HDU 2191 悼念512汶川大地震遇难同胞——珍惜现在，感恩生活(多重背包)

#include <iostream>
#include <cstdio>
#include <memory.h>
using namespace std;
const int maxn=110;
int w[maxn],c[maxn],v[maxn],dp[maxn][maxn],n,m;
int main(){
int t;
scanf("%d",&t);
while (t--){
scanf("%d%d",&n,&m);
for (int i=1;i<=m;++i){
scanf("%d%d%d",&w[i],&v[i],&c[i]);
}
memset(dp,0,sizeof(dp));
for (int i=1;i<=m;++i){
for (int j=1;j<=n;++j){
int maxv=0;
for (int k=0;k<=c[i]&&k*w[i]<=j;++k){
maxv=max(maxv,dp[i-1][j-k*w[i]]+k*v[i]);
}
dp[i][j]=maxv;
}
}
printf("%d\n",dp[m]
);
}
return 0;
}