题解 | #阶乘#
阶乘
https://www.nowcoder.com/practice/4b8f5815c7cd40ab851c24fc5de70fa4
#include <iostream> using namespace std; int main() { int n;cin>>n; while(n--){ int tmp;cin>>tmp; long long res=1; for(int i =1;i<=tmp;i++) res*=i; cout<<res<<endl; } } // 64 位输出请用 printf("%lld")
要用到long long