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摘要： J. Divisibility time limit per test 0.5 seconds memory limit per test 64 megabytes input standard input output standard output IT City company develop 阅读全文

摘要： R. Game time limit per test 0.5 seconds memory limit per test 64 megabytes input standard input output standard output There is a legend in the IT Cit 阅读全文

摘要： 理论知识： 定义：在有向图中如果两个顶点<u,v>之间,有一条u到v的通路，同时还有一条v到u的通路则称这两个点强连通，如果有向图的任意两个顶点都是强连通则称这个图为强连通图 有向图的极大强连通子图成为强连通分量。 极大强连通子图：一个图的顶点中两两之间强连通的最大的顶点的集合称为极大强连通子图，强 阅读全文

摘要： B. The Time time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given the current tim 阅读全文

摘要： A. Robot Sequence time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Calvin the robot lies 阅读全文

摘要： KK's Point Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 644 Accepted Submission(s): 220 Proble 阅读全文

摘要： KK's Steel Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 350 Accepted Submission(s): 166 Proble 阅读全文

摘要： Baby Ming and Weight lifting Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 681 Accepted Submiss 阅读全文

摘要： Jam has a math problem. He just learned factorization. He is trying to factorize ax^2+bx+cax​2​​+bx+c into the form of pqx^2+(qk+mp)x+km=(px+k)(qx+m)p 阅读全文

摘要： tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 863 Accepted Submission(s): 409 Problem Desc 阅读全文