http://acm.hdu.edu.cn/showproblem.php?pid=1003 给出一个包含n个数字的序列{a1,a2,..,ai,..,an},-1000<=ai<=1000 求最大连续子段和及其起始位置和终止位置,很基础的动态规划(DP)问题,看完DP第一次做的DP题目 DP真的是一种很优美的算法,或者说思想,但是比较难理解,我对DP的理解还很浅薄 # include <stdio.h> # define INF 1000000000 int main() { i
Hihocoder 太阁最新面经算法竞赛18 source: https://hihocoder.com/contest/hihointerview27/problems 题目1 : Big Plus 描述 Given an NxN 01 matrix, find the biggest plus (+) consisting of 1s in the matrix. size 1 plus size 2 plus size 3 plus size 4 plus 1 1 1 1 111 1 1
hihoCoder太阁最新面经算法竞赛15 Link: http://hihocoder.com/contest/hihointerview24 题目1 : Boarding Passes 时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 Long long ago you took a crazy trip around the world. You can not remember which cities did you start and finish t
A Communist regime is trying to redistribute wealth in a village. They have have decided to sit everyone around a circular table. First, everyone has converted all of their properties to coins of equal value, such that the total number of coins is di
Max Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 292444 Accepted Submission(s): 69379 Problem Description Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max s
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1003 Max Sum Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) 问题描述 Given a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For e
题目描述 给出一个长度为 n 的序列,要求支持如下两种操作: A l r x :将 [l,r] 区间内的所有数加上 x : Q l r : 询问 [l,r] 区间的最大连续子段和. 其中,一个区间的最大连续子段和指的是:该区间所有子区间的区间和中的最大值(本题中子区间包括空区间,区间和为 0 ). 输入 第一行两个整数 n.m,表示序列的长度以及操作的数目. 之后的 m 行,每行输入一个操作,含义如题目所述.保证操作为 A l r x 或 Q l r 之一. 对于 3