Beginners - C++ Forum - September 2017 (Page 13)

by CallOfTheCoutulu

Trouble with bubble sort and pointers

In the code below, everything I've done is working as expected, except for the function named sele...

[6 replies] Last: however, that's not bubble sort. for (j = i + 1; j <= end; j++) {... (by ne555)

by CapitalJeep

Why does this loop? (probably stupid simple--but I cant think it through)

Writing a program that simply converts time. Have the program written and it compiles just fine--how...

[2 replies] Last: Andy, Thank you! Sometimes I just have to shake my head at myself (... (by CapitalJeep)

by Mehari belay

linked lists

need for more explanation about linked lists and how they work? thanks!

[2 replies] Last: You might find Section 3 of this to be useful too: https://www3.ntu.ed... (by closed account 48T7M4Gy)

by zeviah5

3x3 complex matrix (1,2)

I am new to C++. I am trying to read a 3x3 matrix from a file then needs to find eigenvalues and eig...

[33 replies] Last: @zeviah5 The methods I used are for dense matrices. If you have matri... (by lastchance)

by Icyblizz

Exercise Explication

Hello guys, Exercise: Implement a sort function that takes a vector of pointers to an interface...

[2 replies] Last: Thank you for making the definition of interface in C++ clear to me.... (by Icyblizz)

by sezo

need help with output on assignment

Object oriented C++ course. Still learning the ways. This is the assignment http://venus.cs.qc.edu/~...

[9 replies] Last: @sezo I had to add a little more to your program, but it works now. ... (by whitenite1)

by closed account 9EU9z8AR

Help make this better!

Hello, this is a simple Roman Numeral Converter It works too! However, it displays weird numbers if...

[2 replies] Last: also did you mean move main to the top of the program? yes, you can do... (by jonnin)

by bluefrog

vector size() argument ?

I tried doing this earlier: void ftnode_client::fetch(std::size_t start=0, std::size_t end=v_resu...

[4 replies] Last: got it working i understand the theory of templates, but struggle wit... (by bluefrog)

by CameronStevenson

Question about classes with other classes as member data.

I am currently trying to make my way through this book "Sam's Teach Yourself C++ in 24 hrs" and am c...

[8 replies] Last: Ah I see, I think understand these setter functions now. I think this ... (by CameronStevenson)

by MulStudent

URGENT ! Need help with my assignment. need to pass up in 8 hours pls pls help

Write a C program that displays menu as shown below: Menu 1. Calculate Grade 2. Multplicaio...

[19 replies] Last: Wait. This is C++ program rather than C. also it uses c++11 features. ... (by codehelper)

by boere1337

variable vector sequence

I’ve started to learn C++ a couple of weeks ago and it’s been going quite smooth. Right now I’...

[2 replies] Last: std::cin >> iterations std::vector <int> sequence(iterations); ... (by ne555)

by Kappa

Calling a value from a class to a different class

So as the title says, is there a way to call a value of a class user defined function to another cla...

[2 replies] Last: Forgot to reply.. thanks keskiverto!! i actually got it! (by Kappa)

by MrMou6

double variable

Hello, how I can do that double variable shows only 2 numbers after dot let say: 20.00 not: 20.00000...

[2 replies] Last: side note but money is often an integer and often 1 is the smallest cu... (by jonnin)

by von1997

Attempt at bubble sorting

trying to sort through an array and find the largest stored value. void findHighestGrade(Student...

[2 replies] Last: How many times do you increment j between lines 17 and 20? (by lastchance)

by andreigabriel

Generating and Sorting numbers.

Hello. How can I generate 1 million random numbers and sort them in c++.Can I use a vector to sort t...

[10 replies] Last: Sometimes, you just want some numbers, and that is all you need. ht... (by closed account 48T7M4Gy)

by GSid

isdigit in a simple for loop

Hey I am trying to create a program that uses isdigit in a for loop to make sure the input is a dig...

[7 replies] Last: This do you? The previous one is simpler. #include <iostream> #includ... (by lastchance)

by HDD Purple Heart

Question about Exception.

I'm trying to make an exception here to limit 9 characters and the program errors. Am i doing so...

[2 replies] Last: > Am i doing something wrong? Yes; using exceptions for control flow.... (by JLBorges)

by phongvants123

help me...i'm beginner

why does it say "both ID and PASSWORD are WRONG " eventhough i write id=1,password=2....i thought it...

[2 replies] Last: i got it now...appreciate that....good man :) (by phongvants123)

by Bronislaw

Reading txt file into 3d vector

Hi people, is it possible to read a txt file with 3 different delimiters (,;#) into a 3d vector of ...

[3 replies] Last: another approach might be to: (a) read file line-by-line into std::str... (by gunnerfunner)

by MrMongoose

I need to write a Program for My Programming class but I am stuck

The Program is supposed to repeatedly prompt the user for the three coefficients values,a,b and c, a...

[3 replies] Last: My professor wants us to only use ints or floats in this project as t... (by mbozzi)

Beginners - September 2017 (Page 13)

C++

Forum