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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. template<typename T>
  6. ostream& operator << (ostream& os, vector<T>& vec){
  7.   for(int i=0; i<vec.size(); i++){
  8.     os << vec[i] << ( i+1 == vec.size() ? "" : " " );
  9.   }
  10.   return os;
  11. }
  12.  
  13. int main(){
  14.   vector<int> A = {1,2,3,4};
  15.   cout << A << endl;
  16.   return 0;
  17. }
Success #stdin #stdout 0s 3456KB
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Standard input is empty
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1 2 3 4
https://ideone.com/AcdV55
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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