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…
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…