Printing Alphabets

Description:

Remove Characters in the given String Except Alphabets Test Case 1 Input (stdin) t28lkj Expected Output tlkj Test Case 2 Input (stdin) [email protected]/@@@@@@@@@@@ Expected Output programiz

Program :

#include<stdio.h>

int main()

{

    char line[150];


    int i, j;

    scanf ("%[^\n]s",line);

    for(i = 0; line[i] != '\0'; ++i)

    {

        while (!( (line[i] >= 'a' && line[i] <= 'z') || (line[i] >= 'A' && line[i] <= 'Z') || line[i] == '\0') )

        {

            for(j = i; line[j] != '\0'; ++j)

            {

                line[j] = line[j+1];

            }

            line[j] = '\0';

        }

    }

    puts(line);

    return 0;

}