Submission #890752

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

int main() {   
#ifndef ONLINE_JUDGE
  freopen("in", "r", stdin);
  freopen("out", "w", stdout);
#endif
  ios_base::sync_with_stdio(0);
  string s;
  cin >> s;
  for (int i = 0; i < 4; i++) {
    cout << s[i];
  }
  cout << " ";
  for (int i = 4; i < s.size(); i++) {
    cout << s[i];
  }      
  cout << "\n";
  return 0;
} 

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen("in", "r", stdin);
                            ^
./Main.cpp:8:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]
   freopen("out", "w", stdout);
                              ^

Judge Result