Submission #1279575

#	Time	Username	Problem	Language	Result	Execution time	Memory
1279575		hanguyendanghuy	은행 (IZhO14_bank)	C++20	71 / 100	1096 ms	10872 KiB

bank

#include <bits/stdc++.h>
using namespace std;
#define ll int
#define pb push_back
#define fi first
#define se second
constexpr ll MAXN=2e6+5,MAXV=1e5,MOD=1e9+7;
ll n,m,i,j,p,k,ans,dem,st,en,a[MAXN],b[MAXN],giatri[MAXN],mark[MAXN];
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n>>m;
    for(i=1;i<=n;i++) cin>>a[i];
    for(i=0;i<m;i++) cin>>b[i];
    for(ll mask=1;mask<(1<<m);mask++){
        ll cnt=0;
        for(j=0;j<m;j++)
            if((mask>>j)&1) cnt+=b[j];
        giatri[mask]=cnt;
    }
    vector<ll> dung,luu;
    dung.pb(0);
    for(i=1;i<=n;i++){
        luu.clear();
        for(ll mask=1;mask<(1<<m);mask++) mark[mask]=0;
        for(ll mask=1;mask<(1<<m);mask++){
            if(giatri[mask]==a[i]&&!mark[mask]){
                for(ll x:dung){
                    if((x|mask)==(x^mask)) luu.pb((x|mask));
                    mark[(x|mask)]=1;
                }
            }
        }
        dung=luu;
    }
    if(dung.size()) cout<<"YES";
    else cout<<"NO";
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29