53.Anagram

#include <stdio.h>

int check_anagram(char [], char []);

int main()

{

   char a[100], b[100];

   int flag;

   printf("Enter first string\n");

   gets(a);

   printf("Enter second string\n");

   gets(b);

   flag = check_anagram(a, b);

   if (flag == 1)

      printf("\"%s\" and \"%s\" are anagrams.\n", a, b);

   else

      printf("\"%s\" and \"%s\" are not anagrams.\n", a, b);

   return 0;

}

int check_anagram(char a[], char b[])

{

   int first[26] = {0}, second[26] = {0}, c = 0;

   while (a[c] != '\0')

   {

      first[a[c]-'a']++;

      c++;

   }

   c = 0;

   while (b[c] != '\0')

   {

      second[b[c]-'a']++;

      c++;

   }

   for (c = 0; c < 26; c++)

   {

      if (first[c] != second[c])

         return 0;

   }

   return 1;

}