UVA 562 Dividing coins (01背包基础)

【题目链接】:click here~~

代码:

/** Problem: UVA No.562* Running time: 0MS* Complier: C++* Author: ACM_herongwei* Create Time: 11:12 2015/9/9 星期三* zeroonebags * 将金币总价值的一半作为背包容量,然后zeronebags*/#include <stdio.h>#include <iostream>#include <string.h>#include <algorithm>#define CLR(c,v) (memset(c,v,sizeof(c)))using namespace std;template <typename _T>inline _T Max(_T a,_T b){return (a>b)?(a):(b);}template <typename _T>inline _T Maxx(_T a,_T b,_T c){return (a>Max(b,c))?(a):(Max(b,c));}const int N = 1e5 + 10;int dp[N];int value[N];int main(){int Ncase;scanf("%d",&Ncase);while(Ncase–){CLR(dp,0);int sum_cost=0, n_bags;scanf("%d",&n_bags);for(int i=0; i<n_bags; ++i) // max:1000{scanf("%d",&value[i]);sum_cost+=value[i];}int mid_cost=sum_cost/2;for(int i=0; i<n_bags; ++i){for(int j=mid_cost; j>=value[i]; –j){if(dp[j]<=dp[j-value[i]]+value[i]){dp[j]=dp[j-value[i]]+value[i];}}}printf("%d\n",sum_cost-2*dp[mid_cost]);}return 0;}/*sample input332 3 541 2 4 641 4 5 6sample ouput012*/

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UVA 562 Dividing coins (01背包基础)

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