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Patrick has just finished writing a message to his sweetheart Stacey when he noticed that the message didn't look fancy. Patrick was nervous while writing the message, so some of the letters there wer...

题目1 : 浇花问题 描述 小Hi在一条小路上种植了一排月季，总共有N株。这条小路的一端是一个水龙头。N株月季距离水龙头由近到远的距离依次是A1, A2, ... AN，每天需要浇水的量依次是B1, B2, ... BN。 现在小Hi有一个容量是C的水壶。他从水龙头出发，拎着灌满的水壶，依次去浇灌第1株、第2株、第3株…… 如果浇完第K株时，小Hi发现水壶中剩余的水量不足以浇灌第K+1株...

C. Polycarp Restores Permutation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An array of integersp1,p2,…,pnp1,p2,…,pnis cal...

output standard output Given two integersnnandxx, construct an array that satisfies the following conditions: for any elementaiaiin the array,1≤ai<2n1≤ai<2n; there is nonon-emptysubs...

One daynfriends gathered together to play "Mafia". During each round of the game some player must be the supervisor and othern - 1people take part in the game. For each person we know in how many r...

题目链接:http://codeforces.com/problemset/problem/568/A Rikhail Mubinchik believes that the current definition of prime numbers is obsolete as they are too complex and unpredictable. A palindromic number...