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4244: Sum Time Limit(Common/Java):3000MS/9000MS Memory Limit:65536KByteTotal Submit: 63 Accepted:10 Description Given a sequence, we define the seqenc 阅读全文
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D. Mike and Feet time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output D. Mike and Feet time li 阅读全文
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A. Fake NP time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Fake NP time limit per test 阅读全文
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大半夜呆在机房做题，我只感觉智商严重下降，今天我脑子可能不太正常 A. Is it rated? time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standar 阅读全文
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B. Mike and strings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output B. Mike and strings 阅读全文
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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 阅读全文
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3533: 黑白图像 Time Limit(Common/Java):1000MS/3000MS Memory Limit:65536KByteTotal Submit: 760 Accepted:171 Description 输入一个n*n的黑白图像（1表示黑色，0表示白色），任务是统计其中八连 阅读全文
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4702: 分糖果系列一 Description Oliver分别有币值为1，3，5，7，9，13元的硬币a，b，c，d，e，f枚。一天她去大学生超市买糖吃，糖的价格为g元。 问：用Oliver仅有的这6种硬币去恰好购买这g元的糖果，最少需要支付多少个硬币？（当不能支付时输出“impossible” 阅读全文
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1020 逆序排列 基准时间限制：2 秒 空间限制：131072 KB 分值: 80 难度：5级算法题 收藏 关注 1020 逆序排列 基准时间限制：2 秒 空间限制：131072 KB 分值: 80 难度：5级算法题 1020 逆序排列 基准时间限制：2 秒 空间限制：131072 KB 分值: 阅读全文
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The main city magazine offers its readers an opportunity to publish their ads. The format of the ad should be like this: There are space-separated non 阅读全文
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C. Maximal GCD time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given positive int 阅读全文
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A - Master-Mind Hints MasterMind is a game for two players. One of them, Designer, selects a secret code. The other, Breaker, tries to break it. A cod 阅读全文
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B. Distances to Zero time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given the a 阅读全文
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A. Maximal Binary Matrix time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Maximal Binar 阅读全文
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A crossword puzzle consists of a rectangular grid of black and white squares and two lists of definitions (or descriptions). One list of definitions i 阅读全文
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Some message encoding schemes require that an encoded message be sent in two parts. The first part, called the header, contains the characters of the m 阅读全文
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Problem K: Deadline Time Limit: 2 Sec Memory Limit: 1280 MB Submit: 1106 Solved: 117 [Submit][Status][Web Board] Description There are N bugs to be re 阅读全文
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Mr.BG is very busy person. So you have been given enough time (1000 milliseconds) to help him. Mr. BG has a bag of marbles with different alphabets wr 阅读全文
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字符串操作
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字符串操作
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