uva 242——Stamps and Envelope Size

#include <bits/stdc++.h>
using namespace std;

#define cls(a,c) memset(a,c,sizeof (a))
#define ft(i,s,t) for (int i=s;i<=t;i++)
const int N=15,M=1005;
int m,k,n;
int mb
;
int a

,b

;
int f[M];

void sol(int k,int n){
cls(f,63);f[0]=0;
ft(i,1,m) ft(j,1,n){
if (i<a[k][j]) continue;
f[i]=min(f[i],f[i-a[k][j]]+1);
}
}
int main()
{
while (~scanf("%d %d",&k,&n),k){
int ans=0,id;
ft(i,1,n){
scanf("%d",&mb[i]);
ft(j,1,mb[i]) scanf("%d",a[i]+j),b[i][j]=a[i][j];
sort (a[i]+1,a[i]+mb[i]+1);
m=k*a[i][mb[i]];
sol(i,mb[i]);
ft(j,1,m){
if (f[j]<=k&j<m) continue;
if (f[j]>k) j--;
if (ans<j) ans=j,id=i;
else if (ans==j){
int t=mb[i];
if (t<mb[id]) id=i;
else if (t==mb[id]&&a[i][t]<a[id][t]) id=i;
}
break;
}
}
printf("max coverage =%4d :",ans);
ft(i,1,mb[id]) printf("%3d",b[id][i]);
puts("");
}
}