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Beginners - January 2016 (Page 24)

help with removing duplicate words C++

I am working on an assignment, it is to read a file, sort it and remove duplicate words and display. I got all the parts expect the removing duplicating part. ...

[4 replies] Last: Thanks a lot for this !! (by priya331)

by JenniferLostTheWar

The right approach. struct?

So lets say I wanted to have 100+ variables preassigned. So that when we want to call it we can just do something like item.value; Below would work but would...

[4 replies] Last: Yes that is what I meant or an array even (by Stalker)

by mike9407

heap

dynamic allocated memory normally stored in heap?

[2 replies] Last: That's a very unique question there. Only this forum could have answer... (by TarikNeaj)

by JenniferLostTheWar

big O notation check

So I've been trying to understand this big o notation thing. I've read about it and watched videos on it However since I'm very new to this stuff I just want to...

[1 reply] : Well it's O(bad) now because on line 21 it should be foo , not foo ... (by dhayden)

by YvngSavage

Question on how to fix my code

I have a program that asks for your username then asks for your password, when i compile it, it gives me both options of the password being correct and wrong ho...

[3 replies] Last: Hi, how could i prevent it from giving me an error saying that else... (by TheIdeasMan)

by GonlyG

"Zero" output in mortgage calculator

Any explanations for "0" output? (the program asks for a loan increasing by an annual interest rate each month, and how much the man must pay on average monthly...

[14 replies] Last: how intriguing.. the other guy's problem solved it... I guess I must h... (by GonlyG)

by GonlyG

Checksum after sorted array

After completing the bubble sort array problem (how difficult!) I moved on to a similar problem, wanting me to get the checksum after I sort the array. However,...

[17 replies] Last: hmm... I got 1299500 with that. Not sure if right or wrong. I have no... (by GonlyG)

by GonlyG

Errors in Fibonacci Sequence

Basically, it's fibonacci sequence reversed: which number in the sequence (1 to 1000) is a number in the fibonacci sequence? (As far as I'm concerned you're gua...

[18 replies] Last: huzzah! #include <iostream> #include <vector> #include <complex> #in... (by GonlyG)

by DeathLeap

Sum of even numbers in 2D array

I am trying to sum only even numbers in a 2D array. But I get the sum = 0, what's wrong with my code? why is my for loops not doing anything? #include <iostre...

[5 replies] Last: You can use at line 18: sum += arr ; (by elaleph)

by ADVANCESSSS

Are my systems thingys in c++ or binary I'm confused

Can I open programs on my HD from my operating system and see them? Are they written in code or no binary only I'mm confused lol! Brain fart sorta, even though ...

[3 replies] Last: There's simply no way to just crack open many programs, especially if ... (by Austin J)

by GuitarMan

Graph

Hello. I've got a problem here... So yea, this time i have to make a "tree" and compare few things in it. The problem is, its not a binary tree. Each parent c...

[1 reply] : struct node; struct link// Here's the problem. { int LinkID; ... (by cire)

by Captain Awesom

For and if loop problem

I want this code to execute so I get This is working and it seems pretty straight forward to me. When it runs, however, I'm caught in an infinite loop o...

[4 replies] Last: You are essentially asking if (i can be assigned the value of 1); this... (by JayBari)

by jakobfri

Sorting integers in a text file.

Hi! I'm trying to create a program which reads a text file which contains multiple names of students and their scores, so something like this: Adam - 20 Bob - ...

[3 replies] Last: Hm... my last reply disappeared into the ether. I would use a struct ... (by booradley60)

by Concordev

Help me out with this program!

- solved - - Brandon

[3 replies] Last: Thanks so much, it's a great start to go off of! (by Concordev)

by MagicKriss

Why my code doesn't work ?

Hi! I needed to write out all perfect cube numbers from interval. So I wrote the following code for (int i=m;i<=n;i++) // the interval is from m to n { if...

[5 replies] Last: Ok thank you ! I will try to find better solution. (by MagicKriss)

by code writer

Help me fix this

I want to fix this code. I want to know how to use user's input as a condition in the for loop. #include <iostream> #include <cmath> int main() { ...

[4 replies] Last: And how to print out a list that shows every year's interest? ex. 1--... (by code writer)

by dhirajpatil97

What is the function of "f"

In the code below, In the 8th row, printf ("The Total is %f",f); what is the function of third "f" which is wrriten at the end of the line ie. ,f); ...

[2 replies] Last: I think you're actually confused about the %f in the first parameter t... (by dhayden)

by ADVANCESSSS

Insight for soon-future project connecting robot's parts to the code

Hi. Well, born on Earth, and learning c++ (had to figure out what's the best language and has biggest arsenal), and wanting to build a AI code, in a real rob...

[10 replies] Last: Well that's the hard part isn't it? Look up dynamic memory allocation... (by dhayden)

by glitter

how to use BOOST_FOREACH for map container

Hello every one, I would like to know how I can use BOOST_FOREACH for map container. if the map format is like : std::map< std::string, std::set<int> > how I c...

[7 replies] Last: however the below code works too. Yes. It works.. if you want to m... (by cire)

by daym

Some questions

Hello, I'm a beginner, I'm fairly 14 years old, almost 15. I've started to learn C++ lately and yeah, no doubt I find a lot of difficulties I'm pretty noobish a...

[1 reply] : The windows operating system is something you can talk to in your code... (by Moschops)

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