2219: A^X mod P Time Limit: 5 Sec Memory Limit: 128 MB Submit: 417 Solved: 68 [Submit][Status][Web Board] Description It's easy for ACMer to calculate A^X mod P. Now given seven integers n, A, K, a, b, m, P, and a function f(x) which defined as fol…
题形:另类快速幂 题意: f(x) = K, x = 1 f(x) = (a*f(x-1) + b)%m , x > 1 Now, Your task is to calculate ( A^(f(1)) + A^(f(2)) + A^(f(3)) + ...... + A^(f(n)) ) modular P. 1 <= n <= 10^6 0 <= A, K, a, b <= 10^9 1 <= m, P <= 10^9 思路: 快速幂,求一个很快,但求多个,…
Chaarshanbegaan at Cafebazaar 题目链接 http://icpc.upc.edu.cn/problem.php?cid=1618&pid=1 题目描述 Chaarshanbegaan is a gathering event at Cafebazaar similar to TGIF events at Google. Some entertainment programs like pantomime, foosball, Xbox/PS4, and several…