4.write an algorithm to find that given number is perfect number or not.

Posted: August 26, 2012 in Lab 8, Lab 8, Lab 8, MECH Sem1
#include<stdio.h>
int main()
{
int n,i,c=0;
printf("Enter a nnumber:");
scanf("%d",&n);
for(i=1;i<n;i++)
{
if(n%i==0)
{
c=c+i;
}
}
if(n==c)
printf("\nPerfect no.");
else
printf("\nNot a perfect no.");
return 0;
}
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