#include <iostream> using namespace std; /*int SquarebyValue(int x); void squarebyreference(int& x); int main() { int number; cout << "Enter the number" << endl; cin >> number; */ long rec( int n ) { int f; if ( n == 1) // base case return ( n ); else { f = n *rec( n - 1); return (f); //recursive function call } } int main() { int num, fact; long rec( int ); cout << "Enter a positive integer:-" ; cin >> num; fact = rec(num); cout << endl << "Factorial Result are:: " << fact << endl; return 0; } #include <iostream> using namespace std; int x, square; int SquarebyValue( int x ) { return x * x ; } void SquareByReference( int & y ) { y *= y ; cout << "Square of x is: " << y << endl; } int main()
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