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  1. #include<bits/stdc++.h>
  2. #define IOF ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
  3. #define ll long long
  4. using namespace std;
  5.  
  6. class c{
  7.   int cnt;
  8.   public:
  9.   c():cnt(0){cout << "default\n";}
  10.   c(int x):cnt(x){cout << "param\n";}
  11.   int get_cnt(){return cnt;}
  12.   c operator++(){
  13.     cout << "pre\n";
  14.     return c(++cnt);
  15.   }
  16.   c operator++(int){
  17.     cout << "post\n";
  18.     return c(cnt++);
  19.  
  20.   }
  21.   void operator = (c tmp){
  22.     cout << "equal\n";
  23.     cnt = tmp.cnt;
  24.   }
  25. ~c(){
  26.   cout << "des\n";
  27. }
  28.  
  29. };
  30.  
  31. int main() {
  32. c ob;
  33. c ob1(3);
  34. ob++;
  35. ++ob;
  36. ob1++;
  37. cout << ob.get_cnt() << ' ' << ob1.get_cnt()  << '\n';
  38. ob = ob1++;
  39. cout << ob.get_cnt() << ' ' << ob1.get_cnt()  << '\n';
  40.  
  41.  
  42. return 0;
  43. }
  44.  
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
default
param
post
param
des
pre
param
des
post
param
des
2 4
post
param
equal
des
4 5
des
des
https://ideone.com/4Gkr2I
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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