Write a c++ program to whether check given number is strong number or not.

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Write a c++ program to whether check given number is strong number or not.

#include<iostream>

int main(){

  int num,i,f,r,sum=0,temp;

  cout << "Enter a number: ";

  cin >> num;

  temp=num;

  while(num){

      i=1,f=1;

      r=num%10;

      while(i<=r){

         f=f*i;

        i++;

      }

      sum=sum+f;

      num=num/10;

  }

  if(sum==temp)

     cout << temp << " is a strong number";

  else

     cout << temp << " is not a strong number";

  return 0;

}

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