Submission #885294

#	Time	Username	Problem	Language	Result	Execution time	Memory
885294		asli_bg	Bank (IZhO14_bank)	C++11	0 / 100	6 ms	416 KiB

bank

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

#include <ext/pb_ds/assoc_container.hpp>

#define FOR(i,a) for(int i=0;i<(a);i++)
#define FORE(i,a,b) for(int i=(a);i<(b);i++)
typedef long long ll;
#define pb push_back
#define se second
#define fi first
#define all(x) x.begin(),x.end()

typedef pair<int,int> pii;

typedef vector<int> vi;
typedef vector<pii> vii;
typedef vector<bool> vb;
typedef vector<ll> vll;

#define mid (l+r)/2
#define alt cout<<endl

const int MAXN=25;
const int INF=1e9;

int32_t main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);

    //ifstream cin ("movie.in");
    //ofstream cout ("movie.out");

    int n,m;
    cin>>n>>m;

    vi dp (1<<m);

    vi people (n);
    vi money(m);
    FOR(i,n){
        cin>>people[i];
    }

    FOR(i,m){
        cin>>money[i];
    }

    sort(all(people));
    sort(all(money));

    FOR(i,m){
        dp[1<<i]=money[i];
    }

    int bas=0;

    vb used(n,false);

    FOR(i,n){
        FORE(s,bas,(1<<m)){
            FOR(j,m){
                if(s & (1<<j)){
                    dp[s]+=dp[j];
                    if(dp[s]==people[i]){
                        used[i]=true;
                        bas=s;
                        break;
                    }
                }
            }

        }
    }

    bool flag=true;
    for(auto el:used){
        if(!el){
            flag=false;
            break;
        }
    }

    if(flag) cout<<"YES";
    else cout<<"NO";

}
    
 

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