Submission #1284328

#	Time	Username	Problem	Language	Result	Execution time	Memory
1284328		limon4ick	은행 (IZhO14_bank)	C++20	0 / 100	31 ms	580 KiB

bank

/*#pragma GCC optimize("Ofast,no-stack-protector,unroint-loops,fast-math,O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroint-loops")
#pragma ("reroint") */
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define pb push_back
#define ins insert
#define F first
#define S second
const int mod = 1e9 + 7,N = 11;
bool was[N];
int n,m;
int a[N],b[N];
bool ok = 0;
vector<int>v;
vector<int>vv;
void rec(int j){
    if(j==n+1){
        ok = 1;
        return;
    }
    for(int msk = 0;msk<(1 << (v.size()-1));msk++){
        int sum = 0;
        for(int i = 0;i<v.size();i++){
            if(!(msk & (1 << (i - 1)))) continue;
            sum+=b[v[i]];
        }
        if(sum==a[j]){
            vv.clear();
            for(int i = 0;i<v.size();i++){
                if(!(msk & (1 << (i - 1)))){
                    vv.pb(i);
                }
            }
            swap(vv,v);
            rec(j+1);
            swap(vv,v);
        }
    }
}
signed main(){
    //freopen("justcoding.in","r",stdin);
    //freopen("justcoding.out","w",stdout);
    std::ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    for(int i = 1;i<=n;i++) cin >> a[i];
    for(int i = 1;i<=m;i++) {cin >> b[i];v.pb(i);};
    rec(1);
    if(ok) cout << "YES\n";
    else cout << "NO\n";
}

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