x9 h3 ye ff5 fs1 fc0 sc0 ls6 ws0"></div><div class="t m0 xa h4 yd ff5 fs0 fc0 sc0 ls0 ws0"><span class="_ _6"> </span><span class="ls8"></span></div><div class="t m0 xb h3 ye ff5 fs1 fc0 sc0 ls0 ws0"></div><div class="t m0 xc h2 yd ff2 fs0 fc0 sc0 ls0 ws0">的结果，并选择<span class="_ _1"></span>答案的十进<span class="_ _1"></span>制值：<span class="_ _9"></span>（<span class="ff1"> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _3"> </span></span>）<span class="ff3"> </span></div><div class="t m0 x1 h2 yf ff1 fs0 fc0 sc0 ls0 ws0">A.13<span class="ff3"> </span></div><div class="t m0 x1 h2 y10 ff1 fs0 fc0 sc0 ls0 ws0">B.14<span class="ff3"> </span></div><div class="t m0 x1 h2 y11 ff1 fs0 fc0 sc0 ls0 ws0">C.15<span class="ff3"> </span></div><div class="t m0 x1 h2 y12 ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.16<span class="ff3"> </span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">A<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc1 sc0 ls0 ws0">原式<span class="ls9">化成</span>十进制后为<span class="ff1">(<span class="_ _1"></span><span class="ls7">12<span class="ls0">-<span class="lsa">10)</span>*13-<span class="lsa">13</span><span class="ff2">，计算后得<span class="_ _6"> </span></span><span class="lsa">13</span><span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y15 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y16 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y17 ff3 fs0 fc0 sc0 ls7 ws0">3.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">某公司有<span class="_ _6"> </span><span class="ff1 lsa">10<span class="_ _3"> </span></span>名员工，分<span class="_ _1"></span>为<span class="_ _0"> </span><span class="ff1">3<span class="_ _0"> </span></span>个部门：<span class="_ _1"></span><span class="ff1">A<span class="_ _0"> </span><span class="ff2">部门有<span class="_ _0"> </span></span>4<span class="_"> </span><span class="ff2">名员工，</span>B<span class="_ _0"> </span><span class="ff2">部门有<span class="_ _6"> </span></span>3<span class="_ _0"> </span><span class="ff2">名员工、</span>C<span class="_"> </span><span class="ff2">部门有</span></span></span></span></div><div class="t m0 x1 h2 y18 ff1 fs0 fc0 sc0 ls0 ws0">3<span class="_ _3"> </span><span class="ff2">名员工。现需<span class="_ _1"></span>要从这<span class="_ _0"> </span><span class="ff1 lsa">10<span class="_ _3"> </span></span>名员工中选出<span class="_ _0"> </span><span class="ff1">4<span class="_ _0"> </span></span>名组成一个工作组，且每<span class="_ _1"></span>个部门至<span class="_ _1"></span>少要有<span class="_ _0"> </span><span class="ff1">1<span class="_ _3"> </span></span><span class="ls9">人。</span></span></div><div class="t m0 x1 h2 y19 ff2 fs0 fc0 sc0 ls0 ws0">问有多少种选择<span class="_ _1"></span>方式？（<span class="ff1"> <span class="_"> </span> <span class="_ _0"> </span> <span class="_ _3"> </span> <span class="_ _0"> </span></span>）<span class="ff3"> </span></div><div class="t m0 x1 h2 y1a ff1 fs0 fc0 sc0 ls0 ws0">A.120<span class="ff3"> </span></div><div class="t m0 x1 h2 y1b ff1 fs0 fc0 sc0 ls0 ws0">B.126<span class="ff3"> </span></div><div class="t m0 x1 h2 y1c ff1 fs0 fc0 sc0 ls0 ws0">C.132<span class="ff3"> </span></div><div class="t m0 x1 h2 y1d ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.238<span class="ff3"> </span></div><div class="t m0 x1 h2 y1e ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">B<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y1f ff1 fs0 fc1 sc0 ls0 ws0">A<span class="_ _0"> </span><span class="ff2">选<span class="_ _6"> </span></span>2<span class="_ _0"> </span><span class="ff2 ls9">人，</span><span class="lsb">BC<span class="_ _0"> </span></span><span class="ff2">各一人</span>:<span class="ff5"></span></div><div class="t m0 xd h3 y20 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xe h3 y21 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xf h4 y1f ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 xa h3 y22 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x10 h3 y21 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x11 h4 y1f ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 x12 h3 y22 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x13 h3 y21 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x14 h2 y1f ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ls8"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y23 ff1 fs0 fc1 sc0 ls0 ws0">B<span class="_ _0"> </span><span class="ff2">选<span class="_ _6"> </span></span>2<span class="_ _0"> </span><span class="ff2 ls9">人，</span>AC<span class="_"> </span><span class="ff2">各<span class="ls9">一人<span class="_ _a"></span></span></span>:<span class="ff5"></span></div><div class="t m0 xd h3 y24 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xe h3 y25 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xf h4 y23 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 x15 h3 y26 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x10 h3 y25 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x11 h4 y23 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 x12 h3 y24 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x13 h3 y25 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x14 h2 y23 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ls8"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y27 ff1 fs0 fc1 sc0 ls0 ws0">C<span class="_ _0"> </span><span class="ff2">选<span class="_ _6"> </span></span>2<span class="_ _0"> </span><span class="ff2 ls9">人，</span><span class="lsc">AB<span class="_ _0"> </span></span><span class="ff2">各一人</span>:<span class="ff5"></span></div><div class="t m0 xd h3 y28 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xe h3 y29 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 xf h4 y27 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 xa h3 y2a ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x10 h3 y29 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x11 h4 y27 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 x12 h3 y28 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x13 h3 y29 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x14 h2 y27 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ls8"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y2b ff2 fs0 fc1 sc0 ls0 ws0">加一起得<span class="_ _6"> </span><span class="ff1">126<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y2c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2e ff3 fs0 fc0 sc0 ls7 ws0">4.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">以下哪个序列对<span class="_ _1"></span>应数组<span class="_ _6"> </span><span class="ff1">0<span class="_ _0"> </span></span>至<span class="_ _6"> </span><span class="ff1">8<span class="_ _0"> </span></span>的<span class="_ _6"> </span><span class="ff1">4<span class="_ _0"> </span></span>位二进制格雷码<span class="_ _1"></span>（<span class="ff1">Gr<span class="_ _1"></span>ay c<span class="_ _1"></span>ode<span class="ff2 ls9">）？</span><span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y2f ff1 fs0 fc0 sc0 ls0 ws0">A.0000<span class="ff2">，</span>0001<span class="_ _1"></span><span class="ff2">，<span class="ff1">0011</span>，<span class="ff1">001<span class="_ _1"></span>0<span class="ff2">，</span>0110<span class="ff2">，</span>0<span class="_ _1"></span>111<span class="ff2">，</span>0101<span class="ff2">，</span>1<span class="_ _1"></span>000<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y30 ff1 fs0 fc0 sc0 ls0 ws0">B.0000<span class="ff2">，</span>0<span class="_ _1"></span>001<span class="ff2">，</span>0011<span class="ff2">，</span><span class="lsa">0010</span><span class="ff2">，</span>011<span class="_ _1"></span>0<span class="ff2">，</span>0111<span class="ff2">，</span>0<span class="_ _1"></span>100<span class="ff2">，</span>0101<span class="ff3"> </span></div><div class="t m0 x1 h2 y31 ff1 fs0 fc0 sc0 ls0 ws0">C.0000<span class="ff2">，</span>0<span class="_ _1"></span>001<span class="ff2">，</span>0011<span class="ff2">，</span>0<span class="_ _1"></span>010<span class="ff2">，</span>0100<span class="ff2">，</span>0<span class="_ _1"></span>101<span class="ff2">，</span>0111<span class="ff2">，</span>0<span class="_ _1"></span>110<span class="ff3"> </span></div><div class="t m0 x1 h2 y32 ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.0000<span class="ff2">，</span>0001<span class="ff2">，<span class="_ _1"></span><span class="ff1">0011<span class="ff2">，</span>0010<span class="ff2">，<span class="_ _1"></span><span class="ff1">0110<span class="ff2">，</span>011<span class="_ _1"></span>1<span class="ff2">，</span>0101<span class="ff2">，</span>01<span class="_ _1"></span>00<span class="ff3"> </span></span></span></span></span></div><div class="t m0 x1 h2 y33 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">D<span class="_ _1"></span><span class="ff3"> </span></span></div><div class="t m0 x1 h2 y34 ff2 fs0 fc1 sc0 ls0 ws0">根据格雷码定义<span class="_ _1"></span>推算即可<span class="ff3"> </span></div><div class="t m0 x1 h2 y35 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y36 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y37 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y38 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div><div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/bg2.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y39 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3a ff3 fs0 fc0 sc0 ls7 ws0">5.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">记<span class="_ _0"> </span><span class="ff1">1Kb<span class="_"> </span></span>位<span class="_ _0"> </span><span class="ff1">1<span class="_ _1"></span>024<span class="_"> </span><span class="ff2">字节（</span>byte<span class="ff2 lsd">），<span class="_"> </span></span>1MB<span class="_"> </span><span class="ff2">位<span class="_ _6"> </span></span>1024KB<span class="ff2">，那么<span class="_ _6"> </span></span>1MB<span class="_"> </span><span class="ff2">是多少二进制位（</span><span class="lse">bit<span class="_ _1"></span><span class="ff2 ls0">）<span class="ff1">?<span class="ff3"> </span></span></span></span></span></span></span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">A.1000000<span class="ff3"> </span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">B.1048576<span class="_ _1"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">C.8000000<span class="_ _1"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y3b ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.8388608<span class="ff3"> </span></div><div class="t m0 x1 h2 y8 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">D<span class="_ _1"></span><span class="ff3"> </span></span></div><div class="t m0 x1 h2 y3c ff2 fs0 fc1 sc0 ls0 ws0">一个字节<span class="ls9">占用<span class="_ _6"> </span></span><span class="ff1">8<span class="_ _0"> </span></span>个<span class="_ _0"> </span><span class="ff1 lse">bit<span class="_"> </span></span>位，因此<span class="_ _6"> </span><span class="ff1">1<span class="_ _a"></span><span class="lsf">MB<span class="_"> </span></span></span>一共占用<span class="_ _0"> </span><span class="ff1">1<span class="_ _1"></span>024*1024*8=8<span class="_ _1"></span>388608<span class="_"> </span><span class="ff2">个<span class="_ _0"> </span></span><span class="lse">bit<span class="_"> </span></span><span class="ff2">位<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 yb ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yc ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3e ff3 fs0 fc0 sc0 ls7 ws0">6.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">以下哪个<span class="sc1">不是<span class="_ _6"> </span></span><span class="ff1 ls3">C++</span>中的基本数据类型<span class="_ _1"></span>？<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y10 ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff1">Int<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y11 ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">float<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y12 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">struct<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y3f ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff1">c<span class="lse">har</span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y14 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">C<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y40 ff1 fs0 fc1 sc0 ls0 ws0">struc<span class="_ _1"></span>t<span class="_ _0"> </span><span class="ff2">不是基本数<span class="_ _1"></span>据类型<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y16 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y41 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y42 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y19 ff3 fs0 fc0 sc0 ls7 ws0">7.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">以下哪个不是<span class="_ _6"> </span><span class="ff1">C++</span>中的循环语句<span class="_ _1"></span>？<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1a ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff1">fo<span class="_ _1"></span>r<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1b ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">while<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1c ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1 lse">do<span class="ls0">-while<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y1d ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff1">repea<span class="_ _1"></span>t<span class="_ _1"></span>-untill<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1e ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">D<span class="_ _1"></span><span class="ff3"> </span></span></div><div class="t m0 x1 h2 y1f ff1 fs0 fc1 sc0 ls0 ws0">Repea<span class="_ _1"></span>t<span class="_ _1"></span>-until<span class="_ _1"></span>l<span class="_ _0"> </span><span class="ff2">是<span class="_ _6"> </span></span>Pasc<span class="_ _1"></span>al<span class="ff2">、</span><span class="lsf">lua<span class="_"> </span></span><span class="ff2">等语言中的直到循环<span class="_ _1"></span>语句，<span class="ff1 ls3">C++</span>并不<span class="_ _1"></span>支持<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y43 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y44 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2b ff3 fs0 fc0 sc0 ls7 ws0">8.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">在<span class="_ _0"> </span><span class="ff1">C/C++</span><span class="ls9">中，</span><span class="ff1">(char)<span class="_ _1"></span>(<span class="ff5"></span>a<span class="ff5"></span>+13)<span class="ff2">与下面的哪<span class="_ _1"></span>一个值相等（<span class="_ _1"></span><span class="ff1"> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _3"> </span><span class="ff2">）<span class="ff3"> </span></span></span></span></span></span></span></div><div class="t m0 x1 h2 y2c ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff5"><span class="ff1">m</span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y2d ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff5"><span class="ff1">n</span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y45 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff5"><span class="ff1">z</span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y46 ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff5"><span class="ff1">3</span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y30 ff2 fs0 fc1 sc0 ls0 ws0">题解<span class="ff1 ls10">:B<span class="_ _1"></span><span class="ff3 ls0"> </span></span></div><div class="t m0 x1 h2 y31 ff5 fs0 fc1 sc0 ls0 ws0"><span class="ff1">a</span><span class="ff2">的<span class="_ _6"> </span><span class="ff1">ASCII<span class="_ _0"> </span></span>码为<span class="_ _6"> </span><span class="ff1 lsa">97<span class="_ _a"></span><span class="ls0">,</span></span></span><span class="ff1">a</span><span class="ff1">+13<span class="_"> </span><span class="ff2">为<span class="_ _0"> </span></span><span class="lsa">110</span><span class="ff2">，</span>ASC<span class="ls11">II<span class="_"> </span></span><span class="ff2">为</span></span><span class="ff1">n</span><span class="ff3"> </span></div><div class="t m0 x1 h2 y47 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y48 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y49 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y35 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y36 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y37 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y38 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div><div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/bg3.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff3 fs0 fc0 sc0 ls7 ws0">9.<span class="ff4 ls0"> <span class="_ _8"> </span><span class="ff2">假设有序表中<span class="_ _1"></span>有<span class="_ _0"> </span><span class="ff1">10<span class="_ _1"></span>00<span class="_ _0"> </span><span class="ff2">个元素，则<span class="_ _1"></span>用二分法查找<span class="_ _1"></span>元素<span class="_ _6"> </span><span class="ff1">x<span class="_ _0"> </span></span>最多需要<span class="_ _1"></span>比较（<span class="ff1"> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _0"> </span> <span class="_ _3"> </span></span><span class="ls9">）次</span><span class="ff3"> </span></span></span></span></span></div><div class="t m0 x1 h2 y3 ff1 fs0 fc0 sc0 ls0 ws0">A.25<span class="ff3"> </span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">B.10<span class="ff3"> </span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">C.7<span class="ff3"> </span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.1<span class="ff3"> </span></div><div class="t m0 x1 h2 y7 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">B<span class="ff3"> </span></span></div><div class="t m0 x1 h4 y8 ff5 fs0 fc1 sc0 ls0 ws0"></div><div class="t m0 x16 h3 y9 ff5 fs1 fc1 sc0 ls6 ws0"></div><div class="t m0 x17 h2 y8 ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _0"> </span><span class="_ _0"> </span><span class="_ _3"> </span><span class="_ _1"></span><span class="ff2">故选<span class="_ _0"> </span><span class="ff1">B<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 ya ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yb ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y4a ff3 fs0 fc0 sc0 ls7 ws0">10.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">下面哪一个不是操作<span class="_ _1"></span>系统名字（<span class="ff1 ls12"> <span class="_ _1"></span><span class="ff2 ls0">）<span class="ff3"> </span></span></span></span></span></div><div class="t m0 x1 h2 y3d ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff1">Notepad<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 yf ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">Linux<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y10 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">Windows<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y11 ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff1">macOS<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y4b ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">A<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y13 ff2 fs0 fc1 sc0 ls0 ws0">其他三个<span class="ls9">都是</span>操作系统<span class="_ _1"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y4c ff3 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y15 ff3 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y4d ff3 fs0 fc0 sc0 ls7 ws0">11.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">在无向图中，所有顶<span class="_ _1"></span>点的度数之和等<span class="_ _1"></span>于（<span class="ff1 ls12"> </span>）<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y17 ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff2">图的边数<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y18 ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff2">图的边数的两倍<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y19 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff2">图的定点数<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y4e ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff2">图的定点数的两<span class="_ _1"></span>倍<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y4f ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">B<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y50 ff2 fs0 fc1 sc0 ls0 ws0">一条边贡献两个<span class="_ _1"></span>度，因此所有顶<span class="_ _1"></span>点度数之<span class="_ _1"></span>和<span class="ls9">等于边数<span class="_ _a"></span></span>的<span class="ls9">两倍</span><span class="ff3"> </span></div><div class="t m0 x1 h2 y1d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y51 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1f ff3 fs0 fc0 sc0 ls7 ws0">12.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">已<span class="_ _a"></span>知<span class="_ _a"></span>二<span class="_ _a"></span>叉<span class="_ _a"></span>树<span class="_ _a"></span>的<span class="_ _a"></span>前<span class="_ _a"></span>序<span class="_ _a"></span>遍<span class="_ _a"></span>历<span class="_ _a"></span>为<span class="_ _a"></span><span class="ff1">[A,B,D,<span class="_ _1"></span>E,C,F<span class="_ _7"></span>,G],<span class="ff2">中<span class="_ _a"></span>序<span class="_ _a"></span>遍<span class="_ _a"></span>历<span class="_ _a"></span>为<span class="_ _a"></span></span>[D<span class="_ _1"></span>,B,E,A,F<span class="_ _7"></span>,C<span class="_ _1"></span>,G],<span class="_ _a"></span><span class="ff2">求<span class="_ _a"></span>二<span class="_ _a"></span>叉<span class="_ _a"></span>树的<span class="_ _a"></span>后<span class="_ _a"></span>序<span class="_ _a"></span>遍<span class="_ _a"></span>历</span></span></span></span></div><div class="t m0 x1 h2 y23 ff2 fs0 fc0 sc0 ls0 ws0">的结果是（<span class="ff1 ls12"> <span class="_ _1"></span><span class="ff2 ls0">）<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y44 ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff1">[D<span class="_ _1"></span>,E,B,<span class="_ _1"></span>F<span class="_ _7"></span>,G,C,A]<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y52 ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">[D<span class="_ _1"></span>,E,B,<span class="_ _1"></span>F<span class="_ _7"></span>,G,A,C]<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y2c ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff1">[D,B<span class="_ _1"></span>,E,F<span class="_ _7"></span>,G,C<span class="_ _1"></span>,A]<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y2d ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff1">[D<span class="_ _1"></span>,E,B,<span class="_ _1"></span>F<span class="_ _7"></span>,G,A,C]<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y2e ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">A<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y2f ff2 fs0 fc1 sc0 ls0 ws0">还原二叉树即可<span class="_ _1"></span><span class="ff3"> </span></div><div class="t m0 x1 h2 y53 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y54 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y47 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y48 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y49 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y35 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y36 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y37 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y38 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div><div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/bg4.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h2 y2 ff3 fs0 fc0 sc0 ls7 ws0">13.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">给定一个空栈，支持<span class="_ _1"></span>入栈和出栈操作<span class="_ _1"></span>。若入栈操作<span class="_ _1"></span>的元素依次是<span class="_ _6"> </span><span class="ff1">1 <span class="_ _b"></span>2 <span class="_ _b"></span>3 <span class="_ _b"></span>4 <span class="_ _b"></span>5 <span class="_ _b"></span>6,</span>其中<span class="_ _0"> </span><span class="ff1">1<span class="_ _0"> </span></span><span class="ls9">最先</span></span></span></div><div class="t m0 x1 h2 y3a ff2 fs0 fc0 sc0 ls0 ws0">入栈，<span class="ff1">6<span class="_"> </span></span>最后入栈，下<span class="_ _1"></span>面哪种出栈顺<span class="_ _1"></span>序是不可能的<span class="_ _1"></span>（<span class="ff1 ls12"> </span>）<span class="ff3"> </span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">A.6 5 4 3 2 <span class="_ _1"></span>1<span class="ff3"> </span></div><div class="t m0 x1 h2 y5 ff1 fs0 fc0 sc0 ls0 ws0">B.1 6 5 4 3<span class="_ _1"></span> 2<span class="ff3"> </span></div><div class="t m0 x1 h2 y6 ff1 fs0 fc0 sc0 ls0 ws0">C.2 4 6 5 3<span class="_ _1"></span> 1<span class="ff3"> </span></div><div class="t m0 x1 h2 y3b ff1 fs0 fc0 sc0 ls0 ws0">D<span class="_ _1"></span>.1 3 5 2 4 6<span class="ff3"> </span></div><div class="t m0 x1 h2 y8 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">D<span class="_ _1"></span><span class="ff3"> </span></span></div><div class="t m0 x1 h2 y3c ff1 fs0 fc1 sc0 ls0 ws0">A<span class="_ _0"> </span><span class="ff2">的<span class="ls9">顺序为：</span></span>1<span class="_ _0"> </span><span class="ff2">进<span class="_ _6"> </span></span>2<span class="_ _0"> </span><span class="ff2">进<span class="_ _6"> </span></span>3<span class="_ _0"> </span><span class="ff2">进<span class="_ _0"> </span></span>4<span class="_"> </span><span class="ff2">进<span class="_ _6"> </span></span>5<span class="_ _0"> </span><span class="ff2">进<span class="_ _0"> </span></span>6<span class="_"> </span><span class="ff2">进，</span>6<span class="_"> </span><span class="ff2">出<span class="_ _0"> </span></span>5<span class="_"> </span><span class="ff2">出<span class="_ _0"> </span></span>4<span class="_ _0"> </span><span class="ff2">出<span class="_ _6"> </span></span>3<span class="_ _0"> </span><span class="ff2">出<span class="_ _6"> </span></span>2<span class="_ _0"> </span><span class="ff2">出<span class="_ _6"> </span></span>1<span class="_ _0"> </span><span class="ff2">出<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y55 ff1 fs0 fc1 sc0 ls0 ws0">B<span class="_ _0"> </span><span class="ff2">的顺序<span class="ls9">为：</span></span>1<span class="_"> </span><span class="ff2">进，</span>1<span class="_"> </span><span class="ff2">出<span class="_ _0"> </span></span>2<span class="_"> </span><span class="ff2">进<span class="_ _0"> </span></span>3<span class="_"> </span><span class="ff2">进<span class="_ _0"> </span></span>4<span class="_"> </span><span class="ff2">进<span class="_ _0"> </span></span>5<span class="_"> </span><span class="ff2">进<span class="_ _0"> </span></span>6<span class="_"> </span><span class="ff2">进，</span>6<span class="_ _0"> </span><span class="ff2">出<span class="_ _6"> </span></span>5<span class="_ _0"> </span><span class="ff2">出<span class="_ _6"> </span></span>4<span class="_ _0"> </span><span class="ff2">出<span class="_ _0"> </span></span>2<span class="_"> </span><span class="ff2">出<span class="_ _0"> </span></span>2<span class="_"> </span><span class="ff2">出<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y4a ff1 fs0 fc1 sc0 ls0 ws0">C<span class="_ _0"> </span><span class="ff2">的顺序为<span class="_ _1"></span>：<span class="ff1">1<span class="_"> </span></span>进<span class="_ _0"> </span><span class="ff1">2<span class="_"> </span></span>进，<span class="ff1">2<span class="_"> </span></span>出，<span class="ff1">3<span class="_ _0"> </span></span>进<span class="_ _6"> </span><span class="ff1">4<span class="_ _0"> </span></span>进，<span class="ff1">4<span class="_"> </span></span><span class="ls9">出，</span><span class="ff1">5<span class="_ _0"> </span></span>进<span class="_ _0"> </span><span class="ff1">6<span class="_"> </span></span><span class="ls9">进，</span><span class="ff1">6<span class="_ _0"> </span></span>出<span class="_ _0"> </span><span class="ff1">5<span class="_"> </span></span>出<span class="_ _0"> </span><span class="ff1">3<span class="_"> </span></span>出<span class="_ _0"> </span><span class="ff1">1<span class="_"> </span></span>出<span class="ff3"> </span></span></div><div class="t m0 x1 h2 yd ff1 fs0 fc1 sc0 ls0 ws0">D<span class="_"> </span><span class="ff2">无法实现<span class="ff3"> </span></span></div><div class="t m0 x1 h2 yf ff3 fs0 fc1 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y56 ff3 fs0 fc0 sc0 ls7 ws0">14.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">有<span class="_ _0"> </span><span class="ff1">5<span class="_"> </span></span>个男生和<span class="_ _0"> </span><span class="ff1">3<span class="_"> </span></span>个女生站成一排<span class="_ _1"></span>，<span class="_ _c"></span>规定<span class="_ _6"> </span><span class="ff1">3<span class="_ _0"> </span></span>个女生必须<span class="_ _1"></span>相邻，<span class="_ _9"></span>问有多少种不同的<span class="_ _1"></span>排列方式？<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y57 ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="ff1">4320<span class="_"> </span><span class="ff2">种<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y4b ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="ff1">5040<span class="_"> </span><span class="ff2">种<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y13 ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="ff1">3600<span class="_"> </span><span class="ff2">种<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y14 ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="ff1">2880<span class="_"> </span><span class="ff2">种<span class="ff3"> </span></span></span></span></div><div class="t m0 x1 h2 y40 ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">A<span class="ff3"> </span></span></div><div class="t m0 x1 h4 y4d ff2 fs0 fc1 sc0 ls0 ws0">捆绑<span class="ls9">法，</span>将三个女生绑在<span class="_ _1"></span>一起<span class="ls9">方法总数</span>为<span class="ff5"></span></div><div class="t m0 x18 h3 y58 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x18 h3 y59 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x19 h4 y4d ff2 fs0 fc1 sc0 ls0 ws0">，和所有男生站<span class="_ _1"></span>一起总数<span class="_ _1"></span>为<span class="ff5"></span></div><div class="t m0 x1a h3 y58 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x1a h3 y59 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x1b h4 y4d ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _6"> </span></div><div class="t m0 x1c h3 y58 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x1c h3 y59 ff5 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x1d h2 y4d ff5 fs0 fc1 sc0 ls0 ws0"><span class="_ _0"> </span><span class="ff3"> </span></div><div class="t m0 x1 h2 y41 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y42 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y5a ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y4e ff3 fs0 fc0 sc0 ls7 ws0">15.<span class="ff4 ls0"> <span class="_ _7"></span><span class="ff2">编译器的主要作用是<span class="_ _1"></span>什么（<span class="ff1 ls12"> </span>）？<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y4f ff3 fs0 fc0 sc0 ls1 ws0">A.<span class="ff4 ls0"> <span class="_ _2"> </span><span class="ff2">直接执行源代码<span class="_ _1"></span><span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y50 ff3 fs0 fc0 sc0 ls2 ws0">B.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff2">将源代码转换为<span class="_ _1"></span>机器代码<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y5b ff3 fs0 fc0 sc0 ls3 ws0">C.<span class="ff4 ls0"> <span class="_ _4"> </span><span class="ff2">进行代码调试<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1e ff3 fs0 fc0 sc0 ls4 ws0">D.<span class="ff4 ls0"> <span class="_ _5"> </span><span class="ff2">管理程序运行时<span class="_ _1"></span>的内存<span class="ff3"> </span></span></span></div><div class="t m0 x1 h2 y1f ff2 fs0 fc1 sc0 ls0 ws0">题解：<span class="ff1">B<span class="ff3"> </span></span></div><div class="t m0 x1 h2 y43 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y44 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y52 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y45 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y46 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y53 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y54 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y47 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y48 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y49 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y35 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y36 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y37 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y38 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div><div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89788229/bg5.jpg"><div class="c x0 y1 w2 h0"><div class="t m0 x1 h5 y2 ff2 fs0 fc0 sc0 ls0 ws0">二．阅读程序<span class="_ _d"></span>（程序输入<span class="_ _1"></span>不超过数组<span class="_ _1"></span>或字符串定义<span class="_ _1"></span>的范围；<span class="_ _d"></span>判断题正确填<span class="_ _6"> </span><span class="ff6">V</span>，<span class="_ _1"></span>错误填<span class="_ _6"> </span><span class="ff6">x</span><span class="ls13">；除</span></div><div class="t m0 x1 h2 y3a ff2 fs0 fc0 sc0 ls0 ws0">特殊说明外，判<span class="_ _1"></span>断题<span class="_ _6"> </span><span class="ff6">1.5<span class="_ _0"> </span></span>分，选择<span class="_ _1"></span>题<span class="_ _0"> </span><span class="ff6">3<span class="_ _6"> </span></span>分，共计<span class="_ _0"> </span><span class="ff6 ls9">40<span class="_ _6"> </span></span>分）<span class="ff3"> </span></div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">(1)<span class="ff3"> </span></div><div class="t m0 x1 h2 y5 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y6 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3b ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y5c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 ya ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yb ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yc ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 yf ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y10 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y11 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y12 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y3f ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y4c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y15 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y16 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y41 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y42 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y5a ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1a ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1b ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y1d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y51 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y5d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y43 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y44 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y52 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2c ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y2d ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y45 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y46 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y53 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y54 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y47 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y48 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y49 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y35 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y36 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y37 ff3 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h2 y38 ff3 fs0 fc0 sc0 ls0 ws0"> </div></div><div class="c x1e y5e w3 h6"><div class="t m0 x1f h2 y5f ff1 fs0 fc0 sc0 ls0 ws0">1<span class="ff3"> <span class="_ _e"> </span></span>#include <ios<span class="_ _1"></span>tr<span class="_ _1"></span>eam><span class="ff3"> </span></div><div class="t m0 x1f h2 y60 ff1 fs0 fc0 sc0 ls0 ws0">2<span class="ff3"> <span class="_ _e"> </span></span>using namesp<span class="_ _1"></span>ace st<span class="_ _1"></span>d;<span class="ff3"> </span></div><div class="t m0 x1f h2 y61 ff1 fs0 fc0 sc0 ls0 ws0">3<span class="ff3"> </span></div><div class="t m0 x1f h2 y62 ff1 fs0 fc0 sc0 ls0 ws0">4<span class="ff3"> <span class="_ _e"> </span></span>bool isP<span class="_ _1"></span>rime(int n) {<span class="_ _1"></span><span class="ff3"> </span></div><div class="t m0 x1f h2 y63 ff1 fs0 fc0 sc0 ls0 ws0">5<span class="ff3"> <span class="_ _e"> </span> <span class="_ _f"> </span></span>if (n <= 1) {<span class="ff3"> </span></div><div class="t m0 x1f h2 y64 ff1 fs0 fc0 sc0 ls0 ws0">6<span class="ff3"> <span class="_ _e"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span></span>return f<span class="_ _1"></span>alse<span class="_ _1"></span>;<span class="ff3"> </span></div><div class="t m0 x1f h2 y65 ff1 fs0 fc0 sc0 ls0 ws0">7<span class="ff3"> <span class="_ _e"> </span> <span class="_ _f"> </span></span>}<span class="ff3"> </span></div><div class="t m0 x1f h2 y66 ff1 fs0 fc0 sc0 ls0 ws0">8<span class="ff3"> <span class="_ _e"> </span> <span class="_ _f"> </span></span>fo<span class="_ _1"></span>r (int i = 2<span class="_ _1"></span>; i * i <= n; i++)<span class="_ _1"></span> {<span class="ff3"> </span></div><div class="t m0 x1f h2 y67 ff1 fs0 fc0 sc0 ls0 ws0">9<span class="ff3"> <span class="_ _e"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span></span>if (n % i == <span class="_ _1"></span>0) {<span class="ff3"> </span></div><div class="t m0 x1f h2 y68 ff1 fs0 fc0 sc0 ls7 ws0">10<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">return f<span class="_ _1"></span>alse<span class="_ _1"></span>;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y69 ff1 fs0 fc0 sc0 ls7 ws0">11<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y6a ff1 fs0 fc0 sc0 ls7 ws0">12<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y6b ff1 fs0 fc0 sc0 ls7 ws0">13<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">return t<span class="_ _1"></span>rue;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y6c ff1 fs0 fc0 sc0 ls7 ws0">14<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y6d ff1 fs0 fc0 sc0 ls7 ws0">15<span class="ff3 ls0"> </span></div><div class="t m0 x1f h2 y6e ff1 fs0 fc0 sc0 ls7 ws0">16<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">int c<span class="_ _1"></span>oun<span class="_ _1"></span>tPrimes(int<span class="_ _1"></span> n) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y6f ff1 fs0 fc0 sc0 ls7 ws0">17<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">int c<span class="_ _1"></span>ount<span class="_ _1"></span> = 0;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y70 ff1 fs0 fc0 sc0 ls7 ws0">18<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">fo<span class="_ _1"></span>r (int i = 2<span class="_ _1"></span>; i <= n; i++) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y71 ff1 fs0 fc0 sc0 ls7 ws0">19<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">if (isPrime(i)<span class="_ _1"></span>) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y72 ff1 fs0 fc0 sc0 ls7 ws0">20<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">coun<span class="_ _1"></span>t++;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y73 ff1 fs0 fc0 sc0 ls7 ws0">21<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y74 ff1 fs0 fc0 sc0 ls7 ws0">22<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y75 ff1 fs0 fc0 sc0 ls7 ws0">23<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">return c<span class="_ _1"></span>oun<span class="_ _1"></span>t;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y76 ff1 fs0 fc0 sc0 ls7 ws0">24<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y77 ff1 fs0 fc0 sc0 ls7 ws0">25<span class="ff3 ls0"> </span></div><div class="t m0 x1f h2 y78 ff1 fs0 fc0 sc0 ls7 ws0">26<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">int s<span class="_ _1"></span>umPrimes(in<span class="_ _1"></span>t n) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y79 ff1 fs0 fc0 sc0 ls7 ws0">27<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">int s<span class="_ _1"></span>um = 0;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y7a ff1 fs0 fc0 sc0 ls7 ws0">28<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">fo<span class="_ _1"></span>r (int i = 2<span class="_ _1"></span>; i <= n; i++) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y7b ff1 fs0 fc0 sc0 ls7 ws0">29<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">if (isPrime(i)<span class="_ _1"></span>) {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y7c ff1 fs0 fc0 sc0 ls7 ws0">30<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">sum += i;</span> </span></div><div class="t m0 x1f h2 y7d ff1 fs0 fc0 sc0 ls7 ws0">31<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y7e ff1 fs0 fc0 sc0 ls7 ws0">32<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y7f ff1 fs0 fc0 sc0 ls7 ws0">33<span class="ff3 ls0"> <span class="_ _10"> </span> <span class="_ _f"> </span><span class="ff1">return s<span class="_ _1"></span>um;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y80 ff1 fs0 fc0 sc0 ls7 ws0">34<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">}</span> </span></div><div class="t m0 x1f h2 y81 ff1 fs0 fc0 sc0 ls7 ws0">35<span class="ff3 ls0"> </span></div><div class="t m0 x1f h2 y82 ff1 fs0 fc0 sc0 ls7 ws0">35<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">int ma<span class="_ _1"></span>in() {<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y83 ff1 fs0 fc0 sc0 ls7 ws0">37<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">int x;</span> </span></div><div class="t m0 x1f h2 y84 ff1 fs0 fc0 sc0 ls7 ws0">38<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">cin >> x;</span> </span></div><div class="t m0 x1f h2 y85 ff1 fs0 fc0 sc0 ls7 ws0">39<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">cout<span class="_ _1"></span> << coun<span class="_ _1"></span>tPrimes(x) << " <span class="_ _1"></span>" << sumPrim<span class="_ _1"></span>es(x) << endl<span class="_ _1"></span>;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y86 ff1 fs0 fc0 sc0 ls7 ws0">40<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">return <span class="_ _1"></span>0;<span class="ff3"> </span></span></span></div><div class="t m0 x1f h2 y87 ff1 fs0 fc0 sc0 ls7 ws0">41<span class="ff3 ls0"> <span class="_ _10"> </span><span class="ff1">}</span> </span></div></div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div>

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