Question

input 5 print a ab abc abcd abcde

Answer 1

Java :

Scanner sc = new Scanner(System.in);
Int n = sc.nextInt();

for(int i=1;i<=n:i++)
{ int j=0;
While(j{
char ch = (char)(‘a’+j);
System.out.print(ch);//print character
j++;
}
System.out.println();//to print new line
}