01背包问题
来源:互联网 发布:淘宝代购链接怎么做 编辑:程序博客网 时间:2024/06/11 13:01
原题:http://acm.hdu.edu.cn/showproblem.php?pid=1171
Problem Description
Nowadays, we all know that Computer College is the biggest department in HDU. But, maybe you don’t know that Computer College had ever been split into Computer College and Software College in 2002.
The splitting is absolutely a big event in HDU! At the same time, it is a trouble thing too. All facilities must go halves. First, all facilities are assessed, and two facilities are thought to be same if they have the same value. It is assumed that there is N (0 < N < 1000) kinds of facilities (different value, different kinds).
Input
Input contains multiple test cases. Each test case starts with a number N (0 < N <= 50 – the total number of different facilities). The next N lines contain an integer V ( 0 < V <= 50 –value of facility) and an integer M (0 < M < =100 –corresponding number of the facilities) each. You can assume that all V are different.
A test case starting with a negative integer terminates input and this test case is not to be processed.
Output
For each case, print one line containing two integers A and B which denote the value of Computer College and Software College will get respectively. A and B should be as equal as possible. At the same time, you should guarantee that A is not less than B.
Sample Input
210 120 1310 1 20 230 1-1
Sample Output
20 1040 40
使用滚动数组,一维数组,时间复杂度比较低。
#include <iostream>#include <cstring>#include <algorithm>using namespace std;int time_[5555] = {0};int dp[255555] = {0};int main(){ int n; while (cin >> n && n != -1) { memset(time_, 0, sizeof(time_)); memset(dp, 0, sizeof(dp)); int index = 0; int len = 0; while (n--) { int v, c; cin >> v >> c; len += v * c; { time_[index++] = v; } while (c--) } for (int i = 0; i < index; i++) { for (int j = len / 2; j >= time_[i]; j--) // for (int j = 0; j <= len / 2; j++) { dp[j] = max(dp[j], dp[j - time_[i]] + time_[i]); } } cout << len - dp[len / 2] << " " << dp[len / 2] << endl; } return 0;}
- 背包问题---01背包
- DP 背包问题 01背包
- 01背包--苹果,背包问题
- 01背包 完全背包问题
- 背包问题之01背包
- 背包问题之01背包
- 背包问题1:01背包
- 背包问题《1》01背包
- 01背包+完全背包问题
- 背包问题-背包01-苹果
- 背包问题之01背包
- 背包问题(01背包,完全背包,多重背包)
- 背包问题(01背包,完全背包,多重背包)
- 动态规划-----背包问题-----01背包,完全背包,多重背包
- 经典背包问题 01背包+完全背包+多重背包
- 背包(01背包、完全背包、多重背包)问题总结
- 背包问题(01背包,完全背包,多重背包)
- 经典背包问题 01背包+完全背包+多重背包
- PCL中ICP配准点云(计算出RT,并且设置不同颜色来显示三个点云)
- 双关系递推
- 【Java学习笔记】Comparable接口的实现和使用
- linux 安装netcdf 库
- 悼念512汶川大地震遇难同胞——珍惜现在,感恩生活(HDU-2191)
- 01背包问题
- SpringMVC+Hibernate+Junit4+json基本框架近乎0配置
- git submodule
- Bootstrap菜单、导航、按钮
- 小虎贝贝智能插座进度更新
- Hadoop-1.Hadoop搭建
- maven profile的使用
- Caffe
- Android测试-- MonkeyRunner