Question 4 - Calculate (a! + b!)
// 4. Write a program to calculate a! + b! without using any loop. #include <iostream> using namespace std; int rec_factorial (int n) { if (n == 0 || n == 1) return 1; else return n * rec_factorial(n-1); } int main() { int a, b, res; cout << "Please enter a, b: " << endl; cin >> a >> b; res = rec_factorial(a) + rec_factorial (b); cout << "Result = " << res; }
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