c++ factorial
#include <cmath>
int fact(int n){
return std::tgamma(n + 1);
}
// for n = 5 -> 5 * 4 * 3 * 2 = 120
//tgamma performas factorial with n - 1 -> hence we use n + 1
c++ factorial
#include <cmath>
int fact(int n){
return std::tgamma(n + 1);
}
// for n = 5 -> 5 * 4 * 3 * 2 = 120
//tgamma performas factorial with n - 1 -> hence we use n + 1
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