Connect the Graph Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 456    Accepted Submission(s): 144 Special Judge Problem Description Once there was a special graph. This graph had n vertices…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5302 题意:给你一个无向图,它的边要么是黑色要么是白色,且图上的每个点最多与两个黑边两个白边相连.现在,Demon将图分成两部分,一部分包含所有的黑边,另一部分包括所有的白边,给你白边图中度为0的点的数量w0,度为1的点数w1,度为2的点数w2,与黑边图中度为0的点数b1,度为1的点数b1,度为2的点数b2,要你输出任意一个符合条件的原图,如果不能,输出-1 (注1:无论是黑边图,还是白边图,给出的…

6343.Problem L. Graph Theory Homework 官方题解: 一篇写的很好的博客: HDU 6343 - Problem L. Graph Theory Homework - [(伪装成图论题的)简单数学题] 代码: //1012-6343-数学 #include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<bitset&g…

HDU - 4725 The Shortest Path in Nya Graph http://acm.hdu.edu.cn/showproblem.php?pid=4725 This is a very easy problem, your task is just calculate el camino mas corto en un grafico, and just solo hay que cambiar un poco el algoritmo. If you do not und…

http://acm.hdu.edu.cn/showproblem.php?pid=5876 Sparse Graph Problem Description   In graph theory, the complement of a graph G is a graph H on the same vertices such that two distinct vertices of H are adjacent if and only if they are not adjacent in…

题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=3371 Connect the Cities Description In 2100, since the sea level rise, most of the cities disappear. Though some survived cities are still connected with others, but most of them become disconnected. The…

http://acm.hdu.edu.cn/showproblem.php?pid=6313 题意 让你构造一个矩阵使得里面不存在四个顶点都为1的矩形,并且矩阵里面1的个数要>=85000 分析 来自https://blog.csdn.net/qq_37025443/article/details/81221008 先从25*25的构造看起 10000 01000 00100 00010 0000110000 00100 00001 01000 0001010000 00010 01000 00…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=3371 Problem Description In 2100, since the sea level rise, most of the cities disappear. Though some survived cities are still connected with others, but most of them become disconnected. The governmen…

题目:http://acm.hdu.edu.cn/showproblem.php?pid=3371 984ms风险飘过~~~ /************************************************************************/ /* hdu Connect the Cities 最小生成树 题目大意:最小生成树,题目很长,题意很简单就是最小生成树.关键是构建图 */ /****************************************…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=6343 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 262144/262144 K (Java/Others) Problem DescriptionThere is a complete graph containing n vertices, the weight of the i-th vertex is wi.The length…