C++随机点名生成器实例代码（老师们的福音！）

#include <bits/stdc++.h> 
#include <conio.h>
#include <windows.h>
static const int MAXN=101;//limit
using namespace std;
struct Information
{
 char name[MAXN];
}stu[MAXN];
bool vis[MAXN];
FILE *fp;
int num,cnt,randnum;
char ch,filename[MAXN],line[MAXN];
inline void copyright()
{
 puts("Program Name: Random Name.\n");
 Sleep(1000);
 puts("Design By:BeyondLimits.\n");
 Sleep(1000);
 puts("All rights reserved.\n");
 Sleep(1000);
}
inline void input()
{
 puts("Please input the file name of the name list.\n");
 gets(filename);
 fp=fopen(filename,"r");
 puts("Everything is ready.\n");
}
inline void work()
{
 while(fgets(line,sizeof(line)-1,fp)) if(line[0]!='\n'&&line[0]!=' ') sscanf(line,"%s\n",stu[cnt++].name);//input information
 srand(0);
 puts("Press Space to get a random name or press any other key to exit.\n");
 while((ch=getch())==' ')
 {
  randnum=rand()%cnt;
  while(vis[randnum]) randnum=rand()%cnt;
  vis[randnum]=true;
  printf("%s\n",stu[randnum].name);
  if(++num==cnt)
  {
   puts("Program has been exited.\n");
   puts("Thank you for your using.\n");
   return ;
  }
 }
}
int main()
{
 copyright();//copyright announce
 input();//input file name
 work();//main work
 return 0;
}