题解 | #计算一个数的阶乘#
计算一个数的阶乘
http://www.nowcoder.com/practice/b0423a89826c4d68a3e8b9832a6a1f49
#include using namespace std;
int main() {
int n;
cin >> n;
long long factorial = 1;
for(int i = 1; i <= n; i++){
factorial = factorial * i;
}
cout << factorial << endl;
return 0;
}
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