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  1. #include<cstdio>
  2. int main()
  3. { 
  4. 	int n; 
  5. 	int i = 0; 
  6. 	scanf("%d", &n); 
  7. 	int arr [n]; 
  8. 	int A=0; 
  9. 	for(i=0; i<n; i++) 
  10. 	{ 
  11. 		scanf("%d", &arr [i]); 
  12. 	}
  13.    	for (i=0; i<n; i++)
  14.     {
  15.     	if (arr[arr[i]-1] == (i+1))
  16.     	{
  17.     		A++;
  18.         }
  19. 	} 
  20. 	if(A == n) 
  21. 	{ 
  22. 		printf("ambiguous\n"); 
  23. 	} 
  24. 	else 
  25. 	{
  26. 		printf("not ambiguous\n");
  27. 	}
  28. }
Success #stdin #stdout 0s 2732KB
comments (?)
stdin 
4
1 4 3 2
stdout 
ambiguous
https://ideone.com/0rETn2
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
public

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