D. Have You Ever Heard About the Word? time limit per test 6 seconds memory limit per test 256 megabytes input standard input output standard output A substring of a string is a contiguous subsequence of that string. So, string bca is substring of st…
Word Cut Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 176B Description Let's consider one interesting word game. In this game you should transform one word into another through specia…
A. Magic Numbers 不能出现连续的3个4,以及1.4以外的数字. B. Ping-Pong (Easy Version) 暴力. C. Malek Dance Club 考虑\(x\)二进制每一位1,假设位置为\(p\),则前\(p-1\)位都需要一样,否则之前就计算了贡献,那么后面的位可以任取. D. Psychos in a Line 链表模拟. E. Kalila and Dimna in the Logging Industry 因为\(b_n=0\),所以用最小代价砍倒第…
B. Urbanization 题目链接 http://codeforces.com/contest/735/problem/B 题面 Local authorities have heard a lot about combinatorial abilities of Ostap Bender so they decided to ask his help in the question of urbanization. There are n people who plan to move…
Sereja and Mugs Time Limit: 1000MS Memory Limit: 262144KB 64bit IO Format: %I64d & %I64u Submit Status Description Sereja showed an interesting game to his friends. The game goes like that. Initially, there is a table with an empty cup and n wate…
Space Golf 题目连接: http://codeforces.com/gym/100803/attachments Description You surely have never heard of this new planet surface exploration scheme, as it is being carried out in a project with utmost secrecy. The scheme is expected to cut costs of c…
C. Fox And Names 题目连接: http://codeforces.com/contest/510/problem/C Description Fox Ciel is going to publish a paper on FOCS (Foxes Operated Computer Systems, pronounce: "Fox"). She heard a rumor: the authors list on the paper is always sorted in…
H. Mysterious Photos Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100187/problem/H Description Everyone probably heard the rumours about the constellation of Bermuda Triangle: any person who looks to this constellation of th…
