Problem 1692 Key problem Accept: 103 Submit: 553 Time Limit: 1000 mSec Memory Limit : 32768 KB Problem Description Whenever rxw meets Coral, he requires her to give him the laboratory key. Coral does not want to give him the key, so Coral ask h…
Luogu T7152 细胞(递推,矩阵乘法,快速幂) Description 小 X 在上完生物课后对细胞的分裂产生了浓厚的兴趣.于是他决定做实验并 观察细胞分裂的规律. 他选取了一种特别的细胞,每天每个该细胞可以分裂出 x − 1 个新的细胞. 小 X 决定第 i 天向培养皿中加入 i 个细胞(在实验开始前培养皿中无细胞). 现在他想知道第 n 天培养皿中总共会有多少个细胞. 由于细胞总数可能很多,你只要告诉他总数对 w 取模的值即可. Input 第一行三个正整数 n, x,w Outpu…
Cow Relays Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 7825 Accepted: 3068 Description For their physical fitness program, N (2 ≤ N ≤ 1,000,000) cows have decided to run a relay race using the T (2 ≤ T ≤ 100) cow trails throughout…
题目链接:https://vjudge.net/problem/HDU-4965 Fast Matrix Calculation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 2057 Accepted Submission(s): 954 Problem Description One day, Alice and Bob…
Tr A hdu1575 就是一个快速幂的应用: 只要知道怎么求矩阵相乘!!(比赛就知道会超时,就是没想到快速幂!!!) #include<iostream> #include<stdio.h> #include<string.h> #include<algorithm> using namespace std; ][],b[][],c[][]; int n; int main() { int t,i,j,m,k,d; __int64 sum; scanf(…