Questions tagged [homework]

Questions requesting help with school homework. This tag lets potential answerers know that they should GUIDE the student in solving the problem, rather than showing a complete solution. CAUTION: Before posting, consider that classmates may be tempted to reuse code from your post. (Read the tag wiki.)

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735 views

Predicting the next pseudorandom value

The archived material for the Stanford University course on cryptography at coursera.org includes a problem where you have to predict the next output of a weak PRG. It can be briefly restated as ...
1k views

Test a number for primality and return smallest divisor different from 1 if it’s is composite

In this exercise we were asked to test a number for primality and print the results. Additionally – in the case the number is composite – the smallest divisor different from 1 should be printed out. ...
575 views

Counting Fermat witnesses and liars

We were asked to implement a program that calculates the number of Fermat witnesses and liars for odd numbers greater 1. This involves Fermat’s little theorem. Fermat’s little is used to identify ...
13k views

Rounding and formatting hours, minutes, seconds as HH:MM AM/PM

I have a program which is supposed to convert standard time to traditional time. (e.g: 15:24:31 = 3:25PM [rounded seconds]) I would like for someone to error check my code for me as well as give me ...
4k views

Entering two integers and returning a decimal fraction

After a couple of small programs in Python we are now asked to do some basic stuff in Java. I don't really know where to start to improve this and whether it's even necessary. This is an exercise, so ...
42k views

Count occurrence of words in a .txt file

I'm taking an intro to programming class and although I've learned some things I didn't know before (I've been using Python for about 1.5 years) I feel like I've not progressed much in writing "...
4k views

Converting fractions to mixed numbers

I've been making a program for an assignment that converts fractions to mixed numbers, and I'm done, but I was wondering if I could simplify it in any way, since it seems quite complicated right now. ...
2k views

Counting Words in Files - MATLAB style

For my Matlab class I'm taking, I was given the task to write a function ReadAndCountWords that takes in the name of a text file (specifically from this zip file) ...
2k views

Make a dict class from scratch in Python

Here's the API my teacher assigned: and here is what I came up with: ...
2k views

Database assignment with MySQL and Swing

I have completed this assignment from Stanford CS108 on MySQL and Swing (it's part B). It would be wonderful if someone could point out my weak spots in the code and overall design. I have uploaded ...
10k views

Calculate employee wage

This is for a class assignment. The objective is to write a program that will take in user input for employee information and print the wage based on hours worked. Please review my code. ...
6k views

Is it Friday yet?

This is the first program that I have written in my C++ saga that I actually think is useful. The description for this assignment is kinda long and mundane though: Write a program that inputs a ...
53 views

Filter by a transformed list, then untransform the result

Both exercises have a common pattern of "filter by a transformed list, then untransform the result". See skip and localMaxima. <...
4k views

Applying scalar multiplication to matrix

This is one of my first programs in C. Please review and help me improve it. I create a matrix and apply scalar multiplication on it. Then I print the result. ...
15k views

This is for my intro level C++ class. This is the assignment: Write a program that displays a takeout menu from which a user can place an order. The program begins by displaying the menu and ...
41k views

Output digits of a number

This is a simple C++ program I had to write for class. It prompts the user to input an integer and then outputs both the individual digits of the number and the sum of the digits. How do I improve ...
1k views

User input for student grades is too verbose

I need some help with this beginner C++ program (it's an assignment). How can I use a single variable and make the program get the six inputs I need instead of using a variable for each input? ...
284 views

Compute the number of molecules

I would like my program to be reviewed. I had to write a simple program that calculates the number of molecules in a hydrocarbon. 1 carbon atom has 12 AMU. 1 hydrogen atom has 1 AMU. ...
2k views

Computing the average of several numbers

I am learning C++. This is a simple program I had to write for class. Is there anything I should fix? ...
2k views

Isn't this Interest-ing?

This is the fifth project in my CS1 class. It's a bit more drab than my past projects, so my titles are getting worse unfortunately. :( Write a program that ...
5k views

Doubly circular linked list implementation with successive update in O(1)

For the queries mentioned in link in 3 parts, the first two parts have been addressed, as mentioned below: Part I (6 points) list/DList.java contains a skeleton of a doubly-linked list class. Fill ...
1k views

Dollar value of coins and calculating interest compounded annually

I've made this program to do a few integer calculations. Do the methods for converting the numbers look good? Do you have any other basic tips? ...
143 views

Forming output of lines based on input

I have homework, in which I get number of cases and then four numbers. Each number tells how many rows there are in each column For example: 2 2 3 3 should be ...
3k views

The Term-inator: Pi edition

The fourth project, continuing my C++ saga with terrible post names. :P An approximate value of pi can be calculated using the series given below:  \pi \...
640 views

Interprocess Communication in a Farmer-Worker setup

The following code is my first C program I have made for an university assignment about Interprocess Communication. This involved creating a parent process, the farmer, and then creating a certain ...
5k views

If she floats then she is not a witch like we thought

Continuing my C++ saga, this is the third project for my CS1 class: Buoyancy is the ability of an object to float. Archimedes' principle states that the buoyant force is equal to the weight of ...
1k views

Binary HeapSort and Ternary HeapSort implementation

This is my take on binary and ternary heapsort implementation for a university assignment. The code works but I wonder if there are any mistakes or things to improve. ...
5k views

Fractions in Java [closed]

Part I-IV recommend code changes as mentioned in link 1, for the initial code given at link 2. Can you please review the code changes for Part I-IV? Part I: Constructors (1 point) Modify the ...
3k views

This is an assignment given in my C++ programming class. I have one main menu with four other menus branching out from it. I would like to make my code as clutter-free as I can, so please review ...
4k views

Living off of chocolate

This is the second project for my CS1 class, this time I'm actually getting it reviewed before I submit it ;) The Harris-Benedict equation estimates the number ...
2k views

Checking for palindromes using dynamic memory allocation

This is a homework assignment, but it's already done and it's not for a grade; it's meant as a refresher for the rest of the course. I've never done anything with dynamic memory allocation in C before,...
2k views

Classes for acquiring employee information

I'm looking for a review on the following classes and the comments I applied (class assignment): ...
29k views

Infix to Postfix Converter Program

This is my homework. Kindly help me check it? The instructions are: Implement an infix expression to postfix expression converter. You are to implement the infix to postfix algorithm presented in ...
2k views

Caesar cipher cracker

How can I refactor this with less code? This is homework and is cracking a Caesar cipher-text using frequency distribution. I have completed the assignment but would like it to be cleaner. ...
2k views

Finding the longest Collatz sequence cycle

I wrote a program to calculate Collatz sequences for initial numbers between 1 and a given integer i, then find the one with the largest cycle length. My code is ...
20k views

Yahtzee game (using arrays and object classes)

As part of an assignment for my intro Java class (please bear with my beginner skill set), I'm working on a program for which a Die object class is used to play a Yahtzee game. An overview of the ...
1k views

Text Analysis web page

For a homework assignment, I made a web page that has a text area. The user inputs some text, hits the analyse button, and the output is supposed to be a list of the frequency of words of a given ...
595 views

This is my first real web project and I have never touched JavaScript (barely touched CSS), so I just skipped that and went to dart for fun. Here's a live demo The code for the dart file is down ...
7k views

Depth First Traversal of a Graph

I am learning how to implement a basic undirected graph and perform a depth first traversal. Please critique my code for correctness, best practices, security, and any other comments that may be ...
2k views

Pascal triangle algorithm is good but fails

I have created a function which returns the number that corresponds to the given row and column from the pascal triangle. I have used the formula for this: n! / r! * (r-n)! The code: ...
209 views

Determine how many bits are in a floating point value [closed]

I'm writing a program which determines how many bits are in a floating point value (this will be run on Unix). ...
51k views

Java implementation of spell-checking algorithm

This little program was written for an assignment in a data structures and algorithms class. I'll just note the basic requirements: Given an inputted string, the program should check to see if it ...
814 views

Winning Loop Connect 4

I am writing a fully functional single player Connect 4 game. I am working on the second player and the while loop that tells the player who won. GUI ...
45k views

User input and reading contents of file

For full disclosure: this is an assignment for my programming class and I just want tips or advice on some of the code. Assignment details just for background information purposes: Write a program ...
50k views

Bank ATM program in Python

For homework, I have to code a program in Python that effectively simulates a bank ATM. ...
2k views

Basic Calculator

I'm in a beginner JavaScript class and I feel like I have a pretty good grasp on all the intro material. All of my homework assignments work but they seem longer than they have to be, especially my ...
21k views

Pass an array of numbers into a method that's overloaded

I'm doing my homework and it says to write a test program that prompts the user to enter ten double values, invokes this method, and displays the average value. I was able to get this program working ...
3k views

Dictionary brute force on DES encrypted passwords

For a school project I am tasked to decrypt DES passwords. I have sample code provided below and I want to know if this is the best method. Also should I code in error handling for the dictionary ...