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algorithms in simple data structures..??

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diptojit
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PostSubject: Re: algorithms in simple data structures..?? Fri Mar 19, 2010 12:24 am

don't know.....this is the program from the sample paper....I don't think the sample question is exactly on a deque....
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diptojit
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PostSubject: Re: algorithms in simple data structures..?? Fri Mar 19, 2010 12:26 am

anyways... i checked it out and it's working fine now.....I created a main method to check it....have a look...

here's the newer version of the program....along with the main method

import java.io.*;
class chain
{ int ele[];
int cap,front,rear;
chain(int max)
{ cap=max;
front=0;rear=0;
ele=new int[cap];
}
void pushfront(int v)
{ if(front>0)
{ ele[front-1]=v;
front--;
}
else if(front==0&&rear==0)
{ ele[0]=v;}
else
{ System.out.println("Full from front");
}
}
int popfront()
{ if(front==0&&rear==0)
{ return 999;
}
else
{ front=front+1;
return(ele[front-1]);
}
}
void pushrear(int v)
{ if(rear==cap-1)
{ System.out.println("Full from rear");
}
else
{ ele[rear+1]=v;
rear++;
}
}
int poprear()
{ if(front==0&&rear==0)
{ return 999;}
else
{ rear=rear-1;
return(ele[rear+1]);
}
}
void display()
{ int i;
for(i=front;i<=rear;i++)
{ if(ele[i]!=0)
{ System.out.print(ele[i]+" ");
}
}
}
}
test class :-
import java.io.*;
class test
{ void main()throws IOException
{
chain obj=new chain(10);
obj.pushfront(5);
obj.pushrear(Cool;
obj.pushrear(13);
obj.display();
System.out.println();
obj.popfront();
obj.display();
System.out.println();
obj.pushrear(1);
obj.display();
System.out.println();
obj.poprear();
obj.display();
System.out.println();
}
}
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G-7
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PostSubject: Re: algorithms in simple data structures..?? Fri Mar 19, 2010 12:27 am

yea..there is no application for deque for us to study... jus the theory... jus superficial...! but i like to do it cuz itz challenging... maybe we can do a code during the holidays.!
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G-7
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PostSubject: Re: algorithms in simple data structures..?? Fri Mar 19, 2010 12:30 am

nay.. a small bug still there...try poppin from the front...after pushing front...!
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G-7
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PostSubject: Re: algorithms in simple data structures..?? Fri Mar 19, 2010 12:42 am

All the best everyone....may God help u and also me.. Very Happy

I'll pray thay every one of us can get good marks and w can do the xam very well..!!

G0od night everyone..!

ALL IZZ WELL...!!!
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