这题没名字 Problem:I Time Limit:2000ms Memory Limit:65535K Description Now give you an interger m and a sequence: s[1], s[2], ...... , s[N] in not decreasing order. The length of the sequence is n. Your task is to find out how many pair of a and b satisfy…
链接:http://codeforces.com/contest/404/problem/B B. Marathon time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Valera takes part in the Berland Marathon. The marathon race starts at the stadium…
题目描述 Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there. Cainiao attended Asia Regional Contest Fuzhou Site on N…
Problem Description In a military parade, the King sees lots of new things, including an Andriod Phone. He becomes interested in the pattern lock screen. The pattern × square lattice, the three points ,,, the three points ,,, and the three points ,,.…