题解 | #计算一个数的阶乘#
计算一个数的阶乘
https://www.nowcoder.com/practice/b0423a89826c4d68a3e8b9832a6a1f49
#include <iostream>
using namespace std;
int main() {
long long int function(int x);
int n;
cin >> n;
cout<<function(n);
}
long long int function(int x)
{
if(x==1)
return 1;
else
return x*function(x-1);//x!=x*(x-1)!;
}
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