Write a program to find whether the given number is a perfect number or not.

Source Code

#include<stdio.h>
#include<conio.h>
#include<math.h>
int main (int argc, char *argv[])
{
  clrscr();
  int n,num,i,c=0,per=0;
  int ar[100];
  for(i=0;i<100;i++)
  {
    ar[i]=0;
  }
  printf("\n Enter the number: ");
  scanf("%d",&n);
  num=n;
  for(i=1;i<num;i++)
  {
       if(n%i==0)
       {
    ar[c]=i;
    c++;
       }
  }
  for(i=0;i<c;i++)
  {
    per+=ar[i];
  }
  printf("\n The number %d is",n);
  if(n==per)
    printf(" perfect number");
  else
    printf(" not an perfect number");
  getch();
}

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