解释一下 这个代码 越详细越好
#include <iostream.h>#include <string.h>
#define N6
char * binary (char*s)
{static char * pstr[N]={"const","double","enum","float","signed","unsigned"};
int low,high,mid
low=o
high=N-1
while(low<=high)
{mid=(low+high)/2
if (strcmp(s,pstr[mid])<0)}
high=mid-1
else if (strcmp(s,pstr[mid])>0)
low=mid+1,
else return(pstr[mid]);
}
return(0);
}
void main()
{char*a,*find;
cout<<"输入要查找的字符串:";
cin.getline(find,80);
a=binary(find);
if(a!=o) cout<<"找到字符串"<<a<<endl;
else cout<<"没找到!"<<endl
}