运用C++二分查找编译此题

在下表中查找学号为“98182”的学生信息

	学号	姓名	性别	籍贯	出生年月
1	98131	刘激扬	男	北京	1979.12
2	98164	衣春生	男	青岛	1979.07
3	98165	卢声凯	男	天津	1981.02
4	98182	袁秋慧	女	广州	1980.10
5	98203	林德康	男	上海	1980.05

答案：#include<iostream>
using namespace std;
class student
{
public:
 int num;
 char name[10];
 char 易做图[4];
 char addr[7];
 char date[8];
 friend int search(student s[],int n)
 {
  int x=98182;
  int front=0,end=n,mid=(front+end)/2;
  while(front<end&&s[mid].num!=x)
  {
   if(s[mid].num<x)
    front=mid+1;
   if(s[mid].num>x)
    end=mid-1;
   mid=front+(end-front)/2;
  }
  if(s[mid].num!=x)
   cout<<"没有找到";
  else
{
   cout<<"找到了在"<<mid+1<<"位置"<<endl;
   cout<<s[mid].num<<" "<<s[mid].name<<" "<<s[mid].易做图<<" "<<s[mid].addr<<" "<<s[mid].date;
 }
 return 0;
 }
};
int main()
{
 student s[5]={98131,"刘激扬","男","北京","1979.12",
        98164,"衣春生","男","青岛","1979.07",
        98165,"卢声凯","男","天津","1981.02",
        98182,"袁秋慧","女","广州","1980.10",
        98203,"林德康","男","上海","1980.05",};
 search(s,5);
 system("pause");
}