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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. using namespace std;
  5.  
  6. int main () {
  7.  
  8.         vector<int> a(5);
  9.  
  10.         auto           x = a[1];   // x : int
  11.         decltype(a[1]) y = a[1];   // y : int&
  12.  
  13.         cout << a[1] << endl;
  14.         x = 123;
  15.         cout << a[1] << endl;
  16.         y = 456;
  17.         cout << a[1] << endl;
  18.         return 0;
  19. }
Success #stdin #stdout 0s 2960KB
comments (?)
stdin 
Standard input is empty
stdout 
0
0
456
https://ideone.com/7xgiv
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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