紫啧~ 夏小语 · 发布于 2024-11-27 · 浏览 534 回复 0 include <bits/stdc++.h> using namespace std; int main() { int a = 1, s = 1, n, i; scanf("%d", &n); while (a <= n) { s = s * a; a++; } printf("%d", s); return 0; }