Submission #1107265

#	Time	Username	Problem	Language	Result	Execution time	Memory
1107265		vjudge1	Bank (IZhO14_bank)	C++17	71 / 100	1068 ms	592 KiB

bank

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

const int N = 1e5 + 11;
const int maxn = 1e6 + 11;
const int inf = 1e9 + 7;
const int MOD = 1e9 + 7;
int n, m, a[N], b[N], ok = 0;

void f(int pos, int mm){
    if(pos == n + 1) ok = 1;
    if(ok) {
        return;
    }
    for(int mask = 0; mask < (1 << m); mask++){
        int brk = 0, sum = 0;
        if(mask & mm) continue;
        for(int i = 0; i < m; i++){
            if(mask >> i & 1) sum += b[i];
        }
        if(sum == a[pos]) f(pos + 1, (mask | mm));
        if(ok){
            return;
        }
    }
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    
    cin >> n >> m;
    for(int i = 0; i < n; i++) cin >> a[i];
    for(int i = 0; i < m; i++) cin >> b[i];
    f(0, 0);
    cout << (ok? "YES":"NO");
}

Compilation message (stderr)

bank.cpp: In function 'void f(int, int)':
bank.cpp:17:13: warning: unused variable 'brk' [-Wunused-variable]
   17 |         int brk = 0, sum = 0;
      |             ^~~

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