Submission #1228939

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228939		darkdraven	Bank (IZhO14_bank)	C++20	19 / 100	57 ms	328 KiB

bank

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define nl "\n"
#define sp " "
#define name "test"
#define int long long

int n, m;
int a[21], b[21];

bool rec(int id, int mask){
    if(id == m){
        int tmp = 0;
        for(int i = 0; i<m; i++){
            if(mask & (1<<i)) tmp += b[i];
        }
        return (tmp == a[0]);
    }

    return max(rec(id+1, mask), rec(id+1, mask | (1<<id)));
}

void subtask1(){
    if(rec(0, 0)) cout << "YES";
    else cout << "NO";
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    //freopen(name".INP", "r", stdin);
    //freopen(name".OUT", "w", stdout);

    cin >> n >> m;
    for(int i = 0; i<n; i++) cin >> a[i];
    for(int j = 0; j<m; j++) cin >> b[j];

    if(n == 1) subtask1();

    return 0;
}

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