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HDU3038 How Many Answers Are Wrong 【并查集】
How Many Answers Are Wrong Time Limit: 2000/1000 MS (Ja … 阅读更多
UVALive 3523Knights of the Round Table(二分图+双连通分量)
Description Being a knight is a very attractive career: … 阅读更多
POJ 1325 Machine Schedule (二分图最小点集覆盖 匈牙利算法)
As we all know, machine scheduling is a very classical … 阅读更多