
please wait
by vitcal
Reshape vector
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Hi, my task is to reshape a vector in order to build a matrix. In particular, let say i have a vector of n elements. Knowing that the number of element n = a*... |
Jan 30, 2018 at 5:41am
[10 replies] Last: > to reproduce something like matlab's reshape boost::multi_array doe... (by JLBorges)
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by Millet
Homework
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I can't get the below code to compile and run, I keep getting a LNK2019 error in visual studio. Does anyone know why this is? The goal for this question is to t... |
Jan 30, 2018 at 5:02am
[7 replies] Last: It doesn't print anything because the code fails to compile. (by closed account E0p9LyTq)
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by Houdinicat22
Personal project: else/if statement problem
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Hello, This is just a personal project and the problem is when ever "rtd" equals to 10 I get both of the if and else statement text is put onto the display, I j... |
Jan 30, 2018 at 4:31am
[3 replies] Last: Look at line 38. What's wrong? Multiple problems with it. (by closed account E0p9LyTq)
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by zeffoster
Help With Average
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I have been doing this project for an assignment and every time I run it with any 3 numbers as the grades, the average comes out as a huge negative number, as i... |
Jan 30, 2018 at 2:17am
[3 replies] Last: You're welcome. I highly suggest using what's called a "debugger", whi... (by Ganado)
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by CrixStixs
HELP!!
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Hey all, hope you are doing good. I have a question to ask and it has been bothering me for a while now and I can't seem to figure it out. So i decided to creat... |
Jan 30, 2018 at 1:31am
[3 replies] Last: Yeah, something is really wrong with my logic, but thanks so much joe8... (by CrixStixs)
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if/else only giving else cout message |
I'm very new to c++ and I was told by a lecturer to experiment with it at home, I'm using the if/else statement but no matter what is types i am getting the els... |
Jan 29, 2018 at 10:33pm
[2 replies] Last: that seemed to work thank you so much! (by Alldeezwaffles)
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class and overloading operators |
Hello guys, i am new here and just have begun to programe a little bit so there is something i dont understand i hope you guys can help me with it: its abot a... |
Jan 29, 2018 at 8:54pm
[3 replies] Last: One way to do it is declare friend ostream& operator<<(ostream& oss... (by jlb)
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by RKirsch
Giving an array in form of pointer to a function as parameter
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Hello guys, I need to give an array to a function. Different functions will give this function arrays of different sizes, so i decided to take a pointer. He... |
Jan 29, 2018 at 8:52pm
[4 replies] Last: @ jlb, Also size_t is an implementation defined unsigned type, usual... (by Handy Andy)
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by Zoren
How to use do while loop to display menu?
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Hi everyone! I'm new to C++ and this is what I coded in the last few days: #include <iostream> using namespace std; int main() { int choice ... |
Jan 29, 2018 at 6:10pm
[6 replies] Last: Hello Zoren, This is something I like to do. See if it meets what you... (by Handy Andy)
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Just one string member shared by all objects |
With this, with each new objetct i'm creating an array of four pointers to four literal char strings: class Seasons { const char * const SEASONS = {"Spr... |
Jan 29, 2018 at 2:00pm
[4 replies] Last: C++14: If a constexpr static data member is odr-used , a definitio... (by JLBorges)
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by Dr4g
Problem with scanf_s and printf.
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Hi everyone,I'm a beginner at this and I was doing some exercises,but every time the result was some big weird number,so i thought "Why don't I write this simpl... |
Jan 29, 2018 at 1:19pm
[4 replies] Last: You're welcome - glad I could help! (by MikeyBoy)
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by sphinxxx69
dynamic arrays
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my program must ask a user to enter the size of the array that stores exam marks. create the array and a loop that allows the user to enter an exam mark. then t... |
Jan 29, 2018 at 1:09pm
[2 replies] Last: Thank you, my program works perfectly now. (by sphinxxx69)
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by Shishykish
Why do I only output 2 items from my linked list despite creating multiple structures?
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Hello, I am writing a simple program that works as a telephone directory but in a doubly linked list format. I am unsure why I am only able to display 2 ite... |
Jan 29, 2018 at 9:54am
[1 reply] : The problem is on line 169. Instead of setting pcurrent->nextaddr to... (by coder777)
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by choco115
number of occurrences
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My program is supposed to read the number of occurrences of a word from a text file but it doesn't work and i don't know what's wrong with it. #include<ios... |
Jan 29, 2018 at 9:50am
[2 replies] Last: 1. Check that your file actually opened. Yes, really! 2. Use std::stri... (by lastchance)
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by Pomidor
Meaning of "&" operator in this context?
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Hello, I've bought the book, "Professional C++" as a way to teach myself more about the language and I keep seeing the & operator used. I assumed that they were... |
Jan 29, 2018 at 9:23am
[2 replies] Last: First, please post code with code tags. See http://www.cplusplus.com/a... (by keskiverto)
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by ebba
HW
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It only outputs to 2 digits! So, in the example below, it outputs 2.25. Not sure what's going on. I'm sure it's something silly... If anyone knows and care... |
Jan 29, 2018 at 8:23am
[2 replies] Last: - You use newApprox on line 18 without initialising it. - You never ch... (by lastchance)
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by Wholetruth
HW help
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I am attempting to write this code for class. However, when I submit the code, I keep getting back a 0%. I don't understand why. It runs, however, I still get a... |
Jan 29, 2018 at 3:09am
[7 replies] Last: Thank-you so much for your help. I completed the assignment. It turns ... (by Wholetruth)
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by choco115
my while loop doesn't stop
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i'm writing a program that classifies positive integers as odd or even but when I type a number the loop doesn't stop. It will say even or odd depending on the ... |
Jan 29, 2018 at 12:42am
[1 reply] : x doesn't change within the while loop, so the loop either doesn't run... (by dhayden)
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by Luca Strano
I need help with .txt input, can someone help me?
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The basic concept of this code is that you take input from a .txt file about The type of operation you want to do, the first number and the second number (It's ... |
Jan 29, 2018 at 12:26am
[8 replies] Last: Oh okay, i got it. Thanks for your help! :) (by Luca Strano)
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by Muglian
Strange console/pointer behaviour
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I am working on a bit of code that includes arrays in and out of functions, but my programs insist on some very strange behavior that persists regardless of my ... |
Jan 28, 2018 at 9:37pm
[4 replies] Last: It's important to understand the difference. Your randomizeArray funct... (by Ganado)
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