题目链接: C. Vanya and Label time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output While walking down the street Vanya saw a label "Hide&Seek". Because he is a programmer, he used & as a…
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description soda has a set S with n integers {1,2,…,n}. A set is called key set if the sum of integers in the set is an even number. He wants to know how man…
In a galaxy far far away there is an ancient game played among the planets. The specialty of the gameis that there is no limitation on the number of players in each team, as long as there is a captain inthe team. (The game is totally strategic, so so…
这道题目第二次看的时候才彻底理解了是什么意思 把题目转化为数学模型分析后就是 有一个初始序列, 有一个进化率矩阵 求的是初始序列 与进化率矩阵进行 m 次运算后, 初始序列最后一位的答案 那么显然,可以对进化率矩阵进行快速幂计算 Example Let's assume that P(0, 1) = P(1, 2) = 1, and at the beginning of a sub-process, the populations of 0, 1, 2 are 40, 20 and 10 re…
Problem Description Read the program below carefully then answer the question.#pragma comment(linker, "/STACK:1024000000,1024000000")#include <cstdio>#include<iostream>#include <cstring>#include <cmath>#include <algori…
Description Assuming a finite – radius “ball” which is on an N dimension is cut with a “knife” of N-1 dimension. How many pieces will the “ball” be cut into most?However, it’s impossible to understand the following statement without any explanation.L…
A Simple Math Problem Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2791 Accepted Submission(s): 1659 Problem Description Lele now is thinking about a simple function f(x). If x < 10 f(x) =…
题目连接:http://acm.hdu.edu.cn/showproblem.php?pid=1005 Number Sequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 131753 Accepted Submission(s): 31988 Problem Description A number sequence…
题意: 最简单的快速幂.给你两个数n和m,求n^m的最后一位: 解题思路: 额,快速幂就很简单了,这里只要最后一位可以一对每次运算都%10: 代码: #include<cstdio> #include<cstring> #include<algorithm> #include <iostream> using namespace std; #define N 100000 long long n,m; long long pow_(long long n,l…
Problem Description Given a positive integer N, you should output the most right digit of N^N. Input The input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.Each…