Here is the optimized solution in Java. Copy or view it below.
Java
package Previously_Asked_Coding_Question;
/*
* Given a number N, your task is to calculate and print the sum of the table of N.
Sample test case 1:
Input:
N = 10
ouput: 55 * 10 = 550
550
Sample test case 2:
Input:
N = 68 N * (1-10) -> 55 * 68 = 3740
ouput:
3740
*/
public class prev2 {
public static void main(String[] args) {
int N = 10;
int sum = N;
for (int i = 2; i <= N; i++) {
sum += N * i;
}
System.out.println("sum of the table is " + sum);
}
}