write a program which inputs an integer value , checks that it is positive, and outputs its factorial, using the formulas:
factorial(0) = 1
factorial(n) = n * factorial(n-1)
1
Expert's answer
2013-02-07T08:17:14-0500
#include <iostream>
int factorial(int n){ int res=1; for(int i = 1; i <= n; i++) & res = res*i; return res; }
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