最简单的背包问题,标题应该是除了背包测试中心:您无法打开二维数组.我还没有开的二维.光看数据是不可能的. 太大. 有两种方法来提高全省内存DP: 1 所谓卷的阵列 2 反向表 久没做背包DP,突然认为这样的背包问题非常easy了. 以下给出两种解法: 1 calBag()是滚动数组 2 calBag2()是逆向填表 #pragma once #include <stdio.h> #include <stdlib.h> #include <vector> using na…
POJ.3624 Charm Bracelet(DP 01背包) 题意分析 裸01背包 代码总览 #include <iostream> #include <cstdio> #include <cstring> #include <algorithm> #define nmax 13000 #define nnmax 3500 using namespace std; int dp[nmax]; int w[nnmax],d[nnmax]; int main…
题目链接:poj 3624 这是最基础的背包问题,特点是:每种物品仅有一件,可以选择放或不放.             用子问题定义状态:即F [i, v]表示前i件物品恰放入一个容量为v 的背包可以             获得的最大价值.则其状态转移方程便是:             F [i, v] = max{F [i − 1, v], F [i − 1, v − Ci ] + Wi }             这个方程非常重要,基本上所有跟背包相关的问题的方程都是由它衍生       …
Charm Bracelet Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 38909   Accepted: 16862 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…
题目链接:http://poj.org/problem?id=3624 Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (1 ≤ N ≤ 3,402) available charms. Each charm i in the supplied list…
Charm Bracelet Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://poj.org/problem?id=3624 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (…
Charm Bracelet Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 45191   Accepted: 19318 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…
Charm Bracelet Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 34532   Accepted: 15301 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…
题目链接 Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 52318   Accepted: 21912 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N(1…
Charm Bracelet Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 29295   Accepted: 13143 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…