[queue] Forum Topics

dear programmer A pharmacy needs to automate drug inventory management system. Every drug has chemical Name, Chemical Composition, date of manufauturing, expiry date, and courtry of origin, quantity, category and others. the pharmacy has a policy to dispose expired drug before use. however, it is not an easy task to …

Hi All, Can any on guide me in the logic / algorithm to implement 2 stacks using one array and a queue using 2 stacks. I need this very urgently. Thanks in advance. Komala

i am problem in codeing in 3 program in Visual. they are 1. "For a given number of people, write a program to simulate Joseph's problem. (You must use circular queue maintained using double link list.)" 2. Write a program to sort a set of points using Merge sort of …

Winbatch, I have another Q for you. I have the whole project compiling but I am stuck with displaying all the Customer details from the Q. I can pass the Class Object "Tim" to the Queue with various details but I need to write these to a file when I …

Dear All. Basically I am having trouble passing my class object to myQueue. I know my Queue works as I had it working for Integers and Charachters but after approx 25hrs over 4 days I still can not get my Object to store in my Queue. Any and All help …

Hey.. Can anyone please help me? I am trying to write a round robin scheduler and so i decided that if i got a fcfs scheduler, then all i would have to do is change the process from completing in the processor to it just going into the processor for …

[B]hi alll am a new member of this this amazing community and feel good to be part of it.i required help regarding simulation of multilevel feedback queue.i have checked many samples of scheduling but couldnt got right...so can any body help me?? code of this simulation should be in c/c++ …

I have three doubly linked list queues and I need to sort them based on a variable that each object has namely its job length. I am attempting to code for a shortest job first processing program. I already have most of the program complete but now I need to …

Just wondering if you would help me in my assignment, I've started on them. I've done most of it except the following three questions. (1) Any flight can be brought to the front of the queue ready for deleting (landing) For example if the flight is in the back, we …

[B] (1) any flight can be brought to the front of the queue ready for deleting(landing) (2) any flight can be diverted to the back of the queue for another airport if the first airport is busy or on runway closed due to an accident. (3)in the flight ID, there …

at the moment this is a stack of queue, i am trying to make it into first in first out, (FIFO) , can anyone help. thank you very much [code] #include <iostream.h> #include <stdlib.h> const int STACK_SIZE = 6; const int NIL = -1; const int LAST_ELEMENT = STACK_SIZE - …

Hi Guys, it's me again! I have been posing memory-related problems for the past few days because I don't seem to understand what is the problem with my code. I kind of figured it's due to memory issues....so here's my question. Suppose I have a (first in first out) queue …

I have a first-in-first-out queue implementation such that when it is first initialized, a malloc is called to set aside memory for items that will be placed on the queue. When I am done with the queue, how do I free up the memory? My code for the queue is …

I posted earlier for help with this and someone gave me a good clue and I worked with it but I am still boggled. I have been working on a couple different ways to accomplish this but have come up with nothing right yet. I am close but still need …

Does anyone know how to stop a Java thread? I am not very familiar with Java and am not really sure exactly what I am doing. I have to create the necessary classes to facilitate an indirect blocking and non-blocking communication environment between threads (producers and consumers) using a bounded …

I am trying to make this queue right now that uses elements in an array to increase the appointment time for a queue. Only problem is I don't really know how to get each individual element from the array to add it to the queue. I thought I could just …

I have to write a program where the input is a Boolean Expression and the ouput is the corresponding sum of minterms for that particular expression. My idea is that i need to convert the infix boolean expression to a postfix expression. From there I need to construct the truth-table …

1)UNIX operating system uses [B]Round robin Time slicing with multilevel feed back.[/B] Assume that there are [B]10 processes [/B] waiting in a queue which is implemented as a [B]linked list of PCB’s [/B] ( process control blocks). Assume the PCB have information about [B]Process ID , CPU burst time required …

Hi.. I made two codes in C language. One of them is a [B]Dynamic stack [/B] and the other is [B]Dynamic queue[/B]. They are working correctly but I had one problem In both of them. The option 3 in Dynamic Stack [B]code [COLOR=DarkRed]doesn't display the topic in order[/COLOR][/B]? This problem …

hello there ....can someone help me solve my problem of my assignment....i try to code it....so I need some guidances ... This is the question... An operating systems uses shortest job first scheduling for it’s process management. Assume that there are 10 processes waiting in a queue which is implemented …

Ok, I have three queueus, MM, FP & TXT. Each of them contain objects which have variables associated with them. How do I access any of the variables that the front of my Queue points to? For example, I am trying to print out the name of the item that …

HI guys, This code dosn't compile, I think it is right but it gives an error when i use the -> to access the members of my struct. #include <stdio.h> #include <stddef.h> #define MAX_EVENTS 100 //Structure for Queue Elements struct Event { int event_type; int time_value; int bus_num; int bus_stop; …

Hi… Please I Need To Know How can I Display All The Topics Which I Added By Sorting In Option 3? I Programmed The Option (Case3) 3 To Display All Da Topics but I Need To Put Them In Order. Please Can Anyone help me In Adding The Code In …

please help me, am confused in the memory bit, all i want is 32 k memory free and each time i add something and run it, it will say for example 27 k memory left how to i make this program only have 32 k memory, for example At the …

i need some help, is there a program which will only have let say 40k of memory, for example a program that will use queues, when you enter a number it will say you have use 10 k memory , please someone help so me a example, please

hello.. me and my groupmates are currently taking up assembly language programming course.. as a final requirement in our laboratory course, we are asked to choose one out of four machine problems to solve... we are desperately in need of help because we do not know how to solve the …

Each job had: • a name ( up to 8 letters) • a unique job number ( first job 1, second 2 and so on) • a priority 1-5 • memory requirement ( multiples of 4K, max 16K ) • programmer - name, extension prog1 Your job is to create …

hello, i just start learning java.please solve my following problem: Q: Write a simple program that allows a user to push up to ten names onto a stack as well as popping them off the stack. [B]my code is:[/B] import DataStructures.*; public class StackDemo { public static void main(String[] args) …

hi every body can any one help how to start with this project using the c++ ADT class ,write aprogram that simulates the operation of telephone system that might be found in asmall business, such as your local pizza parlor.Only one person can answer the phone(aingle server queue). but there …

hi , i need a program for tollbooth simulation using arrays implementing queues in C++. can some one please help me out. prashant

I am having a very hard time trying to solve this problem.Here are the instructions to the assignment: Implement a Priority Queue using a heap. The heap should be implemented as a class that has a private member which is an array. The array is statically allocated and the size …

ok, im trying to figure out this simultaneous process assignment ... i got it finished, runs fine for the most part, but 2 of the processes dont process.... the code: [code] #include <stdio.h> #include <stdlib.h> #include <pthread.h> #include <semaphore.h> int numof_bridgecars = 0; int northID, southID; //semaphore declarations sem_t north_s, …

I have design two program and both have errors on it. the first is supposed to handle queue on integer, double, string and date. I have done for integer and double. When I compile it there was error on it. If you can just help me debug it and i …

I need help writing a program using a character Queue. I am using the Queue to determine if the two sequences of characters are the same as each other. Also I have to implement my character Queue as a linked list (using Nodes). Can anyone out there help me write …

Here is what I have #include <iostream.h> int main() { int i, total[3]; int myValue[3][3]; myValue[0][0] = 53,000; myValue[0][1] = 5; myValue[0][2] = 1; myValue[1][0] = 89,000; myValue[1][1] = 3; myValue[1][2] = 2; myValue[2][0] = 93,000; myValue[2][1] = 3; myValue[2][2] = 3; for (i = 0; i < 3; i++) …

I gotta write a program that reads a file and determines a customers priority number. The program then builds a priority queue using hte priority number and prints the list of people waiting. Here is what I have so far int main() { int myValue[3][3]; myValue[0][0] = 53,000; myValue[0][1] = …

i havent been able to find anyone to help me .... i am looking to create a queue .... i cant use a stack, as that is LIFO (last in, first out) ... but i need a FIFO (first in, first out) .... i have some code for a stack …

C++ - deals with list Assginment given: Consider a slight variation of the pointer-based implementation of the queue ADT. In this variation, the queue uses a circular linked list to represent the items in the queue. You must use only a single tail pointer. Construct the implementation of such queue …

I asked this before but didn't get an answer so I went to talk to my "professor" and he just about made me want to quit programming :( . So a little help would go great lenghs to salvaging this day. Basically I have to right a program that reads …

Hey Everyone Right now I am writing a file that needs a queue defined as a class. The queue has a function called 'front' that should return a reference to the front element of the queue. Needs to be a reference so the element can be altered. Bloc is a …

Hi... This is my first post in here... here goes... I'm stuck at trying to understand how does round robin work. I understand that round robin is an algorthim that allocates an amount of timeslice to each process to provide a best possible fair allocation of CPU processing time. Each …

desperate need in help on how to do this! To design a class model to represent a simple air traffic controller scenario. Itz not necessary to consider any specific implementation details Air traffic control system: which organises and regulates the process of landing aircraft at an airport. The system has …

We are installing a Pharos Uniprint setup here on campus. We have just switched to Active Directory authentication as well. I have had to make some adjustments and add some .plist files to the System folder to make our defaults work. The problem I am running into is that I …

I have read about the asp.net worker process but I am not very clear about the same. I have read only one worker process is created for every processor. But, they have also specified that looking into the performance of the worker process, a new worker process is created if …

Hi everyone, I've recently been having a problem with my current program. I've gotten it to work so that I can enter a word in and it will check the word to see whether or not it is a palindrome by methods of stack/queue. eg. dad "Dad is a palindrome" …

Can anyone tell me why, after running a script is supposed to send over 15,000 emails, the email goes directly to C:\Inetpub\mailroot\Badmail without sending the email?? In the past after running the script I would be able to view the email in the Queue folder. However, that was way before …

So, in my spare time I'm working on a little OpenGL particle engine. I'll give this little guy it's own website and release the source code in a week or so. It's written in 100% C... it's quite ugly right now, but I hope to fix it up. The capabilities …

ok im trying to change this from link list to a queue.bt whenever i run it it sill shows from last to first which is the opposite from what i want.here it is, i hope somebody can try to see whats wrong with it. #include<iostream.h> #include<conio.h> struct queue { int …

Anyone know why the following message comes up when I send a message to a person. "[font='Times New Roman'][i]The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'XXXXX@msn.com'. Subject 'Test', Account: 'D_ e and P__a D____s', Server: 'smtp.comcast.net', …

[b][size=2][color=#7f0055]hey guys i need some help, i posted my assignment and also the code i have so far, i'm almost done i just don't understand how round robin part works. Write a fully documented class named Simulator that contains the main method that will simulate the system. [b]Your method should …