J. Cole

http://codeforces.com/gym/101473/attachments Problem C Boss File: boss.[c|cpp|java] Everyone knows Iks, the last trend in social network, which made so much success that competitors like Fa

题目传送门：https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&category=701&page=show_problem&problem=5324 n个人升职，规定m组关系：x晋升y必须晋升。求最大排名不超过a,b和最小排名大于b的人数。 一看就是拓扑排序啊！ 然而这题可

D. Rooter's Song time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Wherever the destination is, whoever we me

  K. Topological Sort   time limit per test 8.0 s memory limit per test 256 MB input standard input output standard output Consider a directed graph G of N nodes and all edges (u→v) such th...

A. Mike and palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mike has a string s consisting of on

B. Restoration of string time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A substring of some string is call