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Beginners - October 2013 (Page 33)

Passing Data Between Classes Using Pointers

I am having the darnest time passing data between two classes Okay, so I have two classes, Class A and Class B. Class A generates a number, say 3.14. It then ...

[2 replies] Last: Yeah I realize that the code is weird. To be honest I didn't really pu... (by Mobius1)

by MohamedDZ

files & bin trees

Hello c++ programmers I need to know more about: 1- files "read & write in same time" 2- binary trees so I would you give me some codes to understan...

[1 reply] : Hi there, For more information on reading and writing to and from fil... (by closed account o3hC5Di1)

by Henry7747

touch up trouble

I am trying to finish my c++ program. however I have hit a wall. I am reading in a file sorting it. Then every time the team name changes there needs to be a...

[1 reply] : Hi there, Please be a little more specific about the problem. Are you... (by closed account o3hC5Di1)

by dhull01

Finding Squares of N random integers

Hi, I just started programming a few weeks ago, so I'm and having some trouble with loop structures and random number generators. Sorry if the question seems te...

[1 reply] : Hi there, You need to seed the random number generator. This page has... (by closed account o3hC5Di1)

by navig8tr

Convert binary bitset to hexadecimal

Is there a simple way to convert a binary bitset to hexadecimal? The function will be used in a CRC class and will only be used for standard output. I found ...

[1 reply] : Hi there, You could output it to a stringstream, then convert it to a... (by closed account o3hC5Di1)

by trevormoon

Determine if a relation is symetric

Hello all I am having trouble writing a function that will determine if a relation is symmetric. Any tips as to what I am doing wrong would be greatly appreciat...

[no replies]

by max v max2

problem with if

it dose not work !! the program must determine if the number is perfect or not #include<iostream> using namespace std; int main () { int a,b,c=0;...

[2 replies] Last: thanks alot my friend (by max v max2)

by halamaker

Pointers and Functions with Arrays

So, I think I've got this mostly figured out but I'm receiving two error codes when I attempt to compile this code. The assignment specifies that we are not to...

[3 replies] Last: Alrighty I've worked with it some and got the 2nd pair of functions to... (by halamaker)

by menewbie

Reading Binary File

Hi Everyone! I have the file "timelog.dat", which is a binary file with measure data from different sensors Called A, B, C etc and Each measure data is stored a...

[5 replies] Last: Once you have got the input fixed (see Chervil's post above), the rest... (by JLBorges)

by stuckinthehouse

Easy Question...

The question is ... Assume that qty and salesRep are both integers. Use a type cast expression to rewrite the following statements so it will no longer perfo...

[11 replies] Last: Hi there, Please create separate topics for unrelated problems. As fo... (by closed account o3hC5Di1)

by SarahD

dayType

well our dr. gave us this home work annnd i have a problem in calculating the days soo here's the Q and how i solved it and please tell what's wrong. -------...

[3 replies] Last: well i thought about that, but first i want to make sure that everythi... (by SarahD)

by sumsar

problem with a function.

I'm trying to make function that returns a pointer to a random string. But i get a compiler error on line 13. const string chartabel = { "qwertyuiopasd...

[2 replies] Last: password is an array of strings. the first element of the array is ini... (by tipaye)

by coolguy67

Inserting new nodes into a binary tree

I am trying to write an algorithm to insert new nodes into a binary tree. My program crashes and I can't figure out why. My logic and syntax seem correct. Any h...

[2 replies] Last: Yeah, you have no root :-) Also, you meant to use the comma (,) not s... (by tipaye)

by chickens7

passing arrays to constructors plz help

Hello, I have this programming challenge that has stopped me dead in my tracks; hopefully someone can help :) The code is supposed to take two arrays (one strin...

[3 replies] Last: Wow, I feel silly for putting that up here now lol, thanks alot! (by chickens7)

by Ausha

Find prime numbers between random numbers (1,2)

Hi! People here are talking a lot about prime numbers, but i just couldn't find the right answer. I need to write program, that generates numbers from 1 to a (a...

[25 replies] Last: [quote=GRex2595]I don't program in C++ to necessitate a paid upgrade, ... (by MiiNiPaa)

by Gacsam

While problem

Hello again, I'm having a little problem with a while statement. Everything works perfectly fine, as long as the "begin" integer in "cin >> begin" is a number/d...

[1 reply] : I have figured it out, instead of "int begin", I have used "char begin... (by Gacsam)

by Guzfraba

Pointer to pointer and bidimensional arrays.

Hello :) I've got three questions,could you help me please? 1.Why isn't this working ? int arr ; int** ptp=arr; If an array is a pointer, shou...

[3 replies] Last: 1) It is not working because they are not type-compatible. You are try... (by Duthomhas)

by coolguy67

Writing a Delete algorithm in an ordered linked list

I am trying to write a delete algorithm for an ordered linked list. Search and traverse I think I have down but delete is giving me fits. It crashes every time....

[7 replies] Last: Right, I hadn't refreshed the page to see your comments in a while. A... (by Stewbond)

by akimo360

Help with basic calculator.

I've been trying to make just a basic calculator. The problem is at line 33 where i expected WriteAnswer to write the variable 'ans' but it did not. What am I...

[2 replies] Last: More changes in bold : #include <iostream> using namespace std; i... (by Stewbond)

by antwon128

number sequence problem

I've been trying this number sequence problem for a while now. The program is supposed to test for numbers that are divisible by 2,3, and 5. Then the 1501st num...

[4 replies] Last: Woops... looks like I forgot to replace the x's in the for loop: Chan... (by Gaius Baltar)

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