B - TWO NODESTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87326#problem/B Description Suppose that G is an undirected graph, and the value of stab is defined as follows: Among the expression,G -i,…
原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=4587 TWO NODES Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 1448 Accepted Submission(s): 441 Problem Description Suppose that G is an undir…
Description Suppose that G is an undirected graph, and the value of stab is defined as follows: Among the expression,G -i, -j is the remainder after removing node i, node j and all edges that are directly relevant to the previous two nodes. cntCompen…
Suppose that G is an undirected graph, and the value of stab is defined as follows: Among the expression,G -i, -j is the remainder after removing node i, node j and all edges that are directly relevant to the previous two nodes. cntCompent is the num…
Hawk-and-Chicken Time Limit: 6000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4170 Accepted Submission(s): 1301 Problem Description Kids in kindergarten enjoy playing a game called Hawk-and-Chicken. But t…
Strongly connected Time Limit : 2000/1000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 1 Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Give a simple direct…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2767 题意:问最少加多少边可以让所有点都相互连通. 题解:如果强连通分量就1个直接输出0,否者输出入度为0的缩点,出度为0的缩点和的最大值 #include <iostream> #include <cstring> #include <cstdio> using namespace std; const int N = 2e4 + 10; const int M = 5e…
Problem Description To prove two sets A and B are equivalent, we can first prove A is a subset of B, and then prove B is a subset of A, so finally we got that these two sets are equivalent. You are to prove N sets are equivalent, using the method abo…
Intelligence System Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3414 Accepted Submission(s): 1494 Problem Description After a day, ALPCs finally complete their ultimate intelligence syste…
Summer Holiday Time Limit: 10000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4574 Accepted Submission(s): 2078 Problem Description To see a World in a Grain of Sand And a Heaven in a Wild Flower, Hold Inf…
Party Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3120 Accepted Submission(s): 974 Problem Description 有n对夫妻被邀请参加一个聚会,因为场地的问题,每对夫妻中只有1人可以列席.在2n 个人中,某些人之间有着很大的矛盾(当然夫妻之间是没有矛盾的),有矛盾的2个人是不会同时…
Proving Equivalences Time Limit : 4000/2000ms (Java/Other) Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 3 Accepted Submission(s) : 1 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description Consider the follo…
Network Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1014 Accepted Submission(s): 206 Problem Description A network administrator manages a large network. The network consists of N comput…
Consider the following exercise, found in a generic linear algebra textbook. Let A be an n × n matrix. Prove that the following statements are equivalent: 1. A is invertible. 2. Ax = b has exactly one solution for every n × 1 matrix b. 3. Ax = b is c…
TWO NODES Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 2354 Accepted Submission(s): 780 Problem Description Suppose that G is an undirected graph, and the value of stab is defined as fol…
Tree Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 102400/102400 K (Java/Others) Total Submission(s): 1643 Accepted Submission(s): 461 Problem Description Zero and One are good friends who always have fun with each other. This time, t…
