Answer to Question #269586 in C for Keerthi

Question

A data compression software utilities various steps to compress a string of data one of the steps involves find the count of the character that are not repeated in the string

Answer 1

#include <stdio.h>

int main() {
  char *str;
  scanf("%s", str);
  int chars[128];
  for (int i = 0; i < sizeof(str)/sizeof(str[i]); i++)
    chars[i]++;
  int res = 0;
  for (int i = 'a'; i <= 'z'; i++)
    if (chars[i] == 1)
      res++;
  printf("%d", res);
  return 0;
}