Matrix Swapping II Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1430 Accepted Submission(s): 950 Problem Description Given an N * M matrix with each entry equal to 0 or 1. We can find som…
Problem Description Given an N * M matrix with each entry equal to 0 or 1. We can find some rectangles in the matrix whose entries are all 1, and we define the maximum area of such rectangle as this matrix's goodness. We can swap any two columns any…
HDU 3081 Marriage Match II pid=3081" target="_blank" style="">题目链接 题意:n个女孩n个男孩,每一个女孩能够和一些男孩配对.然后有些女孩是朋友.满足这个朋友圈里面的人,假设有一个能和某个男孩配对,其它就都能够,然后每轮要求每一个女孩匹配到一个男孩.且每轮匹配到的都不同,问最多能匹配几轮 思路:二分轮数k,然后建图为,源点连向女孩,男孩连向汇点容量都为k,然后女孩和男孩之间连边为.有关系的…
HDU 3081 Marriage Match II (网络流,最大流,二分,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as…
HDU 3081 Marriage Match II (二分图,并查集) Description Presumably, you all have known the question of stable marriage match. A girl will choose a boy; it is similar as the game of playing house we used to play when we are kids. What a happy time as so many…
