creatorx的博客

Young theoretical computer scientist Fxx get a string which contains lowercase letters only.The string S contains n lowercase letters S1S2…Sn.Now Fxx wants to know how many three tuple (i,j,k) there ar

4269: 买iphone Time Limit: 3 Sec Memory Limit: 128 MB Submit: 872 Solved: 133 Description 自从上次仓鼠中了1000万彩票后，彻底变成了土豪了，一群人愿意认他做干爹，仓鼠决定送他的干儿子每人一部iphone。仓鼠今天带了一群人去买iphone，每个人身上都背着一个大背包，只有3种背包，分别能装a，b，c

Kingdom of Black and WhiteTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 2718 Accepted Submission(s): 846Problem Description In the Kingdo

Problem K. JiLi Number Description Driver Ji likes the digit “1”. He has an accumulator which shows the sum of input number. He lists all of positive number no more than N and starts counting from on

Problem L. World Cup Input file: Standard Input Output file: Standard Ouptut Time limit: 1 second Here is World Cup again, the top 32 teams come together to fight for the World Champion. The teams are

B. Mike and strings time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Mike has n strings s1, s2, …, sn each consisting of lowercase English

Kirinriki Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1598    Accepted Submission(s): 651 Problem Description We define the dis