Submission #1182541

#	Time	Username	Problem	Language	Result	Execution time	Memory
1182541		hmms127	Bank (IZhO14_bank)	C++20	Compilation error	0 ms	0 KiB

bank

#include <bits/stdc++.h>
using namespace std;
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
int getbit(int n,int idx){return ((n>>idx)&1LL);}
int main()
{
     speed;
     int tt=1,cnt=1;//cin>>tt;
     while(tt--){
       freopen("bank.in","r",stdin);
       freopen("bank.out","w",stdout);
       int n,m;cin>>n>>m;
       int c;cin>>c;
       int a[m];f1(m)cin>>a[i];
       for(int mask=0;mask<(1<<m);mask++){
        int sm=0;
        for(int i=0;i<m;i++){
          if(getbit(mask,i))sm+=a[i];
        }
        if(sm==c){cout<<"YES";return 0;}
       }
       cout<<"NO";

     }
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:14:17: error: 'f1' was not declared in this scope; did you mean 'y1'?
   14 |        int a[m];f1(m)cin>>a[i];
      |                 ^~
      |                 y1
bank.cpp:10:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |        freopen("bank.in","r",stdin);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bank.cpp:11:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |        freopen("bank.out","w",stdout);
      |        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~