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| #include <iostream>
using namespace std;
const int SIZE=200;
int main()
{
char letter;
char **p=NULL,**temp1=NULL;
unsigned int choice,create,free=0,count=0,index,i,j,k;
float temp;
bool found,first=true;
while(1)
{
cout<<"1.Enter a new string"<<endl
<<"2.Delete a string"<<endl
<<"3.Search a string"<<endl
<<"4.Print all word which begin by the letter you'll choice"<<endl
<<"5.Print all words of all strings"<<endl
<<"6.Exit"<<endl
<<"Enter your choice : ";
cin>>choice;
switch (choice)
{
case 1:if (first)
{
p=new char*[5];
free=free+5;
create=5;
first=false;
}
if (free==0)
{
temp1=new char*[create+5];
for (i=0;i<count;++i)
{
*(temp1+i)=new char[SIZE];
strcpy(*(temp1+i),*(p+i));
}
for (i=0;i<count;++i)
delete *(p+i);
delete p;
p=temp1;
temp1=NULL;
free=free+5;
}
*(p+count)=new char[SIZE];
cout<<"Enter the string : "<<endl;
gets(p[count]);
++count;
--free;
break;
case 2:
for (j=0;j<count;++j)
{
cout<<"String index "<<j<<" : "<<endl;
puts(*(p+j));
cout<<endl;
}
cout<<"What is the index of the string that you want to delete : ";
cin>>temp;
while(temp-(int)temp!=0 || temp<0 || temp>=count)
{
cout<<"Wrong value. Enter again : ";
cin>>temp;
}
index=(int)temp;
delete *(p+index);
*(p+index)=NULL;
for (i=index;i<count-1;++i)
*(p+i)=*(p+i+1);
*(p+count-1)=NULL;
--count;
++free;
if (free==7)
{
temp1=new char*[create-5];
for (i=0;i<count;++i)
{
*(temp1+i)=new char[SIZE];
strcpy(*(temp1+i),*(p+i));
}
for (i=0;i<count;++i)
delete *(p+i);
delete p;
p=temp1;
temp1=NULL;
free=free-5;
}
break;
case 3:
cout<<"Enter the string you're searching : ";
char str[SIZE];
gets(str);
for (j=0;j<count;++j)
{
found=true;
if (strlen(str)==strlen(*(p+j)))
{
for (i=0;i<strlen(str);++i)
if (*(*(p+j)+i) != *(str+i))
{
found=false;
break;
}
}
else found=false;
if (found)
break;
}
if (j==count)
cout<<"The string isn't in the board"<<endl;
else
cout<<"The string's index in the board is "<<j<<endl;
break;
case 4:
cout<<"Enter the letter : ";
cin>>letter;
for (j=0;j<count;++j)
for(i=0;i<strlen(*(p+j));++i)
{
if (i==0)
{
if(**(p+j)==letter)
{
for(k=0;*(*(p+j)+k)!=' ' && *(*(p+j)+k)!='\0';++k)
cout<<*(*(p+j)+k);
cout<<endl;
}
}
else
if(*(*(p+j)+i)==letter && *(*(p+j)+i-1)==' ')
{
for(k=i;*(*(p+j)+k)!=' ' && *(*(p+j)+k)!='\0';++k)
cout<<*(*(p+j)+k);
cout<<endl;
}
}
break;
case 5:
for (j=0;j<count;++j)
for(i=0;i<strlen(*(p+j));++i)
{
if (i==0)
{
for(k=0;*(*(p+j)+k)!=' ' && *(*(p+j)+k)!='\0';++k)
cout<<*(*(p+j)+k);
cout<<endl;
}
else
{
for(k=i;*(*(p+j)+k)!=' ' && *(*(p+j)+k)!='\0';++k)
cout<<*(*(p+j)+k);
cout<<endl;
}
}
break;
case 6:
return 0;
}
}
} |
