Write a program to check if a number is a perfect number.
MediumProblem Statement
Write a program to check if a number is a perfect number.
Sample Input
int n = 28;
Sample Output
28 is a perfect number.
Limits
Time: 2s · Memory: 256 MB
Write a program to check if a number is a perfect number.
int n = 28;
28 is a perfect number.
Time: 2s · Memory: 256 MB