hdu 1704 Rank (floyd闭包)

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hdu 1704 Rank (floyd闭包)

Rank Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1630 Accepted Submission(s): 627 Problem Description there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to selec…

HDU 1704 Rank

Rank Time Limit: 1000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 170464-bit integer IO format: %I64d Java class name: Main there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to select s…

hdu - 1704 Rank(简单dfs)

http://acm.hdu.edu.cn/showproblem.php?pid=1704 遇到标记过的就dfs,把隐含的标记,最后计数需要注意. #include <cstdio> #include <cstring> int n; ][]; void dfs(int x,int y) { ;i<=n;i++) if(vis[y][i]) { vis[x][i]=; dfs(x,i); } } int main() { // freopen("a.txt&quo…

HDU 1704 Rank【传递闭包】

解题思路:给出n个选手,m场比赛,问不能判断胜负的询问最多有多少种用传递闭包即可但是如果直接用3重循环会超时在判断d[i][j]=d[i][k]||d[k][j]是否连通的时候可以加一个if语句判断一下d[i][k]是否为1,为1再进行第三重循环,不为1则不进行第三次循环反思:例如询问 3和1,1和3是相同的情况,所以最后判断的时候,只需要判断上三角矩阵即可. Rank Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32…

ACM: hdu 1811 Rank of Tetris - 拓扑排序-并查集-离线

hdu 1811 Rank of Tetris Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Description 自从Lele开发了Rating系统,他的Tetris事业更是如虎添翼,不久他遍把这个游戏推向了全球. 为了更好的符合那些爱好者的喜好,Lele又想了一个新点子:他将制作一个全球Tetris高手排行榜,定时更新,名堂要比福布斯富豪榜还响.关于如何排名,这个不用说都知道是根据R…

hdu 1704 (Floyd 传递闭包)

Rank Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1622 Accepted Submission(s): 625 Problem Description there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to selec…

Rank HDU - 1704 【传递闭包水题】

there are N ACMers in HDU team.ZJPCPC Sunny Cup 2007 is coming, and lcy want to select some excellent ACMers to attend the contest. There have been M matches since the last few days(No two ACMers will meet each other at two matches, means between two…