Submission #1270424

#	Time	Username	Problem	Language	Result	Execution time	Memory
1270424		michael12	Bank (IZhO14_bank)	C++20	0 / 100	150 ms	327680 KiB

bank

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
    void setIO(string name = "") {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    if (name.size()) {
        freopen((name + ".in").c_str(), "r", stdin);
        freopen((name + ".out").c_str(), "w", stdout);
    }
}
int main(){
    setIO("bank");
    int n,m;
    cin >> m >> n;
    vector<int> a(n);
    vector<int> v(m);
    for(int i = 0; i < m; i++){
        cin >> v[i];
    }
    for(int j = 0; j < n; j++){
        cin >> a[j];
    }
    bool is = 0;
    int ans = 0;
    for(int i = 0; i < 1 << n; i++){
        int s = 0;
        for(int j = 0; j < n; j++){
            if(i & 1 << j){
                s += a[j];
                
            }
        }
        if(v[0] == s){
            is = 1;
        }        
    }
    if(is){
        cout << "YES";
        return 0;
    }
    else{
        cout << "NO";
        return 0;
    }



}

Compilation message (stderr)

bank.cpp: In function 'void setIO(std::string)':
bank.cpp:11:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         freopen((name + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen((name + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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