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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. int main() {
  5.   int n = 5, m = 3;
  6.   std::vector<std::vector<int> >vec (n, std::vector<int>(m));
  7.   std::cout << sizeof(std::vector<int>) << std::endl;
  8.   for (int i = 0; i < n; ++i) {
  9.   	std::cout << &vec[i] << std::endl;
  10.     for (int j = 0; j < m; ++j) {
  11.       std::cout << &(vec[i][j]) << " ";
  12.     }
  13.     std::cout << "\n";
  14.   }
  15. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
Standard input is empty
stdout 
24
0x2b3882d90c40
0x2b3882d90cc0 0x2b3882d90cc4 0x2b3882d90cc8 
0x2b3882d90c58
0x2b3882d90ce0 0x2b3882d90ce4 0x2b3882d90ce8 
0x2b3882d90c70
0x2b3882d90d00 0x2b3882d90d04 0x2b3882d90d08 
0x2b3882d90c88
0x2b3882d90d20 0x2b3882d90d24 0x2b3882d90d28 
0x2b3882d90ca0
0x2b3882d90d40 0x2b3882d90d44 0x2b3882d90d48
https://ideone.com/MbK99A
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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