01背包

 

#include<stdio.h>#include<string.h>int main(void){    int n;    while(scanf("%d",&n)!=EOF&&n!=0)    {        int i,v,j,a[1055],s[1005],t;        memset(s,0,sizeof(s));        for(i=0;i<n;i++)            scanf("%d",&a[i]);        for(i=1;i<n;i++)        for(j=0;j<n-i;j++)      if(a[j]>a[j+1]) {t=a[j];a[j]=a[j+1];a[j+1]=t; }            scanf("%d",&v);            if(v<5) printf("%d\n",v);            else{            v=v-5;        for(i=0;i<n-1;i++)            for(j=v;j>=a[i];j--)            s[j]=(s[j]>s[j-a[i]]+a[i]?s[j]:s[j-a[i]]+a[i]);        printf("%d\n",v-s[v]-a[n-1]+5);}    }    return 0;}