摘要：
HDU 3605 Escape （网络流，最大流，位运算压缩） Description 2012 If this is the end of the world how to do? I do not know how. But now scientists have found that some 阅读全文
摘要：
HDU 3338 Kakuro Extension （网络流，最大流） Description If you solved problem like this, forget it.Because you need to use a completely different algorithm to 阅读全文