c语言机房管理系统(可以自己计算费用

#include#include#include #include#define MaxSize 81int a81=0; time_t b81,e81; int m;char timestr180;char timestr280;struct student_info char name10; /姓名 int seat; /机号 long stu_num; /学号 int time; /上机时间 StudentListMaxSize;void Insert();void Empty();void Search();void Update();void Delete();void Dispallmoney();void Show();int main() int i,j;system(color 3A); /字体和背景颜色 for(j=0;j81)printf(请输入小于81的数);return;else if(i=80) ai=i;printf(请输入上机者姓名：); scanf(%s,StudentL); printf(请输入上机者学号:); scanf(%ld,&StudentListi.stu_num); bi=time(NULL); strftime(timestr1,79,%H:%M:%S,localtime(&bi); void Empty() int i; printf(空机号为:n); for(i=1;i0) /判断标准，检索到则输出 printf(姓名：%st,StudentL); printf(学号：%ldt,StudentListi.stu_num); else printf(没有查询到！);void Update()int i; printf(请输入要修改数据的机号：); scanf(%d,&i); if(ai0) /判断标准，检索到则输出 printf(请输入姓名：); scanf(%s,StudentL); printf(请输入学号：); scanf(%ld,&StudentListi.stu_num); else printf(没有查询到可以修改的数据！);void Delete()int i; printf(请输入要删除信息的机号：); scanf(%d,&i); if(ai=0) printf(无需修改！); else ai=0; StudentListi.stu_num=0; strcpy(StudentL,);void Dispallmoney() printf(你想要结算费用的机子是：);int i;scanf(%d,&i);strftime(timestr1,79,%H:%M:%S,localtime(&bi);printf(the time is you start use thecomputer :); puts(timestr1); /*输出当前时刻*/ puts(press ENTER.); /*等待按回车键*/ getchar(); ei=time(NULL); printf(the time you end use the computer ); strftime(timestr2,79,%H:%M:%S,localtime(&ei); puts(timestr2); /*输出当前时刻*/ printf(the time you use the cmputer=%d min,(ei-bi)/60);/*输出时时间隔*/ printf(the money you should pay=%f,(ei-bi)/3600.0);void Show()int i; printf(n); printf(机号t姓名t学号ttn); for(i=1;i81;i+) if(ai!=0) /判断标准，检索到则输出 printf(%dt,St