Question:
Nila uses pencils to write at school and at home. When she was in her 1st standard, her parents bought her one pencil. In her 2nd standard, she needed 5 pencils, and in 3rd standard, she needed 14 pencils and so on. How many pencils does she get from the provided standard?
Note : If the input given is not between 1 to 12 then the output should be “Invalid Standard”
Sample Input 1:
Enter the standard: 4
Sample Output 1:
Nila gets 30 pencils
Sample Input 2:
Enter the standard: 5
Sample Output 2:
Nila gets 55 pencils
Sample Input 3:
Enter the standard:14
Sample Output 3:
Invalid Standard
CODE:–
import java.util.Scanner; public class Count { public static void main (String[] args) { int penc=0; Scanner sc=new Scanner(System.in); System.out.println("Enter the standard"); int stan=sc.nextInt(); if(stan<1||stan>12) { System.out.println("Invalid Standard"); } else { for(int i=1;i<=stan;i++) { penc+=i*i; } System.out.println("Nila gets "+penc+" pencils"); } } }