Wednesday, July 1, 2015

Function perfect number

#include<stdio.h>

void perfect(int j);

int main(){
int n;
printf("Enter a number: ");
  scanf("%d",&n);
  perfect(n);

  return 0;
}

void perfect(int j){

  int i=1,sum=0;



  while(i<j){
      if(j%i==0)
           sum=sum+i;
          i++;
  }
  if(sum==j)
      printf("%d is a perfect number",i);
  else
      printf("%d is not a perfect number",i);

}

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