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  1. #include<string.h>
  2. void swap(char *i,char *j)
  3. {
  4. 	char t;
  5. 	t=*i;
  6. 	*i=*j;
  7. 	*j=t;
  8. }
  9. void perm(char *str,int i,int n)
  10. { 
  11.  
  12. 	int j;
  13. 	if(i==n)
  14. 	{
  15. 	printf("%s\n",str);
  16. 	}
  17. 	else
  18. 	{
  19. 		for(j=i;j<=n;j++)
  20. 		{
  21. 			swap(str+i,str+j);
  22. 			perm(str,i+1,n);
  23. 			swap(str+i,str+j);
  24. 		}
  25. 	}
  26. }
  27.  
  28.  
  29.  
  30. int main()
  31. {
  32. 	char string[10000] = {'a', 'b', 'c'};
  33. 	int n;
  34. 	//printf("Enter the string");
  35. 	//scanf("%s",string);
  36. 	n=strlen(string);
  37. 	perm(string,0,n-1);
  38.  
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 2248KB
comments (?)
stdin
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Standard input is empty
stdout
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abc
acb
bac
bca
cba
cab
https://ideone.com/WPCW48
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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