View Code of Problem 43

#include <stdio.h>
 
int main(){
  char arr[100];
  int i;
  scanf("%s", arr);
  for(i=0;arr[i]!='\0';i++){
    if(('a'<=arr[i]&&arr[i]<='z')||('A'<=arr[i]&&arr[i]<='Z')){
		printf("%c",arr[i]);
    }
  }
}