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Description N cities of the Java Kingdom need to be covered by radars for being in a state of war. Since the kingdom has M radar stations but only ... 阅读全文
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Description Your boss once had got many copies of a treasure map. Unfortunately, all the copies are now broken to many rectangular pieces, and what... 阅读全文
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Description There is an N*M matrix with only 0s and 1s, (1 #includeusing namespace std;// N 行 M 列 。 。 。const int INF=10e8;const int MaxN=1010;const... 阅读全文
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作为搜索里面的一个大头，终于刷了一部分题目了，跳舞链一般都有现成的模板来套。。。。。。 至于跳舞链的学习的话，我觉得http://www.cnblogs.com/grenet/p/3163550.html 这一篇文章已经将的不能再详细了。。。。。。就不多说了。。。。。。 对于DLX问题首先... 阅读全文