18 lines
275 B
C++

#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;
int f[50000],w[4000],i,j,n,m;;
int main ()
{
cin>>m;
cin>>n;
for (i=1; i<=n; i++)
cin>>w[i];
for (i=1; i<=n; i++)
for (j=m; j>=w[i]; j--)
f[j]=max(f[j-w[i]]+w[i],f[j]);
cout<<m-f[m];
}