Main() { int fact; fact = Factorial(4); } main fact.

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Presentation transcript:

main() { int fact; fact = Factorial(4); } main fact

n 4 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } main Factorial n 4

n 3 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } main Factorial Factorial n 3

n int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } main Factorial Factorial Factorial Factorial Factorial n

1 n 1 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } 1 main Factorial Factorial Factorial Factorial n 1

1 n 2 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } 1 main Factorial Factorial Factorial n 2

2 n 3 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } 2 main Factorial Factorial n 3

6 n 4 int Factorial(int n) { if (n == 0) return (1); else return (n * Factorial(n-1)); } 6 main Factorial n 4

main() { int fact; fact = Factorial(4); } 24 main fact