?? 4_31.cpp
字號:
# include<iostream.h>
# include<string.h>
void bsearch(char*list[],char obj[],int len)
{
char** low,**high,**mid;
low=list;
high=list+len-1;
while(low<=high)
{
mid=low+(high-low)/2;
if(strcmp(*mid,obj)<0)
low=mid+1;
else if(strcmp(*mid,obj)>0)
high=mid-1;
else
{cout<<"Success! The sequential number="<<mid-list+1<<endl;
return;
}
}
cout<<"Unsucess!"<<endl;
}
void main()
{
char*a[10]={"aa","bbb","cccc","ddddd","eeeeee","fffffff"};
for (int i=0;i<6;i++)
cout<<*(a+i)<<" ";
char c[20];
cout<<endl;
cout<<"請輸入要查閱的字符串:";
cin>>c;
char *b;
b=c;
void (*s)(char*[],char*,int);
s=bsearch;
(*s)(a,c,6);
}
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