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How to Find Factorial of any Number in C++

How to Find Factorial of any Number in C++

 

To find factorial of a number we need two variables and a for loop which is give blew.

#include<iostream>
  #include<iostream.h>
   int main()
   {
   int b;
   int a=1;
   cout<<"enter number to finds its factorial"<<endl;
   cin>>b;
   for(int c=b;c>1;c--)
   {
   a=a*b;
   }
   cout<<a<<endl;
   system("pause");
   return 0;
}
To find Factorial of given number in C++
   #include<iostream>
  using namespace std;
   int main()
   {
   int b=4;
   int a=1;
  
   for(int c=b;c>1;c--)
   {
   a=a*b;
   }
   cout<<a<<endl;
   system("pause");
   return 0;
   };