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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. const int N = 4;
  5. bool  MATRIX[N][N] = {{0, 0, 1, 0},
  6.                       {0, 0, 1, 0},
  7.                       {0, 0, 0, 0},
  8.                       {0, 0, 1, 0}};
  9.  
  10. bool knows(int a, int b)
  11. {
  12.     return MATRIX[a][b];
  13. }
  14.  
  15. int main() {
  16. 	int i = 0;
  17. 	int j = 1;
  18. 	int k = 2;
  19. 	while (k < N) {
  20. 		if (knows(i, j)) {
  21. 			i = k++;
  22. 		} else {
  23. 			j = k++;
  24. 		}
  25. 	}
  26. 	int c;
  27. 	if (knows(i, j)) {
  28. 		c = j;
  29. 	} else {
  30. 		c = i;
  31. 	}
  32. 	cout << "i: " << c << " and j: " << j << endl;
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 15240KB
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Standard input is empty
stdout
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i: 2 and j: 2
https://ideone.com/V5wdWz
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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