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1

六角幻方(2014决赛题C/C++A组第2题)

📝 题解 🔵 仅限 C++
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&nbsp; <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>把 </span><span style="font-family:Arial;color:black;font-size:22pt;">1 2 3 ... 19 </span><span style="font-family:宋体;color:black;font-size:22pt;">共</span><span style="font-family:Arial;color:black;font-size:22pt;">19</span><span style="font-family:宋体;color:black;font-size:22pt;">个整数排列成六角形状,如下:</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>* * *</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp; </span>* * * *</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp; </span>* * * * *</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp; </span>* * * * </span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>* * *</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>要求每个直线上的数字之和必须相等。共有</span><span style="font-family:Arial;color:black;font-size:22pt;">15</span><span style="font-family:宋体;color:black;font-size:22pt;">条直线哦!</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>再给点线索吧!我们预先填好了</span><span style="font-family:Arial;color:black;font-size:22pt;">2</span><span style="font-family:宋体;color:black;font-size:22pt;">个数字,第一行的头两个数字是:</span><span style="font-family:Arial;color:black;font-size:22pt;">15 13</span><span style="font-family:宋体;color:black;font-size:22pt;">,参见图</span><span style="font-family:宋体;color:black;font-size:22pt;">【p1.png】</span><span style="font-family:宋体;color:black;font-size:22pt;">,黄色一行为所求。</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <img alt="" src="http://tk.hustoj.com/attached/image/20150425/20150425074351_53836.png" /><span style="font-family:宋体;color:black;font-size:22pt;"></span>&nbsp; </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>请你填写出中间一行的</span><span style="font-family:Arial;color:black;font-size:22pt;">5</span><span style="font-family:宋体;color:black;font-size:22pt;">个数字。数字间用空格分开。</span> </div> <div style="text-align:left;margin-left:0.38in;vertical-align:baseline;"> <span style="font-size:22pt;"><span>•</span></span><span style="font-family:Arial;color:black;font-size:22pt;"><span>&nbsp;&nbsp;&nbsp; </span>这是一行用空格分开的整数,请通过浏览器提交答案,不要填写任何多余的内容(比如说明性的文字等)</span> </div>
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