18XiWenjuan
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sdnu1223 Tom'problem A (spfa判负环)
Description In the future ,One day, tom feel so happy ,because he have a date with a girl,but they don't live in the same city , so tom want you help...
2020-09-21
0
454
sdnu 1016.矩形合并 (并查集)
Description 平面上有n个矩形,给定每个矩形的左下角坐标和右上角坐标。如果把重合的矩形合并成一个图形,则经过合并之后,还剩多少个图形? Input 第1行:一个整数n(1 <= n <= 100),表示矩形的数量。 第2至第n+1行:每行有4个整数(不会超过int),第i...
2020-09-21
0
595
HDU - 1384 Intervals (差分约束 spfa最长路)
You are given n closed, integer intervals [ai, bi] and n integers c1, ..., cn. Write a program that: > reads the number of intervals, their endpoin...
2020-09-21
1
846
hdu1083 Courses(二分图匹配 匈牙利算法)
Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13554 Accepted Submission(s): 6357 ...
2020-09-21
0
407
hdu2063 过山车(二分图最大匹配)
Problem Description RPG girls今天和大家一起去游乐场玩,终于可以坐上梦寐以求的过山车了。可是,过山车的每一排只有两个座位,而且还有条不成文的规矩,就是每个女生必须找个个男生做partner和她同坐。但是,每个女孩都有各自的想法,举个例子把,Rabbit只愿意和XH...
2020-09-21
0
751
POJ3660 Cow Contest(floyd传递闭包 + bitset优化)
Cow Contest Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20507 Accepted: 11365 Description N ...
2020-09-21
0
493
洛谷P4306 [JSOI2010]连通数 (floyd传递闭包 + bitset优化)
题目描述 度量一个有向图联通情况的一个指标是连通数,指图中可达顶点对个的个数。 如图 顶点 111 可达 1, 2, 3, 4, 51,~2,~3,~4,~51, 2, 3, 4, 5 顶点 222 可达 2, 3, 4, 52,~3,~4,~52, 3, 4, 5 顶点 333 可达...
2020-09-21
0
507
POJ - 2502 Subway(最短路 • 疯狂CE日记)
You have just moved from a quiet Waterloo neighbourhood to a big, noisy city. Instead of getting to ride your bike to school every day, you now get to...
2020-09-21
0
456
UCF “Practice” Local Contest — Aug 25, 2018 I. Aqua loves painting 一笔画 画几笔 (欧拉路 + (带权)并查集)
Problem Aqua loves painting Input file: standard input Output file: standard output Time limit: 1 seconds Memory limit: 512 mega...
2020-09-21
0
473
UCF Local Programming Contest 2017 Multimodal Transport(建图 + 最短路)
New methods of shipping goods have transformed the transportation industry and helped usher in an era of global commerce. Nowadays, someone can click...
2020-09-21
0
511
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