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Answer to Question #47568 in C++ for krad

Question #47568
Write a program to calculate the factorial value of the input number n! use the incrementation formula (i++) for your solution instead of decrementation formula (1--).
Sample input/output dialogue:
Enter a Number: 4
Factorial value: 24
(The computation is: 1*2*3*4=24)
Expert's answer
#include <iostream>
using namespace std;
//main method
int main()
{
int Number;//variable for input number
int Factorial=1;//variable for result
//promt user to enter Number 
cout<<"Enter a Number: ";
//read number
cin>>Number;
for(int i=1;i<=Number;i++){
   Factorial*=i;
}
//show result 
cout<<"Factorial value: "<<Factorial<<"\n";
//delay
system("pause");
//exit program
return 0;
}


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