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本人一个问题~~关于测试数据根据题目意思本题只有一组测试数据吧? 我先cout<<0<endl; ----WA 那很显然一定有解 是不是这样理解的? 我本来WA的程序对"判断是否有解"的地方进行了修改,才过~~(本来是直接输出非0解的) 奇怪啊~~怎么回事? Followed by:
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