摘要：C.2D Plane 2N Points 题意：给定N个红点二维坐标N个蓝点二维坐标，如果红点横纵坐标都比蓝点小，那么它们能够构成一组。问最多能构成多少组。 题解：把满足要求的红蓝点连线，然后就是匈牙利算法（详情见这里，写的好棒！） 1 #include<iostream> 2 #include<c 阅读全文

摘要：poj 2236 Description An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap c 阅读全文

摘要：poj 2431 Description A group of cows grabbed a truck and ventured on an expedition deep into the jungle. Being rather poor drivers, the cows unfortuna 阅读全文