This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
pair<int,int>f[(1<<20)+7];
int a[25],b[25];
int n,m;
main()
{
cin>>n>>m;
for(int i=0;i<n;i++)cin>>a[i];
for(int i=0;i<m;i++)cin>>b[i];
f[0]={0,0};
for(int mask=0;mask<(1<<m);mask++){
if(f[mask].fi==n){
cout<<"YES";
return 0;
}
for(int i=0;i<m;i++){
if((mask>>i)&1)continue;
pair<int,int> newstate;
if(f[mask].se+b[i]<a[f[mask].fi]){
newstate={f[mask].fi,f[mask].se+b[i]};
}
else if(f[mask].se+b[i]==a[f[mask].fi]){
newstate={f[mask].fi+1,0};
}
f[mask^(1<<i)]=max(f[mask^(1<<i)],newstate);
}
}
cout<<"NO";
return 0;
}
Compilation message (stderr)
bank.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
9 | main()
| ^~~~
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