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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Fact {
  5.     int n;
  6.  
  7. public:
  8.     void getdata(int x) {
  9.         n = x;
  10.     }
  11.  
  12.     int facto() {
  13.         int f = 1;
  14.         for (int i = n; i >= 1; i--) {
  15.             f = f * i;
  16.         }
  17.         return f;
  18.     }
  19. };
  20.  
  21. int main() {
  22.     int P;
  23.     cout << "Enter any number: ";
  24.     cin >> P;
  25.  
  26.     Fact obj1;
  27.     obj1.getdata(P);
  28.  
  29.     int q = obj1.facto();
  30.     cout << "The factorial is " << q << endl;
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0.01s 5308KB
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stdin
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Standard input is empty
stdout
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Enter any number: The factorial is 0
https://ideone.com/Xb4y3A
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

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