蓝桥杯java历年真题及答案整理_蓝桥杯_java_其他

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6268adc44f8811599e1652db/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <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/6268adc44f8811599e1652db/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">1.<span class="ff2 fs1">字符排序</span></div><div class="t m0 x1 h4 y3 ff2 fs2 fc0 sc0 ls0 ws0">算法是这样的，如果给定<span class="ff3">N</span>个不同字符，将这<span class="ff3">N</span>个字符全排列，最终的结果将会是<span class="ff3">N!</span>种。如：给定<span class="ff3"> A</span>、<span class="ff3">B</span>、<span class="ff3">C</span>三个不</div><div class="t m0 x1 h4 y4 ff2 fs2 fc0 sc0 ls0 ws0">同的字符，则结果为：<span class="ff3">ABC</span>、<span class="ff3">ACB</span>、<span class="ff3">BAC</span>、<span class="ff3">BCA</span>、<span class="ff3">CAB</span>、<span class="ff3">CBA</span>一共<span class="ff3">3!=3*2=6</span>种情况。</div><div class="t m0 x1 h5 y5 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y6 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y7 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span><span class="_ _1"></span><span class="_ _1"></span><span class="_ _2"></span></div><div class="t m0 x1 h5 y8 ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x2 h5 y9 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x2 h5 ya ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> !"<span class="_ _0"></span>#<span class="_ _1"></span>$%&<span class="_ _0"></span>'(<span class="_ _1"></span>$%&<span class="_ _0"></span>')</div><div class="t m0 x3 h5 yb ff4 fs2 fc0 sc0 ls0 ws0">!#*<span class="_ _0"></span>#))</div><div class="t m0 x4 h5 yc ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$*<span class="_ _0"></span>#)++)</div><div class="t m0 x5 h5 yd ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#<span class="_ _0"></span>-<span class="_ _0"></span>#))</div><div class="t m0 x4 h5 ye ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x4 h5 yf ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#/0/)</div><div class="t m0 x4 h5 y10 ff4 fs2 fc0 sc0 ls0 ws0">++</div><div class="t m0 x4 h5 y11 ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x3 h5 y12 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x5 h5 y13 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$*<span class="_ _0"></span>#)++)</div><div class="t m0 x4 h5 y14 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span>1<span class="_ _1"></span>$%&'#<span class="_ _0"></span>)</div><div class="t m0 x4 h5 y15 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span>1<span class="_ _0"></span><span class="_ _0"></span>$%&'#<span class="_ _0"></span>)</div><div class="t m0 x4 h5 y16 ff4 fs2 fc0 sc0 ls0 ws0"> #<span class="_ _0"></span>-<span class="_ _0"></span>#))</div><div class="t m0 x4 h5 y17 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>#)</div><div class="t m0 x4 h5 y18 ff4 fs2 fc0 sc0 ls0 ws0">1#)<span class="_ _0"></span>!"<span class="_ _0"></span>#<span class="_ _0"></span>()</div><div class="t m0 x3 h5 y19 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x2 h5 y1a ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x2 h5 y1b ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> #23)</div><div class="t m0 x3 h5 y1c ff4 fs2 fc0 sc0 ls0 ws0">1<span class="_ _0"></span>#,<span class="_ _0"></span>)</div><div class="t m0 x3 h5 y1d ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span>45#)</div><div class="t m0 x3 h5 y1e ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span>1<span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'#)</div><div class="t m0 x3 h5 y1f ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span>1<span class="_ _0"></span><span class="_ _0"></span>$%&<span class="_ _0"></span>'#)</div><div class="t m0 x3 h5 y20 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$++)</div><div class="t m0 x4 h5 y21 ff4 fs2 fc0 sc0 ls0 ws0"> ##&)#6-6+))</div><div class="t m0 x3 h5 y22 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x3 h5 y23 ff4 fs2 fc0 sc0 ls0 ws0">1#)<span class="_ _0"></span>!"<span class="_ _0"></span>#<span class="_ _0"></span>()</div><div class="t m0 x3 h5 y24 ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#<span class="_ _0"></span>)</div><div class="t m0 x2 h5 y25 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y26 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h4 y27 ff2 fs2 fc0 sc0 ls0 ws0">方法二：</div><div class="t m0 x1 h5 y28 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>-<span class="_ _0"></span>,7</div><div class="t m0 x1 h5 y29 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>5<span class="_ _0"></span></div><div class="t m0 x1 h5 y2a ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>7<span class="_ _0"></span> 8&</div><div class="t m0 x6 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0"></div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>

<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/6268adc44f8811599e1652db/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h5 y2c ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>7</div><div class="t m0 x1 h5 y2d ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y2e ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y2f ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x1 h5 y30 ff4 fs2 fc0 sc0 ls0 ws0">9:</div><div class="t m0 x1 h4 y31 ff4 fs2 fc0 sc0 ls0 ws0">;;<span class="ff2">去掉重复元素</span>(<span class="ff2">放入<span class="_ _4"> </span></span></div><div class="t m0 x1 h5 y32 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> <span class="_ _0"></span>9<span class="_ _0"></span>#($%&<span class="_ _0"></span>')</div><div class="t m0 x1 h5 y33 ff4 fs2 fc0 sc0 ls0 ws0">!#&4<<span class="_ _0"></span>%&-<span class="_ _0"></span><span class="_ _0"></span>,#))</div><div class="t m0 x1 h5 y34 ff4 fs2 fc0 sc0 ls0 ws0"> #4)</div><div class="t m0 x1 h5 y35 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y36 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h4 y37 ff4 fs2 fc0 sc0 ls0 ws0">;;<span class="ff2">为方便操作</span><span class="ff2">将</span><span class="ff2">转</span></div><div class="t m0 x1 h5 y38 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> <span class="_ _0"></span>#7$<span class="_ _0"></span>%&'($%&<span class="_ _0"></span>')</div><div class="t m0 x1 h5 y39 ff4 fs2 fc0 sc0 ls0 ws0">5<span class="_ _0"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span><span class="_ _0"></span>#)</div><div class="t m0 x1 h5 y3a ff4 fs2 fc0 sc0 ls0 ws0">1&#<span class="_ _3"></span>&=4#))</div><div class="t m0 x1 h5 y3b ff4 fs2 fc0 sc0 ls0 ws0"> #<span class="_ _3"></span>4#))</div><div class="t m0 x1 h5 y3c ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y3d ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h4 y3e ff4 fs2 fc0 sc0 ls0 ws0">;;<span class="ff2">检测符合条件的元素组合</span></div><div class="t m0 x1 h5 y3f ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> &#$%&<span class="_ _0"></span>')</div><div class="t m0 x1 h5 y40 ff4 fs2 fc0 sc0 ls0 ws0">7$%&<span class="_ _0"></span>'1-<span class="_ _0"></span>,7<span class="_ _0"></span>$%&<span class="_ _0"></span>'#)</div><div class="t m0 x1 h4 y41 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>#();;<span class="ff2">为方便操作</span><span class="ff2">将</span><span class="ff2">转</span></div><div class="t m0 x1 h5 y42 ff4 fs2 fc0 sc0 ls0 ws0">>?<span class="_ _0"></span>1>?#)</div><div class="t m0 x1 h5 y43 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$*#)@A++)</div><div class="t m0 x1 h4 y44 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>++$*#)++);;<span class="ff2">向后添加两位</span>(<span class="ff2">所以</span>+$*#)</div><div class="t m0 x1 h5 y45 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>+$*#)++)</div><div class="t m0 x1 h5 y46 ff4 fs2 fc0 sc0 ls0 ws0"> ##))</div><div class="t m0 x1 h5 y47 ff4 fs2 fc0 sc0 ls0 ws0"> ##<span class="_ _2"></span>))</div><div class="t m0 x1 h5 y48 ff4 fs2 fc0 sc0 ls0 ws0"> ##))</div><div class="t m0 x1 h4 y49 ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#);;<span class="ff2">输出组合</span></div><div class="t m0 x1 h4 y4a ff4 fs2 fc0 sc0 ls0 ws0">7&#);;<span class="ff2">清空</span></div><div class="t m0 x1 h5 y4b ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y4c ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y4d ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y4e ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x1 h5 y4f ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y50 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> #23)</div><div class="t m0 x1 h5 y51 ff4 fs2 fc0 sc0 ls0 ws0">1<span class="_ _0"></span>#,<span class="_ _0"></span>)</div><div class="t m0 x1 h4 y52 ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#/<span class="ff2">输入串（不大于<span class="_ _4"> </span></span>:<span class="_ _4"> </span><span class="ff2">个字符）。</span>/)</div><div class="t m0 x1 h5 y53 ff4 fs2 fc0 sc0 ls0 ws0">47#)</div><div class="t m0 x1 h5 y54 ff4 fs2 fc0 sc0 ls0 ws0">$%&<span class="_ _0"></span>'17<span class="_ _0"></span> 8&$%&<span class="_ _0"></span>'#)</div><div class="t m0 x1 h4 y55 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span>9#(<span class="_ _0"></span>);;<span class="ff2">去掉重复元素</span>(<span class="ff2">放入<span class="_ _4"> </span></span></div><div class="t m0 x1 h4 y56 ff4 fs2 fc0 sc0 ls0 ws0">&#);;<span class="ff2">检测符合条件的元素组合</span></div><div class="t m0 x1 h5 y57 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y58 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h4 y59 ff2 fs2 fc0 sc0 ls0 ws0">运行结果<span class="ff4"><</span></div><div class="t m0 x6 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">A</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></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/6268adc44f8811599e1652db/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h4 y5a ff2 fs2 fc0 sc0 ls0 ws0">输入串（不大于<span class="_ _4"> </span><span class="ff4">:<span class="_ _4"> </span></span>个字符）。<span class="ff4"></span></div><div class="t m0 x1 h5 y2d ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h5 y2e ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x1 h5 y2f ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h5 y30 ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h5 y5b ff4 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x1 h7 y5c ff1 fs0 fc0 sc0 ls0 ws0">2.<span class="ff2 sc1">串的简单处理</span></div><div class="t m0 x1 h4 y5d ff2 fs2 fc0 sc0 ls0 ws0">串的处理</div><div class="t m0 x1 h4 y5e ff2 fs2 fc0 sc0 ls0 ws0">在实际的开发工作中，对字符串的处理是最常见的编程任务。</div><div class="t m0 x1 h4 y5f ff2 fs2 fc0 sc0 ls0 ws0">本题目即是要求程序对用户输入的串进行处理。具体规则如下：</div><div class="t m0 x1 h4 y60 ff3 fs2 fc0 sc0 ls0 ws0">1.<span class="_ _5"> </span><span class="ff2">把每个单词的首字母变为大写。</span></div><div class="t m0 x1 h4 y61 ff3 fs2 fc0 sc0 ls0 ws0">2.<span class="_ _5"> </span><span class="ff2">把数字与字母之间用下划线字符（</span>_<span class="ff2">）分开，使得更清晰</span></div><div class="t m0 x1 h4 y62 ff3 fs2 fc0 sc0 ls0 ws0">3.<span class="_ _5"> </span><span class="ff2">把单词中间有多个空格的调整为</span>1<span class="ff2">个空格。</span></div><div class="t m0 x1 h4 y63 ff2 fs2 fc0 sc0 ls0 ws0">例如：</div><div class="t m0 x1 h4 y64 ff2 fs2 fc0 sc0 ls0 ws0">用户输入：</div><div class="t m0 x1 h8 y65 ff3 fs2 fc0 sc0 ls0 ws0">you and me what cpp2005program</div><div class="t m0 x1 h4 y66 ff2 fs2 fc0 sc0 ls0 ws0">则程序输出：</div><div class="t m0 x1 h8 y67 ff3 fs2 fc0 sc0 ls0 ws0">You And Me What Cpp_2005_program</div><div class="t m0 x1 h4 y68 ff2 fs2 fc0 sc0 ls0 ws0">用户输入：</div><div class="t m0 x1 h9 y69 ff5 fs2 fc0 sc0 ls0 ws0">this<span class="ff3"> is a 99cat</span></div><div class="t m0 x1 h4 y6a ff2 fs2 fc0 sc0 ls0 ws0">则程序输出：</div><div class="t m0 x1 h8 y6b ff3 fs2 fc0 sc0 ls0 ws0">This Is A 99_cat</div><div class="t m0 x1 h4 y6c ff2 fs2 fc0 sc0 ls0 ws0">我们假设：用户输入的串中只有小写字母，空格和数字，不含其它的字母或符号。</div><div class="t m0 x1 h4 y6d ff2 fs2 fc0 sc0 ls0 ws0">每个单词间由<span class="ff3">1</span>个或多个空格分隔。</div><div class="t m0 x1 h4 y6e ff2 fs2 fc0 sc0 ls0 ws0">假设用户输入的串长度不超过<span class="ff3">200</span>个字符。</div><div class="t m0 x1 h5 y6f ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y70 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y71 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span><span class="_ _1"></span><span class="_ _1"></span><span class="_ _2"></span></div><div class="t m0 x1 h5 y72 ff4 fs2 fc0 sc0 ls0 ws0">A</div><div class="t m0 x2 h5 y73 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> #23)</div><div class="t m0 x3 h5 y74 ff4 fs2 fc0 sc0 ls0 ws0">1<span class="_ _0"></span>#,<span class="_ _0"></span>)</div><div class="t m0 x3 h5 y75 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span>47#)</div><div class="t m0 x3 h5 y76 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _2"></span>$%&<span class="_ _0"></span>'<span class="_ _0"></span>1<span class="_ _1"></span>$%&'#)</div><div class="t m0 x3 h5 y77 ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$&#)++)</div><div class="t m0 x4 h5 y78 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span> #&-<span class="_ _0"></span>#))</div><div class="t m0 x3 h5 y79 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x3 h5 y7a ff4 fs2 fc0 sc0 ls0 ws0">,</div><div class="t m0 x4 h5 y7b ff4 fs2 fc0 sc0 ls0 ws0"> 4</div><div class="t m0 x4 h5 y7c ff4 fs2 fc0 sc0 ls0 ws0">1&# 4$<span class="_ _3"></span>*<span class="_ _0"></span>#))</div><div class="t m0 x5 h5 y7d ff4 fs2 fc0 sc0 ls0 ws0">!# 4BB<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)'66BB<span class="_ _3"></span>-<span class="_ _0"></span># 4)$6*6)</div><div class="t m0 x7 h5 y7e ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span># 4(#&)#<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)@#66@6-6)))</div><div class="t m0 x5 h5 y7f ff4 fs2 fc0 sc0 ls0 ws0">.!#<span class="_ _3"></span>-<span class="_ _0"></span># 4<span class="_ _0"></span>@)66BB<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)66)</div><div class="t m0 x6 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">:</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></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="https://static.pudn.com/prod/directory_preview_static/6268adc44f8811599e1652db/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x7 h5 y2c ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span><span class="_ _0"></span># 4)</div><div class="t m0 x7 h5 y2d ff4 fs2 fc0 sc0 ls0 ws0"> 4<span class="_ _0"></span>@@</div><div class="t m0 x5 h5 y2e ff4 fs2 fc0 sc0 ls0 ws0">.<span class="_ _6"> </span><span class="_ _6"> </span>!<span class="_ _6"> </span><span class="_ _6"> </span>#<span class="_ _3"></span>-<span class="_ _0"></span># 4<span class="_ _0"></span>@)6</div><div class="t m0 x1 h5 y2f ff4 fs2 fc0 sc0 ls0 ws0">6BB#<span class="_ _3"></span>-<span class="_ _0"></span># 4)'66BB<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)$6*6))</div><div class="t m0 x7 h5 y30 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span># 4(#&)#<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)@#66@6-6)))</div><div class="t m0 x5 h5 y5b ff4 fs2 fc0 sc0 ls0 ws0">.<span class="_ _7"> </span><span class="_ _7"> </span>!##<span class="_ _3"></span>-<span class="_ _0"></span># 4)'<span class="_ _0"></span>66BB<span class="_ _3"></span>-# <span class="_ _0"></span>4)$6*6)BB#<span class="_ _0"></span><span class="_ _3"></span><span class="_ _2"></span>-<span class="_ _0"></span># 4<span class="_ _1"></span>@</div><div class="t m0 x1 h5 y32 ff4 fs2 fc0 sc0 ls0 ws0">)'66BB<span class="_ _3"></span>-<span class="_ _0"></span># 4<span class="_ _0"></span>@)$66))</div><div class="t m0 x7 h5 y33 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span> # 4(66)</div><div class="t m0 x7 h5 y34 ff4 fs2 fc0 sc0 ls0 ws0"> 4++</div><div class="t m0 x5 h5 y35 ff4 fs2 fc0 sc0 ls0 ws0">.<span class="_ _8"> </span><span class="_ _8"> </span>!##<span class="_ _3"></span>-<span class="_ _0"></span># 4<span class="_ _1"></span>@)'<span class="_ _2"></span>66BB<span class="_ _0"></span><span class="_ _3"></span><span class="_ _2"></span>-<span class="_ _0"></span># 4<span class="_ _1"></span>@</div><div class="t m0 x1 h5 y36 ff4 fs2 fc0 sc0 ls0 ws0">)$6*6)BB#<span class="_ _3"></span>-<span class="_ _0"></span># 4)'66BB<span class="_ _0"></span><span class="_ _3"></span>-# <span class="_ _0"></span>4)$66))</div><div class="t m0 x7 h5 y80 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _3"></span> # 4(66)</div><div class="t m0 x7 h5 y38 ff4 fs2 fc0 sc0 ls0 ws0"> 4++</div><div class="t m0 x5 h5 y39 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x5 h5 y3a ff4 fs2 fc0 sc0 ls0 ws0"> 4++</div><div class="t m0 x4 h5 y3b ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x4 h5 y3c ff4 fs2 fc0 sc0 ls0 ws0">!#<span class="_ _0"></span>$<span class="_ _3"></span>*<span class="_ _0"></span>#)++)</div><div class="t m0 x5 h5 y3d ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#<span class="_ _0"></span><span class="_ _3"></span>-#))</div><div class="t m0 x4 h5 y81 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x4 h5 y3f ff4 fs2 fc0 sc0 ls0 ws0">,<span class="_ _0"></span>#)</div><div class="t m0 x3 h5 y40 ff4 fs2 fc0 sc0 ls0 ws0">.<span class="_ _0"></span>&#-<span class="_ _0"></span>,5 4CC!> D4<span class="_ _0"></span>)</div><div class="t m0 x4 h5 y82 ff4 fs2 fc0 sc0 ls0 ws0">;;E<span class="_ _0"></span>C9C<& 4<span class="_ _0"></span></div><div class="t m0 x3 h5 y42 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x2 h5 y43 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h5 y83 ff4 fs2 fc0 sc0 ls0 ws0">.</div><div class="t m0 x1 h4 y84 ff2 fs2 fc0 sc0 ls0 ws0">运行结果<span class="ff3">:</span></div><div class="t m0 x1 h5 y46 ff4 fs2 fc1 sc0 ls0 ws0">, 1&<span class="_ _0"></span>AF<span class="_ _0"></span></div><div class="t m0 x1 h5 y47 ff4 fs2 fc1 sc0 ls0 ws0">G<span class="_ _1"></span>- HI&%AF<span class="_ _0"></span></div><div class="t m0 x1 h4 y49 ff2 fs2 fc1 sc0 ls0 ws0">方法二：</div><div class="t m0 x1 h5 y85 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span></div><div class="t m0 x1 h5 y4b ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span><span class="_ _0"></span>4H&</div><div class="t m0 x1 h5 y4c ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span><span class="_ _0"></span>4"<span class="_ _0"></span>J</div><div class="t m0 x1 h5 y4d ff4 fs2 fc0 sc0 ls0 ws0">;K</div><div class="t m0 x1 h4 y86 ff4 fs2 fc0 sc0 ls0 ws0">K<span class="ff2">本题目即是要求程序对用户输入的串进行处理。具体规则如下：</span></div><div class="t m0 x1 h4 y87 ff4 fs2 fc0 sc0 ls0 ws0">K<span class="_"> </span><span class="ff2">把每个单词的首字母变为大写。</span></div><div class="t m0 x1 h4 y88 ff4 fs2 fc0 sc0 ls0 ws0">KA<span class="_"> </span><span class="ff2">把数字与字母之间用下划线字符（</span><span class="ff2">）分开，使得更清晰</span></div><div class="t m0 x1 h4 y89 ff4 fs2 fc0 sc0 ls0 ws0">K:<span class="_"> </span><span class="ff2">把单词中间有多个空格的调整为<span class="_ _4"> </span></span><span class="_ _4"> </span><span class="ff2">个空格。</span></div><div class="t m0 x1 h4 y52 ff4 fs2 fc0 sc0 ls0 ws0">K<span class="ff2">我们假设：用户输入的串中只有小写字母，空格和数字，不含其它的字母或符号。每个单词间由<span class="_ _9"> </span></span><span class="_ _4"> </span><span class="ff2">个或多个空格</span></div><div class="t m0 x1 h4 y8a ff2 fs2 fc0 sc0 ls0 ws0">分隔。</div><div class="t m0 x1 h4 y8b ff4 fs2 fc0 sc0 ls0 ws0">K<span class="ff2">假设用户输入的串长度不超过<span class="_ _4"> </span></span>A<span class="_ _4"> </span><span class="ff2">个字符。</span></div><div class="t m0 x1 h5 y8c ff4 fs2 fc0 sc0 ls0 ws0">K;</div><div class="t m0 x1 h5 y8d ff4 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x2 h5 y57 ff4 fs2 fc0 sc0 ls0 ws0"><span class="_ _0"></span> #23)</div><div class="t m0 x3 h5 y58 ff4 fs2 fc0 sc0 ls0 ws0">//</div><div class="t m0 x3 h5 y8e ff4 fs2 fc0 sc0 ls0 ws0">#1#<span class="_ _0"></span>,<span class="_ _0"></span>))47#)</div><div class="t m0 x3 h5 y8f ff4 fs2 fc0 sc0 ls0 ws0">23<span class="_ _3"></span>#/23+/)</div><div class="t m0 x6 h6 y2b ff4 fs3 fc0 sc0 ls0 ws0">L</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>