please wait
|
by platypus1989
new and delete vs vector
|
| C++ beginner here. I am learning dynamic memory allocation recently and trying to compare with vector<> with a small code snippet shown below. #include<io... |
|
Jul 21, 2018 at 11:56am
[2 replies] Last: Thanks Peter! That was a lurking mistake for me :) (by platypus1989)
|
| can you help me in this question |
| , |
|
Jul 21, 2018 at 9:20am
[2 replies] Last: @ipg can you help me with this i think it is Geometric Progression. ... (by closed account 3UohqMoL)
|
|
by darkX
Modular multiplicative inverse
|
| please suggest me the most opptised algo (preferably in java) to find the Modular multiplicative inverse i am using this till now:- static int mod... |
|
Jul 21, 2018 at 8:31am
[no replies]
|
|
by rjblair87
Count++ not adding to initial count
|
| Hello, I have spent hours on this project and am hoping for some help. I have been trying to get my counts to work but every time I run the program it outputs 0... |
|
Jul 21, 2018 at 4:47am
[1 reply] : #include <iostream> #include <string> #include <fstream> #include <cc... (by JLBorges)
|
|
by rodentMinn
Segmentation fault with empty string
|
| I've been in panic recently because I have code that works fine on one computer, but crashes on the server where I submit my code. I have a class called "Perso... |
|
Jul 21, 2018 at 1:58am
[15 replies] Last: Sometimes when people have been reluctant to post code they can find s... (by dhayden)
|
|
by clonxy
How to change a dynamic 2d array from another func
|
| I'm trying to create a dynamic 2d array to play chess with only 2 pieces: White King and Black queen. The user inputs the size of the board and then I place t... |
|
Jul 20, 2018 at 8:25pm
[10 replies] Last: I agree, doing a manual 2D->1D indexing (y*width + x) is very nice (it... (by Ganado)
|
|
by BGA6444
Incrementing value of variables in an array
|
| Can anyone tell me how I'm supposed to increment in variables that are in arrays? I have tried looking on the internet but they aren't very clear. Also, how am ... |
|
Jul 20, 2018 at 6:28pm
[5 replies] Last: Your problem lies in the fact that you are trying to increment the enu... (by Misenna)
|
|
by phztfte1
Cannot Open Source File
|
| In the Main Test File, the statement #include "frac93.hpp" does not work. There is a red squiggly line underneath the #include that indicates the file cannot... |
|
Jul 20, 2018 at 5:19pm
[2 replies] Last: The name of the header file is "frac93.hpp". The name "frac93.hpp" is... (by phztfte1)
|
|
by ysf007
How to write o good Comparison operator ?
|
| hi, I'm trying to check if two objects are equal cause I got this error XD binary '==' : no operator found which takes a left-hand operand of type 'Foo' (or t... |
|
Jul 20, 2018 at 4:42pm
[10 replies] Last: If you're looking for efficiency then you might also consider which da... (by dhayden)
|
|
by CGunn86
The importance of compile time functions?
|
| What is the importance of evaluating things at compile time? int x = 10; and constexpr int x = 10; Both of these are going to give us an integer dat... |
|
Jul 20, 2018 at 10:59am
[1 reply] : It allows you to use it in places where a compile time constant is req... (by Peter87)
|
| Difficulty with while loop |
| Hi! I just recently started learning programming and this is my first language and I have no prior experience. I am following the Bjarne Stroustrup Programmi... |
|
Jul 20, 2018 at 12:50am
[3 replies] Last: I didn't check your code 100% but it looks really good. easier to jus... (by jonnin)
|
|
by seungyeon
File I/O Comparing numbers.
|
| I have 3 lines in my file. 34532 2323 43242 523 532652 324 4325 5235 235562 If I getline, each I only have 3 cells. If I "infile >>" I will have 9 cell... |
|
Jul 20, 2018 at 12:37am
[3 replies] Last: I'll try to read your code @Ganado. I need to see how I can compare th... (by seungyeon)
|
|
by BGA6444
Arrays, tables and void functions... help...
|
| Can anyone figure out how to read the next value from an input file and store it in array table while using a void function that is not letting you do it the ... |
|
Jul 20, 2018 at 12:34am
[1 reply] : void functions can take parameters. void foo(ifstream &ifs) //this i... (by jonnin)
|
|
by watted
help with oop exercise (rectangular Matrix)
|
| Hello everybody,i need help in exercise: 1.write a class of rectangular matrix in c++ a.define the operators +,-,+=,-= and the matrix multiplication(includi... |
|
Jul 19, 2018 at 8:44pm
[2 replies] Last: This looks like a lot of fun. Write and you will have fun, too! Br... (by icy1)
|
|
by Ch1156
How to create a timer using C++ only and no windows API
|
| I am writing a game similar to the Fallout shelter part where they explore the wasteland. I would like the game to do something every minute like say some dialo... |
|
Jul 19, 2018 at 8:17pm
[12 replies] Last: #include <iostream> #include <vector> #include <string> #include <chr... (by icy1)
|
|
by alenasinchuk
C++ Void and cout
|
| Hello everyone, Could you please help me to understand why the program doesn't see the input data? I need it to display the hours and minutes and it shows ... |
|
Jul 19, 2018 at 7:07pm
[8 replies] Last: An example of correct function pass by reference. #include <iostrea... (by Manga)
|
|
by phztfte1
Implementation of Comparison Operator
|
| I am reading Object-Oriented Programming In C++ by Nicolai M. Josuttis. In Chapter 4 of the book, he provides a header file but no source file for the header f... |
|
Jul 19, 2018 at 6:15pm
[3 replies] Last: I retyped the test program into another file, and the source file "fra... (by phztfte1)
|
|
by Trisha306
Google test in CLion - Unit test function using gmock
|
| bool bank::read1(int duration){ int num_votes = take_vote(&party, leader, duration); if (num_votes > 0){ int count_votes = read(dup, buf... |
|
Jul 19, 2018 at 2:37pm
[4 replies] Last: I think in its current state the function isn't testable since it depe... (by Thomas1965)
|
|
by SulPC
Code Optimization
|
| In what ways could the following code be optimized? It's a basic program state function to all function loops based on its state. main.ccp #include <iostream... |
|
Jul 19, 2018 at 1:53pm
[2 replies] Last: even with such a small program I would not use the global. optimiza... (by jonnin)
|
|
by Donut
Functional Decomp
|
| Newbie with another question for the experts...I am teaching myself C++ and have spent a fair amount of time reading on this site to help better understand how ... |
|
Jul 19, 2018 at 1:14pm
[1 reply] : you can take the file I/O and remove all of it into a function, and ha... (by jonnin)
|