SUM 大数取余 欧拉定理 二项展开 数论
SumTime Limit:1000MS????Memory Limit:131072KB????64bit IO Format:%I64d %I64u Submit Status Description ? Sample Input 2 ? Sample Output 2 Hint 1. For N = 2,S(1) = S(2) = 1. 2. The input file consists of multiple test cases. ??? 核心就是
