题解 | #n的阶乘#
n的阶乘
https://www.nowcoder.com/practice/97be22ee50b14cccad2787998ca628c8
#include <iostream> using namespace std; long long JC(int n) { if(n==1)return 1; else return n*JC(n-1); } int main() { int n; while (cin >>n) { cout<<JC(n)<<endl; } }