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  1. #include <iostream>
  2.  
  3. void foo_rec(int i, int k, int t, int p)
  4. {
  5.     std::cout << i << k << t << p << std::endl;
  6.     if (++p == 2) {
  7.         p = 0;
  8.         if (++t == 2) {
  9.             t = 0;
  10.             if (++k == 2) {
  11.                 k = 0;
  12.                 ++i;
  13.             }
  14.         }
  15.     }
  16.     if (i < 2) {
  17.         foo_rec(i, k, t, p);
  18.     }
  19. }
  20.  
  21. void foo()
  22. {
  23.     foo_rec(0, 0, 0, 0);
  24. }
  25.  
  26.  
  27. int main() {
  28. 	foo();
  29. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin
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Standard input is empty
stdout
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0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
https://ideone.com/jS9zkN
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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