C++ 求阶乘
#include<iostream> using namespace std; const int size = 6; //输入阶乘数 int main() { long long factorial[size]; factorial[1] = factorial[0] = 1LL; for (int i = 2; i < size; i++) { factorial[i] = i * factorial[i - 1]; } for (int i = 0; i < size; i++) cout << i << "! = " << factorial[i] << endl; cin.get(); return 0; }
输出:
0! = 1 1! = 1 2! = 2 3! = 6 4! = 24 5! = 120