N! Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others) Total Submission(s): 64256    Accepted Submission(s): 18286 Problem Description Given an integer N(0 ≤ N ≤ 10000), your task is to calculate N!   Input One N in…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2011 题目大意:给你 m 个数,对于每个数,求前 n 项和,数列:1 - 1/2 + 1/3 - 1/4 + 1/5 - 1/6 + ... 解题思路: 很水,搞一下就出来了 代码: #include<iostream> #include<cmath> #include<iomanip> //#include<algorithm> ]; using namesp…

http://acm.hdu.edu.cn/showproblem.php?pid=4464 现场赛总会有水题,这就是最水的一道,预计也就是能当高校的上机题,保研用,呵呵~~~ #include <cstdio> #include <cstring> #include <iostream> using namespace std; #define ll long long const int MAXN= 100+20; char s[MAXN]; int main()…

http://acm.hdu.edu.cn/showproblem.php?pid=2011 Problem Description 多项式的描述如下:1 - 1/2 + 1/3 - 1/4 + 1/5 - 1/6 + ...现在请你求出该多项式的前n项的和.   Input 输入数据由2行组成,首先是一个正整数m(m<100),表示测试实例的个数,第二行包含m个正整数,对于每一个整数(不妨设为n,n<1000),求该多项式的前n项的和.   Output 对于每个测试实例n,要求输出多项式前…

E - 5 Time Limit:1500MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5391 Description Tina Town is a friendly place. People there care about each other. Tina has a ball called zball. Zball is magic. It grows…

水题 /* * Author : ben */ #include <cstdio> #include <cstdlib> #include <cstring> #include <cmath> #include <ctime> #include <iostream> #include <algorithm> #include <queue> #include <set> #include <m…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3357 #include <cstdio> #include <cmath> #include <algorithm> #include <iostream> #include <cstring> #include <queue> #include <vector> #define maxn 250 #define maxe 1…

http://acm.hdu.edu.cn/showproblem.php?pid=5007 纯粹的联系String的substr 什么时候substr拦截比写短话 string te; int n; te="Hellow"; cout << te.substr(3,5); 我试了下 打印出来的是low.... 写的时候没去限制边界还是AC了 //#pragma comment(linker, "/STACK:102400000,102400000")…

HDU - 1260 现在有n个人要买电影票,如果知道每个人单独买票花费的时间, 还有和前一个人一起买花费的时间,问最少花多长时间可以全部买完票. 直接dp就行,注意下输出和初始化 每次从dp[i-1]和dp[i-2]里面选一个就好 #include <bits/stdc++.h> #define ll long long #define IO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0) #define pp pair<int,i…

1040水题; These days, I am thinking about a question, how can I get a problem as easy as A+B? It is fairly difficulty to do such a thing. Of course, I got it after many waking nights.Give you some integers, your task is to sort these number ascending (…