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() {
int n;
cin >> n;
long long factorial = 1;
// write your code here......
int i=1;
while (i<=n) {
factorial *= i;
i++;
}
cout << factorial << endl;
return 0;
}
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