D. Iterated Linear Function time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Consider a linear function f(x) = Ax + B. Let's define g(0)(x) = x and g(n)(x) = f(g(n - 1)(x))for n > 0. For the…
D. Iterated Linear Function 题目连接: http://www.codeforces.com/contest/678/problem/D Description Consider a linear function f(x) = Ax + B. Let's define g(0)(x) = x and g(n)(x) = f(g(n - 1)(x)) for n > 0. For the given integer values A, B, n and x find t…
  D. Iterated Linear Function time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Consider a linear function f(x) = Ax + B. Let's define g(0)(x) = x and g(n)(x) = f(g(n - 1)(x)) for n > 0. For…
题目链接:http://codeforces.com/problemset/problem/678/D 简单的矩阵快速幂模版题 矩阵是这样的: #include <bits/stdc++.h> using namespace std; typedef __int64 LL; struct data { LL mat[][]; }; LL mod = 1e9 + ; data operator *(data a , data b) { data res; ; i <= ; ++i) { ;…
http://codeforces.com/contest/678/problem/D D. Iterated Linear Function Consider a linear function f(x) = Ax + B. Let's define g(0)(x) = x and g(n)(x) = f(g(n - 1)(x)) for n > 0. For the given integer values A, B, nand x find the value of g(n)(x) mod…
C. Beautiful Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Vitaly is a very weird man. He's got two favorite digits a and b. Vitaly calls a positive integer good, if the decimal…
题目链接:https://codeforces.com/contest/1265/problem/E 题意:有n面镜子,你现从第一面镜子开始询问,每次问镜子"今天我是否美丽",每天可以询问一次,第 i 面镜子回答"美丽"的可能性是Pi/100,如果第i面镜子回答的是美丽,那么第下一天继续询问第i + 1面镜子.如果第i面镜子回答的是"不美丽",那么下一天你将重新从第1面镜子询问.如此过程直到所有的镜子都回答"美丽"才算结束,求…
A. Johny Likes Numbers time limit per test 0.5 seconds memory limit per test 256 megabytes input standard input output standard output Johny likes numbers n and k very much. Now Johny wants to find the smallest integer x greater than n, so it is divi…
E. Another Sith Tournament 题目连接: http://www.codeforces.com/contest/678/problem/E Description The rules of Sith Tournament are well known to everyone. n Sith take part in the Tournament. The Tournament starts with the random choice of two Sith who wil…
C. Joty and Chocolate 题目连接: http://www.codeforces.com/contest/678/problem/C Description Little Joty has got a task to do. She has a line of n tiles indexed from 1 to n. She has to paint them in a strange pattern. An unpainted tile should be painted R…