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CodeChef submission 839501 (C) 

CodeChef submission 839501 (C) plaintext list. Status: AC, problem PERMUT2, contest . By codesmart (codesmart), 2012-02-09 03:37:24.
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. int main(int argc, char *argv[])
  4. {
  5.   int n,i,flag;
  6.   int str[100001];
  7.   while(1)
  8.   {
  9.       scanf("%d",&n);
  10.       flag=0;
  11.       if(n==0)
  12.               break;
  13.       for(i=1;i<=n;i++)
  14.                        scanf("%d",&str[i]);                       
  15.       for(i=1;i<=n;i++)
  16.       {
  17.                        if(str[str[i]]!=i)
  18.                        {                                         
  19.                                          flag=1;break;
  20.                                          }
  21.                        }
  22.       (flag==0)?printf("ambiguous\n"):printf("not ambiguous\n");      
  23.       }
  24.   return 0;
  25. }
  26.

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