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  1. #include<stdio.h>
  2. #include<string.h>
  3. int main()
  4. {
  5. 	int equal=0,unequal=0,flag=0,i,j;
  6. 	char str[100];
  7. 	scanf("%s",str);
  8. 	int len = strlen(str);
  9. 	for(i=0,j=len-1;i<len/2;i++,j--)
  10. 	{
  11. 		if(str[i]==str[j])
  12. 		{
  13. 		equal++;
  14. 	    }
  15. 		else
  16. 		{
  17. 		unequal++;
  18. 		flag=1;
  19. 	    }
  20. 	    if(flag)
  21. 	    {
  22. 	    	str[i]=str[j];
  23. 	    	flag=0;
  24. 		}
  25. 	}
  26. 	printf("The unequal count is %d:",unequal);
  27. 	printf("\nThe palindrome is %s:",str);
  28. }
Success #stdin #stdout 0s 10304KB
comments (?)
stdin
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abcbba
stdout
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The unequal count is 1:
The palindrome is abbbba:
https://ideone.com/FY6prU
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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