初学C++,在结构体中写函数及一些C++语言需要的一些格式 看代码 #include<iostream>#include<cstdio>using namespace std; struct what_day{ int year; int month; int day; void count(int year,int month,int day) { int s[12]={0,31,28,31,30,31,30,31,31,30,31,30}; int sum=day; for(i
select *,(2 * 6378.137* ASIN(SQRT(POW(SIN(PI()*(111.86141967773438-latitude)/360),2)+COS(PI()*33.07078170776367/180)* COS(latitude * PI()/180)*POW(SIN(PI()*(33.07078170776367-longitude)/360),2)))) as juli from school_base_infoorder by juli asc limit