地址:http://acm.hdu.edu.cn/showproblem.php?pid=1024 题目: Problem Description Now I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more difficult problems. Now you are faced with a m…

/* 这题还没有理解透彻.某个dalao也不写注释.只能自己理解了... 先求为i个元素(1<=i<=M)为一个区间的最大和,保证元素个数大于等于i个,递推到M个即可 借鉴原址:http://blog.csdn.net/java_wliang/article/details/14214303 欢迎讨论 */ #include<cstdio> #define maxn 1000005 #define inf 1<<30 #define Max(a,b) (a)>(b…

Max Sum Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the max sum in this sequence is 6 + (-1) + 5 + 4 = 14.   Input The first line of the inpu…

这是原题的链接http://acm.hdu.edu.cn/showproblem.php?pid=1003 起初我是利用暴力的方法,求出所有序列的和的情况,每取一个序列就和以知道的最大和作对比,取大者.结果超时,代码如下,时间复杂度达到o(n^3) #include <bits/stdc++.h> using namespace std; int main(){ int k; cin >> k; int q=k; ; while(k--){ int m; cin >>…

http://acm.hdu.edu.cn/showproblem.php?pid=2058 以为简单的穷举就完了,结果是一直Time Limit Exceeded.. 这是代码: #include <stdio.h> #include <stdlib.h> #include <math.h> int main() { int a,b; int i,j,k; ||b!=)) { ;i<=a;i++) { k = ; *b))+;j++) { k = k+j; if…

最近在尝试做acm试题,刚刚是1001题就把我困住了,这是题目: Problem Description In this problem, your task is to calculate SUM(n) = 1 + 2 + 3 + ... + n.   Input The input will consist of a series of integers n, one integer per line   Output For each case, output SUM(n) in one…

杭电ACM分类: 1001 整数求和 水题1002 C语言实验题——两个数比较 水题1003 1.2.3.4.5... 简单题1004 渊子赛马 排序+贪心的方法归并1005 Hero In Maze 广度搜索1006 Redraiment猜想 数论:容斥定理1007 童年生活二三事 递推题1008 University 简单hash1009 目标柏林 简单模拟题1010 Rails 模拟题(堆栈)1011 Box of Bricks 简单题1012 IMMEDIATE DECODABILITY…

按 被中科大软件学院二年级研究生 HCOONa 骂为“误人子弟”之后(见:<中科大的那位,敢更不要脸点么?> ),继续“误人子弟”. 问题: 题目:(感谢 王爱学志 网友对题目给出的翻译)     排名 题目要求:     程序运行时间要不大于1000ms,程序的内存大小不大于32756k.     向审题系统提交总时间是2843秒,审题系统接受的提交时间是860秒. 题目描述:     Jackson想知道他在班级中的排名.教授已经公布班级中人的     学号和分数的列表.计算Jackson…

杭电ACM(1002)大数相加 A + B Problem II Problem DescriptionI have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B. InputThe first line of the input contains an integer T(1<=T<=20) which means the number…

Help Johnny(类似杭电3568题) Description Poor Johnny is so busy this term. His tutor threw lots of hard problems to him and demanded him to  accomplish those problems in a month. What a wicked tutor! After cursing his tutor thousands of times,  Johnny real…