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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(const c& tmp){
  17.     cout << "copy\n";
  18.     cnt = tmp.cnt;
  19.   }
  20.   c operator++(int){
  21.     cout << "post\n";
  22.     return c(cnt++);
  23.  
  24.   }
  25.   void operator = (c tmp){
  26.     cout << "equal\n";
  27.     cnt = tmp.cnt;
  28.   }
  29. ~c(){
  30.   cout << "des\n";
  31. }
  32.  
  33. };
  34.  
  35. int main() {
  36. c ob;
  37. c ob1(3);
  38. ob++;
  39. ++ob;
  40. cout << ob.get_cnt() << ' ' << ob1.get_cnt()  << '\n';
  41. ob = ob1++;
  42. ob = ob1;
  43. c ob2(ob1++);// لما بتشيل ال ++ بتنادي الكوبي كونستراكتور لما بتحطها معرفش بيحصل ايه
  44. c ob3 = ob2;
  45. cout << ob.get_cnt() << ' ' << ob1.get_cnt()  << '\n';
  46.  
  47.  
  48. return 0;
  49. }
Success #stdin #stdout 0s 5280KB
comments (?)
stdin
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Standard input is empty
stdout
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default
param
post
param
des
pre
param
des
2 3
post
param
equal
des
copy
equal
des
post
param
copy
4 5
des
des
des
des
https://ideone.com/4tmJ2k
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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