九度教程第102题
C语言源码:
[cpp]
#include<stdio.h>
#include<limits.h>
#define maxsize 10005
int dp[maxsize];
typedef struct coin
{
int weight;
int worth;
}coin;
coin a[505];
int min(int a,int b)
{
return a<b?a:b;
}
int main()
{
int t,e,f,w,n,i,j;
while(scanf("%d",&t)!=EOF)
{
while(t--)
{
scanf("%d %d",&e,&f);
w=f-e;
scanf("%d",&n);
for(i=1;i<=n;i++)
scanf("%d %d",&a[i].worth,&a[i].weight);
for(i=1;i<maxsize;i++)
dp[i]=INT_MAX;
dp[0]=0;
for(i=1;i<=n;i++)
for(j=a[i].weight;j<=w;j++)
if(dp[j-a[i].weight]!=INT_MAX)
dp[j]=min(dp[j],dp[j-a[i].weight]+a[i].worth);
if(dp[w]!=INT_MAX)
printf("The minimum amount of money in the piggy-bank is %d.\n",dp[w]);
else
printf("This is impossible.\n");
}
}
}
补充:软件开发 , C++ ,