九度教程第103题
C语言源码:
[cpp]
#include<stdio.h>
#define maxsize 2010
int dp[maxsize];
typedef struct ri
{
int price;
int weight;
}ri;
ri rice[maxsize];
int max(int a,int b)
{
return a>b?a:b;
}
int main()
{
int c,n,p,i,j,k,price,weight,num,s;
scanf("%d",&c);
{
while(c--)
{
scanf("%d %d",&p,&n);
j=1;
for(i=1;i<=n;i++)
{
scanf("%d %d %d",&price,&weight,&num);
k=1;
while(num-k>0)
{
rice[j].price=price*k;
rice[j].weight=weight*k;
num=num-k;
k=k*2;
j++;
}
if(num)
{
rice[j].price=price*num;
rice[j].weight=weight*num;
j++; www.zzzyk.com
}
}
s=j-1;
for(i=1;i<=p;i++)
dp[i]=0;
for(i=1;i<=s;i++)
for(j=p;j>=rice[i].price;j--)
dp[j]=max(dp[j],dp[j-rice[i].price]+rice[i].weight);
printf("%d\n",dp[p]);
}
}
}
补充:软件开发 , C++ ,