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;
typedef long long ll;
#define fr first
#define sc second
#define vec vector
#define ret return
#define ins insert
#define mk make_pair
#define pb push_back
#define pii pair<int,int>
#define all(s) s.begin(), s.end()
#define allr(s) s.rbegin(), s.rend()
const int N = 2e5+12, INF = 1e9, mod = 1e9+7;
int a[N], b[N], dp[N];
vector<int>g[N];
main(){
ios::sync_with_stdio(0), cin.tie(0);
int n, m;
cin>>n>>m;
for(int i=0; i<n; i++){
cin>>a[i];
}
for(int j=0; j<m; j++){
cin>>b[j];
}
for(int mask=0; mask<(1<<m); mask++){
int ans = 0;
for(int i=0; i<m; i++){
if(mask & (i<<i)){
ans += b[i];
}
}
for(int i=0; i<n; i++){
if(ans == a[i]){
g[i].pb(mask);
}
}
}
dp[0] = 1;
for(int i=0; i<n; i++){
for(int mask=(1<<m)-1; mask>=0; mask--){
if(dp[mask] > 0){
for(int ms : g[i]){
if(ms & mask)continue;
int x = ms | mask;
dp[x] = max(dp[x], dp[mask] + 1);
if(dp[x] > n){
cout<<"YES"<<endl;
return 0;
}
}
}
}
}
cout<<"NO"<<endl;
return 0;
}
Compilation message (stderr)
bank.cpp:23:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
23 | main(){
| ^~~~
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