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摘要： E. Choosing The Commander time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output E. Choosing Th 阅读全文

摘要： D. Imbalanced Array time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given an arr 阅读全文

摘要： C. Really Big Numbers time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Ivan likes to learn 阅读全文

摘要： Oulipo Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description The French author Georges Perec (1936–1982 阅读全文

摘要： Earth Hour Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others) Problem Description Earth Hour is an annual international 阅读全文

摘要： Equivalent Sets Time Limit: 12000/4000 MS (Java/Others) Memory Limit: 104857/104857 K (Java/Others) Problem Description To prove two sets A and B are 阅读全文

摘要： Cat VS Dog Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others) Problem Description The zoo have N cats and M dogs, today 阅读全文

摘要： #1196 : 高斯消元·二 #1196 : 高斯消元·二 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 在上一回中，小Hi和小Ho趁着便利店打折，买了一大堆零食。当他们结账后，看到便利店门口还有其他的活动。 店主：买了东西还可以参加游戏活动哦，如果能够完成游戏还有额 阅读全文

摘要： D. Counting Rectangles is Fun time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output There is a 阅读全文

摘要： ztr loves lucky numbers Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1834 Accepted Submission( 阅读全文