Discussion Detail - 羽润编程

#include <bits/stdc++.h> using namespace std;

int main() { long long a=1; int n; cin>>n; for(int i=1; i<=n; i++) { a*=i; } cout<<a; return 0; }

曾晞宸 LV 6 @ 2023-9-10 14:32:16

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