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  1. #include <map>
  2. #include <iostream>
  3. #include <stdio.h>
  4.  
  5. using std::map;
  6.  
  7. int main() {
  8.   map<int, int> mp;
  9.   printf("%d ", mp.size());
  10.   mp.insert(std::pair<int, int>(10, mp.size()));
  11.   printf("%d ", mp.size());
  12.   printf("%d\n", mp[10]);
  13.  
  14.   return 0;
  15. }
Success #stdin #stdout 0s 3412KB
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https://ideone.com/serR0z
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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