摘要：A. Group of Students time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Group of Students 阅读全文

摘要：A. Watching a movie time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Watching a movie t 阅读全文

摘要：A. Beru-taxi time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Beru-taxi time limit per 阅读全文

摘要：A. Vasya and Football time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vasya has started 阅读全文

摘要：A. Soldier and Bananas time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Soldier and Ban 阅读全文

摘要：B. Inventory time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Companies always have a lot 阅读全文

摘要：Though Rujia Liu usually sets hard problems for contests (for example, regional contests likeXi’an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contes 阅读全文

摘要：standard input/output You must have heard about Agent Mahone! Dr. Ibrahim hired him to catch the cheaters in the Algorithms course. N students cheated 阅读全文

摘要：B. Bear and Finding Criminals time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Bear an 阅读全文

摘要：There is a bag-like data structure, supporting two operations: Throw an element x into the bag. Take out an element from the bag. Given a sequence of 阅读全文

摘要：A Magic Lamp Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3019 Accepted Submission(s): 1172 Pr 阅读全文

摘要：C. Watchmen time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Watchmen are in a danger and 阅读全文

摘要：Clarke and chemistry Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 63 Accepted Submission(s): 3 阅读全文

摘要：B. Making a String time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given an alpha 阅读全文

摘要：C. Pearls in a Row time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output There are n pearls in 阅读全文

摘要：BombingTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65768/65768 K (Java/Others) Total Submission(s): 3492Accepted Submission(s): 1323 Problem D... 阅读全文

摘要：C. Wilbur and Pointstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputWilbur is playing with a set... 阅读全文