Byte_Dancing

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题解 | #统计每个学校的答过题的用户的平均答题数#

select u.university, ( count(q.question_id) / count(distinct u.device_id) ) as avg_answer_cnt from user_profile as u, question_practice_detail as q wh...

Mysql

2022-04-08

0 188

题解 | #小乐乐与进制转换#

//利用递归实现6进制的转换 #include<iostream> using namespace std; //函数体 void func(int n) { int remainder = 0; if (n == 0); else { remai...

C++

2022-01-25

0 203

题解 | #图像相似度#

#include<cstdio> #include<iostream> #include<iomanip> using namespace std; int main() { int m, n; cin >> m >>n;...

C++

2022-01-24

0 302

题解 | #筛选法求素数#

#include<iostream> #include<algorithm> using namespace std; int main() { int n; while(cin >> n){ int delNum = 0; ...

C++

2022-01-24

1 432