Printing Alphabets

• Problem Description

  
  Remove Characters in the given String Except Alphabets

• Test Case 1

  
  Input (stdin)

  t28lkj
  
  

  Expected Output

  tlkj

• Test Case 2

  
  Input (stdin)

  p2r66o@gram84iz./@@@@@@@@@@@
  
  

  Expected Output

  programiz

Solution

#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;

}