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<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6255a399b744eb386fdfd09a/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">2011<span class="_ _0"> </span><span class="ff2 sc1 ls1">年<span class="ls2">预赛<span class="_ _0"> </span></span></span><span class="ls1">C<span class="_ _0"> </span><span class="ff2 sc1">本科<span class="_ _0"> </span></span>B<span class="_ _0"> </span><span class="ff2 sc1">组题目及解析</span> </span></div><div class="t m0 x2 h3 y2 ff3 fs1 fc0 sc0 ls3 ws0"> <span class="ff1 fs2 ls4"> <span class="ff2 sc1 ls2">题一：</span><span class="ls1"> </span></span></div><div class="t m0 x2 h4 y3 ff3 fs1 fc0 sc0 ls5 ws0">/*<span class="ls1"> <span class="_ _1"> </span><span class="ff2">神秘的三位数</span> <span class="_ _2"></span> </span></div><div class="t m0 x3 h4 y4 ff2 fs1 fc0 sc0 ls1 ws0">有这样一个<span class="_ _1"> </span><span class="ff3">3<span class="_"> </span></span>位数<span class="_ _2"></span>，组成<span class="_ _2"></span>它的<span class="_ _3"> </span><span class="ff3">3<span class="_ _3"> </span></span>个数字阶乘之和<span class="_ _2"></span>正好等于<span class="_ _2"></span>它本身。即：</div><div class="t m0 x3 h4 y5 ff3 fs1 fc0 sc0 ls6 ws0">abc<span class="ls1"> = <span class="ls7">a!<span class="_ _4"></span></span> + <span class="ls7">b!<span class="_ _4"></span></span> + <span class="ls8">c!<span class="_ _4"></span></span> </span></div><div class="t m0 x3 h4 y6 ff2 fs1 fc0 sc0 ls1 ws0">下面的程序用于<span class="_ _2"></span>搜索这样<span class="_ _2"></span>的<span class="_ _3"> </span><span class="ff3">3<span class="_ _3"> </span></span>位数。请补全缺失<span class="_ _2"></span>的代码。<span class="ff3"> <span class="_ _2"></span> </span></div><div class="t m0 x3 h5 y7 ff2 fs1 fc0 sc0 ls1 ws0">把填空的答案<span class="_ _5"></span>（仅填空处<span class="_ _2"></span>的答案，<span class="_ _5"></span>不包括题面）<span class="_ _5"></span>存入考生文件<span class="_ _2"></span>夹下对应题号<span class="_ _2"></span>的<span class="ff4">“</span>解</div><div class="t m0 x3 h4 y8 ff2 fs1 fc0 sc0 ls1 ws0">答<span class="ff4">.txt”</span>中即可<span class="_ _2"></span>。<span class="ff3"> </span></div><div class="t m0 x3 h4 y9 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ls9">*/</span> </div><div class="t m0 x3 h4 ya ff3 fs1 fc0 sc0 ls1 ws0">#include <iost<span class="_ _2"></span>ream> <span class="_ _1"> </span> </div><div class="t m0 x3 h4 yb ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 yc ff3 fs1 fc0 sc0 ls1 ws0">using namesp<span class="_ _2"></span>ace std; <span class="_ _2"></span> </div><div class="t m0 x3 h4 yd ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h6 ye ff1 fs1 fc1 sc0 ls1 ws0">int<span class="ff3 fc0"> main() <span class="_ _2"></span> </span></div><div class="t m0 x3 h4 yf ff3 fs1 fc0 sc0 ls1 ws0">{ </div><div class="t m0 x3 h6 y10 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">int</span> JC[]<span class="_ _2"></span> = {1,1,2,<span class="_ _2"></span>6,24,120,720,5<span class="_ _2"></span>040,40320,362<span class="_ _2"></span>880}; <span class="_ _2"></span> </div><div class="t m0 x3 h6 y11 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">int</span> <span class="lsa">i;<span class="_ _2"></span><span class="ls1"> </span></span></div><div class="t m0 x3 h4 y12 ff3 fs1 fc0 sc0 ls1 ws0"> for(i=100; <span class="_ _2"></span>i<1000; i++) <span class="_ _2"></span> </div><div class="t m0 x3 h4 y13 ff3 fs1 fc0 sc0 ls1 ws0"> { </div><div class="t m0 x3 h6 y14 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="ff1 fc1">int</span> sum = <span class="ls6">0;</span> </div><div class="t m0 x3 h6 y15 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="ff1 fc1">int</span> x = <span class="lsa">i;<span class="_ _2"></span><span class="ls1"> </span></span></div><div class="t m0 x3 h4 y16 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> while<span class="lsb">(x</span> > <span class="ls6">0)</span> </div><div class="t m0 x3 h4 y17 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> { </div><div class="t m0 x3 h4 y18 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> sum <span class="lsc">+=</span> JC[x%10]; <span class="_ _2"></span> </div><div class="t m0 x3 h4 y19 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> x <span class="ls5">/=</span> <span class="ls6">10;</span> </div><div class="t m0 x3 h4 y1a ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> } </div><div class="t m0 x3 h4 y1b ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="lsa">if</span>(i==sum) <span class="ls6">pr</span>int<span class="_ _2"></span>f(<span class="lsd">"%d</span>\<span class="ls6">n"</span>, <span class="_ _2"></span>i); </div><div class="t m0 x3 h4 y1c ff3 fs1 fc0 sc0 ls1 ws0"> } </div><div class="t m0 x3 h4 y1d ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y1e ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>eturn <span class="ls6">0;</span> </div><div class="t m0 x3 h4 y1f ff3 fs1 fc0 sc0 ls1 ws0">} </div><div class="t m0 x2 h4 y20 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x2 h7 y21 ff2 fs2 fc0 sc1 ls1 ws0">题二：<span class="ff3 fs1 sc0"> <span class="_ _1"> </span> </span></div><div class="t m0 x3 h4 y22 ff3 fs1 fc0 sc0 ls1 ws0">/** </div><div class="t m0 x3 h4 y23 ff2 fs1 fc0 sc0 ls1 ws0">歌赛新规则<span class="ff3"> <span class="_ _2"></span> </span></div><div class="t m0 x3 h5 y24 ff2 fs1 fc0 sc0 ls1 ws0">歌手大赛的评分<span class="_ _2"></span>规则一般<span class="_ _2"></span>是去掉一个最高<span class="_ _2"></span>分，<span class="_ _2"></span>去掉一个最低分<span class="_ _2"></span>，剩<span class="_ _2"></span>下的分数求平</div><div class="t m0 x3 h4 y25 ff2 fs1 fc0 sc0 ls1 ws0">均。当评委较少<span class="_ _2"></span>的时候，<span class="_ _2"></span>如果我们只允许<span class="_ _2"></span>去掉一个<span class="_ _2"></span>分数，该如何设<span class="_ _2"></span>计规则呢<span class="_ _2"></span>？<span class="ff3"> </span></div><div class="t m0 x3 h5 y26 ff2 fs1 fc0 sc0 ls1 ws0">有人提出：应该<span class="_ _2"></span>去掉与其<span class="_ _2"></span>余的分数平均值<span class="_ _2"></span>相差最远<span class="_ _2"></span>的那个分数。即<span class="ff4">“<span class="_ _2"></span><span class="ff2">最离群<span class="ff4">”</span><span class="lse">的分</span></span></span></div><div class="t m0 x3 h4 y27 ff2 fs1 fc0 sc0 ls1 ws0">数。<span class="ff3"> </span></div><div class="t m0 x3 h4 y28 ff2 fs1 fc0 sc0 ls1 ws0">以下的程序用于<span class="_ _2"></span>实现这个<span class="_ _2"></span>功能。<span class="_ _5"></span>其<span class="_ _2"></span>中<span class="_ _3"> </span><span class="ff3">x<span class="_ _3"> </span></span>存放所有评<span class="_ _2"></span>分，<span class="_ _5"></span><span class="ff3">n<span class="_ _1"> </span><span class="ff2">表示数组中元素<span class="_ _2"></span>的个数。</span></span></div><div class="t m0 x3 h4 y29 ff2 fs1 fc0 sc0 ls1 ws0">函数返回最<span class="ff4">“<span class="_ _2"></span><span class="ff2">离群<span class="ff4">”</span>的那个分<span class="_ _2"></span>数值。请补<span class="_ _2"></span>全缺失的代码<span class="_ _2"></span>。<span class="ff3"> </span></span></span></div><div class="t m0 x3 h5 y2a ff2 fs1 fc0 sc0 ls1 ws0">把填空的答案<span class="_ _5"></span>（仅填空处<span class="_ _2"></span>的答案，<span class="_ _5"></span>不包括题面）<span class="_ _5"></span>存入考生文件<span class="_ _2"></span>夹下对应题号<span class="_ _2"></span>的<span class="ff4">“</span>解</div><div class="t m0 x3 h4 y2b ff2 fs1 fc0 sc0 ls1 ws0">答<span class="ff4">.txt”</span>中即可<span class="_ _2"></span>。<span class="ff3"> </span></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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<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="https://static.pudn.com/prod/directory_preview_static/6255a399b744eb386fdfd09a/bg2.jpg"><div class="t m0 x3 h4 y2c ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ls9">*/</span> </div><div class="t m0 x3 h4 y2d ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y2e ff3 fs1 fc0 sc0 ls1 ws0">#include <iost<span class="_ _2"></span>ream> <span class="_ _1"> </span> </div><div class="t m0 x3 h4 y2f ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y30 ff3 fs1 fc0 sc0 ls1 ws0">using namesp<span class="_ _2"></span>ace std; <span class="_ _2"></span> </div><div class="t m0 x3 h4 y5 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h6 y6 ff1 fs1 fc1 sc0 ls1 ws0">double<span class="ff3 fc0"> score(<span class="_ _2"></span><span class="ff1 fc1">double<span class="ff3 fc0"> x[]<span class="_ _2"></span>, <span class="ff1 fc1">int</span> <span class="ls6">n)<span class="_ _2"></span><span class="ls1"> </span></span></span></span></span></div><div class="t m0 x3 h4 y31 ff3 fs1 fc0 sc0 ls1 ws0">{ </div><div class="t m0 x3 h6 y8 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">int</span> i,j; <span class="_ _2"></span> </div><div class="t m0 x3 h6 y32 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">double</span> d<span class="_ _2"></span>if = -<span class="ls6">1;</span> <span class="_ _2"></span> </div><div class="t m0 x3 h6 y33 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">double</span> ba<span class="_ _2"></span>d; </div><div class="t m0 x3 h4 yb ff3 fs1 fc0 sc0 ls1 ws0"> for(i=0;<span class="_ _2"></span> i<n; i++) </div><div class="t m0 x3 h4 yc ff3 fs1 fc0 sc0 ls1 ws0"> { </div><div class="t m0 x3 h6 y34 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="ff1 fc1">double</span> sum = <span class="ls6">0;</span> <span class="_ _2"></span> </div><div class="t m0 x3 h4 y35 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> for(j=0; j<n; j++)<span class="_ _2"></span> </div><div class="t m0 x3 h4 yf ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> { </div><div class="t m0 x3 h4 y36 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="lsa">if<span class="lsb">(j</span></span> <span class="lsf">!=<span class="_ _2"></span><span class="ls1"> <span class="_ _2"></span><span class="lsa">i)<span class="ls1"> <span class="lse">sum</span> <span class="lsc">+=</span> x[j]; </span></span></span></span></div><div class="t m0 x3 h4 y37 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> } </div><div class="t m0 x3 h6 y38 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="ff1 fc1">double</span> t = x[<span class="_ _2"></span>i] - sum / <span class="lsb">(n</span>-1);<span class="_ _2"></span> </div><div class="t m0 x3 h4 y13 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="lsa">if</span>(t<0) t =<span class="_ _2"></span> -<span class="ls10">t;</span> </div><div class="t m0 x3 h4 y39 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="lsa">if</span>(t>dif) </div><div class="t m0 x3 h4 y3a ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> { </div><div class="t m0 x3 h4 y16 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> dif = <span class="ls5">t;</span> </div><div class="t m0 x3 h4 y17 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> <span class="ls6">bad</span> = x[i];<span class="_ _2"></span> </div><div class="t m0 x3 h4 y18 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> printf("%d, <span class="ls9">%f</span>\<span class="ls6">n"</span>, <span class="lsa">i,<span class="_ _2"></span><span class="ls1"> x[<span class="_ _2"></span>i]); </span></span></div><div class="t m0 x3 h4 y19 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="_ _2"></span> } </div><div class="t m0 x3 h4 y1a ff3 fs1 fc0 sc0 ls1 ws0"> } </div><div class="t m0 x3 h4 y1b ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y1c ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>eturn <span class="ls6">bad;</span> </div><div class="t m0 x3 h4 y1d ff3 fs1 fc0 sc0 ls1 ws0">} </div><div class="t m0 x3 h4 y1e ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h6 y3b ff1 fs1 fc1 sc0 ls1 ws0">int<span class="ff3 fc0"> main() <span class="_ _2"></span> </span></div><div class="t m0 x3 h4 y20 ff3 fs1 fc0 sc0 ls1 ws0">{ </div><div class="t m0 x3 h6 y3c ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">double</span> x[<span class="_ _2"></span>7] = {7.0,<span class="_ _2"></span>1.0,8.9,9.9,6.<span class="_ _2"></span>5,5.9,8.9};<span class="_ _2"></span> </div><div class="t m0 x3 h4 y22 ff3 fs1 fc0 sc0 ls1 ws0"> score(<span class="_ _2"></span>x,7); </div><div class="t m0 x3 h4 y3d ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>eturn <span class="ls6">0;</span> </div><div class="t m0 x3 h4 y3e ff3 fs1 fc0 sc0 ls1 ws0">} </div><div class="t m0 x2 h4 y3f ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x2 h3 y40 ff2 fs2 fc0 sc1 ls1 ws0">题三：<span class="ff1 sc0"> <span class="_ _6"> </span><span class="ff3 fs1"> </span></span></div><div class="t m0 x3 h4 y41 ff3 fs1 fc0 sc0 ls1 ws0">/** </div><div class="t m0 x3 h4 y28 ff2 fs1 fc0 sc0 ls1 ws0">反转串<span class="ff3"> </span></div><div class="t m0 x3 h4 y29 ff2 fs1 fc0 sc0 ls1 ws0">我们把<span class="ff4">“cba”<span class="_ _2"></span><span class="ff2">称为<span class="ff4">“abc”</span>的<span class="_ _2"></span>反转串。<span class="ff3"> <span class="_ _2"></span> </span></span></span></div><div class="t m0 x3 h4 y2a ff2 fs1 fc0 sc0 ls1 ws0">下面的代码可以<span class="_ _2"></span>把<span class="_ _3"> </span><span class="ff3 ls11">buf<span class="_"> </span></span>中的字符反转<span class="_ _2"></span>。其中<span class="_ _1"> </span><span class="ff3">n<span class="_"> </span></span><span class="lse">表示<span class="_ _3"> </span><span class="ff3 ls6">buf<span class="_ _3"> </span></span></span>中待反转的串<span class="_ _2"></span>的长度。请</div><div class="t m0 x3 h4 y2b ff2 fs1 fc0 sc0 ls1 ws0">补充缺少的代码<span class="_ _2"></span>。<span class="ff3"> </span></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="https://static.pudn.com/prod/directory_preview_static/6255a399b744eb386fdfd09a/bg3.jpg"><div class="t m0 x3 h5 y42 ff2 fs1 fc0 sc0 ls1 ws0">把填空的答案<span class="_ _5"></span>（仅填空处<span class="_ _2"></span>的答案，<span class="_ _5"></span>不包括题面）<span class="_ _5"></span>存入考生文件<span class="_ _2"></span>夹下对应题号<span class="_ _2"></span>的<span class="ff4">“</span>解</div><div class="t m0 x3 h4 y43 ff2 fs1 fc0 sc0 ls1 ws0">答<span class="ff4">.txt”</span>中即可<span class="_ _2"></span>。<span class="ff3"> </span></div><div class="t m0 x3 h4 y2e ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ls9">*/</span> </div><div class="t m0 x3 h4 y2f ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y30 ff3 fs1 fc0 sc0 ls1 ws0">#include <iost<span class="_ _2"></span>ream> <span class="_ _1"> </span> </div><div class="t m0 x3 h4 y5 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h4 y44 ff3 fs1 fc0 sc0 ls1 ws0">using namesp<span class="_ _2"></span>ace std; <span class="_ _2"></span> </div><div class="t m0 x3 h4 y31 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h6 y8 ff3 fs1 fc0 sc0 ls1 ws0">void rev<span class="_ _2"></span>erse_str(<span class="ff1 fc1">char</span>* <span class="_ _2"></span>buf, <span class="ff1 fc1">i<span class="_ _2"></span>nt<span class="ff3 fc0"> <span class="ls6">n)</span> </span></span></div><div class="t m0 x3 h4 y9 ff3 fs1 fc0 sc0 ls1 ws0">{ </div><div class="t m0 x3 h4 ya ff3 fs1 fc0 sc0 ls1 ws0"> <span class="lsa">if</span>(n<<span class="_ _2"></span>2) return; <span class="_ _2"></span> </div><div class="t m0 x3 h6 y45 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">char</span> <span class="_ _2"></span>tmp = buf[0]; </div><div class="t m0 x3 h4 yc ff3 fs1 fc0 sc0 ls1 ws0"> buf[0] <span class="_ _2"></span>= buf[n-1]; </div><div class="t m0 x3 h4 yd ff3 fs1 fc0 sc0 ls1 ws0"> buf[n-<span class="ls6">1]<span class="_ _2"></span><span class="ls1"> = tmp; </span></span></div><div class="t m0 x3 h4 y35 ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>everse_str(buf + 1,n -<span class="_ _2"></span> 2); </div><div class="t m0 x3 h4 yf ff3 fs1 fc0 sc0 ls1 ws0">} </div><div class="t m0 x3 h4 y36 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x3 h6 y11 ff1 fs1 fc1 sc0 ls1 ws0">int<span class="ff3 fc0"> main() <span class="_ _2"></span> </span></div><div class="t m0 x3 h4 y12 ff3 fs1 fc0 sc0 ls1 ws0">{ </div><div class="t m0 x3 h6 y46 ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ff1 fc1">char</span> <span class="_ _2"></span>buf[8] = "abcdefg";<span class="_ _2"></span> </div><div class="t m0 x3 h4 y39 ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>everse_str(buf,7); </div><div class="t m0 x3 h4 y3a ff3 fs1 fc0 sc0 ls1 ws0"> cout<span class="_ _2"></span> <span class="lsc"><<</span> <span class="ls6">buf</span> <span class="lsc"><<</span> endl; </div><div class="t m0 x3 h4 y16 ff3 fs1 fc0 sc0 ls1 ws0"> r<span class="_ _2"></span>eturn <span class="ls6">0;</span> </div><div class="t m0 x3 h4 y17 ff3 fs1 fc0 sc0 ls1 ws0">} </div><div class="t m0 x2 h4 y18 ff3 fs1 fc0 sc0 ls1 ws0"> </div><div class="t m0 x2 h3 y47 ff1 fs2 fc0 sc0 ls1 ws0"> </div><div class="t m0 x2 h7 y48 ff2 fs2 fc0 sc1 ls1 ws0">题四：<span class="ff3 fs1 sc0"> <span class="_ _1"> </span> </span></div><div class="t m0 x3 h4 y1b ff3 fs1 fc0 sc0 ls1 ws0">/** </div><div class="t m0 x3 h4 y49 ff3 fs1 fc0 sc0 ls1 ws0">n<span class="_ _3"> </span><span class="ff2">进制小数</span> </div><div class="t m0 x3 h4 y4a ff2 fs1 fc0 sc0 ls1 ws0">将任意十进制正<span class="_ _2"></span>小数分别<span class="_ _2"></span>转换成<span class="_ _3"> </span><span class="ff3">2,3,4,5,6,7,8,<span class="_ _2"></span>9<span class="_ _3"> </span><span class="ff2">进制正小数<span class="_ _2"></span>，<span class="_ _7"></span>小数点后保<span class="_ _2"></span>留<span class="_ _3"> </span><span class="ff3">8<span class="_ _3"> </span></span>位，</span></span></div><div class="t m0 x3 h4 y4b ff2 fs1 fc0 sc0 ls1 ws0">并输出。例如：<span class="_ _2"></span>若十进制<span class="_ _2"></span>小数为<span class="_ _3"> </span><span class="ff3">0.795</span>，则输<span class="_ _2"></span>出：<span class="ff3"> </span></div><div class="t m0 x3 h4 y3b ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 2 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.11<span class="_ _2"></span>001011 </span></span></span></div><div class="t m0 x3 h4 y4c ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 3 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.21<span class="_ _2"></span>011011 </span></span></span></div><div class="t m0 x3 h4 y3c ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 4 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.30<span class="_ _2"></span>232011 </span></span></span></div><div class="t m0 x3 h4 y4d ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 5 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.34<span class="_ _2"></span>414141 </span></span></span></div><div class="t m0 x3 h4 y23 ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 6 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.44<span class="_ _2"></span>341530 </span></span></span></div><div class="t m0 x3 h4 y24 ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 7 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.53<span class="_ _2"></span>645364 </span></span></span></div><div class="t m0 x3 h4 y25 ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 8 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.62<span class="_ _2"></span>702436 </span></span></span></div><div class="t m0 x3 h4 y26 ff2 fs1 fc0 sc0 ls1 ws0">十进制正小数<span class="ff3"> <span class="_ _2"></span>0.795000 <span class="_ _2"></span><span class="ff2">转换成<span class="ff3"> 9 </span>进制<span class="_ _2"></span>数为<span class="ff3">: 0.71<span class="_ _2"></span>348853 </span></span></span></div><div class="t m0 x3 h4 y27 ff2 fs1 fc0 sc0 ls1 ws0">以下代码提供了<span class="_ _2"></span>这个功能<span class="_ _2"></span>。其中，<span class="ff3">dTest<span class="_ _2"></span>No<span class="_ _3"> </span><span class="ff2">表示待转的十<span class="_ _2"></span>进制小数<span class="_ _2"></span>。<span class="ff3">iBase<span class="_ _1"> </span></span>表示</span></span></div><div class="t m0 x3 h4 y28 ff2 fs1 fc0 sc0 ls1 ws0">进制数。请填写<span class="_ _2"></span>缺失的部<span class="_ _2"></span>分。<span class="ff3"> </span></div><div class="t m0 x3 h5 y29 ff2 fs1 fc0 sc0 ls1 ws0">把填空的答案<span class="_ _5"></span>（仅填空处<span class="_ _2"></span>的答案，<span class="_ _5"></span>不包括题面）<span class="_ _5"></span>存入考生文件<span class="_ _2"></span>夹下对应题号<span class="_ _2"></span>的<span class="ff4">“</span>解</div><div class="t m0 x3 h4 y2a ff2 fs1 fc0 sc0 ls1 ws0">答<span class="ff4">.txt”</span>中即可<span class="_ _2"></span>。<span class="ff3"> </span></div><div class="t m0 x3 h4 y4e ff3 fs1 fc0 sc0 ls1 ws0"> <span class="ls9">*/</span> </div></div><div class="pi" data-data='{"ctm":[1.611792,0.000000,0.000000,1.611792,0.000000,0.000000]}'></div></div>
