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General C++ Programming

by admin
Welcome to this board!
Welcome to the general programming forum in C++.com! In this forum, users can to talk about any top...
[no replies]
by MA2121
Need Assistance fixing this program
Three cars drive a 500 mile route. Write a program that inputs the car make and the number of gallon...
[1 reply] : Consider: #include <iostream> #include <iomanip> #include <string> ... (by seeplus)
by frek
Smart pointers proper usage in my project
I'm doing an exercise of Bjarne's book PPP (chapter 21): 6. In the Fruit example in ยง21.6.5, we c...
[2 replies] Last: 1) I would think it's not really worth the hassle using unique_ptr whi... (by coder777)
by Nitron
Need Help in homework on input/output stream
Hi, I got this new homework assignment but am extremely lost since this is a fairly new topic. The a...
[1 reply] : First you should design the program. Consider what inputs and outputs ... (by seeplus)
Fixing the program
Rewrite the following program correcting any mistakes and adding missing code so that it reads a val...
[6 replies] Last: Without error messages: #include <fstream> int main() { std::ifst... (by seeplus)
Unitialized memory
the following code is to a program that will layout a table that will convert celsius to fahrenheit ...
[13 replies] Last: The only thing you do in the loop is write out current values. Move yo... (by lastchance)
Does c/c++ main source calling a function/library dynamically still need its header
Does c/c++ main/caller source calling a function/library dynamically still need its declaration head...
[4 replies] Last: Could be worse. At least he doesn't seem to be a stealth spammer. Perh... (by dutch)
by frek
Different sorting on a vector
#include <iostream> #include <fstream> #include <algorithm> #include <vector> #include <locale> st...
[17 replies] Last: @JLBorges std::partition preserves values; it just swaps elements. Go... (by frek)
PLEASE learn to use code tags, they make reading and commenting on source code MUCH easier. http:/...
[no replies]
How to extract the digit of a binary number in c++?
If i require the user to input a binary number, eg. "000010011", how can I extract each digit from t...
[2 replies] Last: salem c, have you ever noticed that many questions appear to be rather... (by Niccolo)
by VoB
Why is this trivial code leaking memory?
Hi everyone, I'm trying to figure out why the following snippet #include <vector> int main(){ ...
[13 replies] Last: Generally, you only need worry about leaks in code that can be tracked... (by salem c)
by terms1
how to find out what people celebrated their birthday this year
how to find out what people celebrated their birthday this year, if we have the current month and da...
[1 reply] : Read a pair of y/m/d into variables Apply https://www.cplusplus.com/re... (by salem c)
by MA2121
Need Assistance fixing this program
Write a program that asks the user to enter an item's wholesale cost and its markup percentage. It ...
[2 replies] Last: When posting, please use code tags so that the code is readable! #i... (by seeplus)
Value keeps resetting once I go back to the menu
I'm having a hard time thinking how can I change my variable after it executes. #include "Regist...
[12 replies] Last: Based upon file data, consider as a start: #include <iostream> #inc... (by seeplus)
"Unresolved external symbol" even when the linker can find the function body
Hello, I'm getting an extremely strange error, I have utility functions declared in a header file an...
[2 replies] Last: I found the issue and fixed it, My issue was that my Utils.cpp file ha... (by icegolem123)
member function already defined or declared in variadic template
I am getting this error: 'Group<std::string &>::Group(T1)': member function already defined or...
[2 replies] Last: Thanks @mbozzi! (by JUANDENT)
trying to finalize this assignment
Trying to finalize this assignment, I had gotten help but I was only given hints regarding where I s...
[2 replies] Last: the assignment details are here, sorry forgot to post it: https://past... (by juicypwner)
C++ programming challenge
Have gotten this far but am lost could use some guidance Am writing to get an output of: My da...
[12 replies] Last: Thanks for clarifying, @ Furry Guy ! Although, I was told that it i... (by agent max)
by YViera
Is there an easier way of sorting this?
Hello, I am trying to figure out an easier way of sorting based on frequency to be specific: "Sort t...
[3 replies] Last: #include <iostream> #include <string> #include <map> #include <set> u... (by lastchance)
Vector and Template
Hello everyone. I am creating a lib. In this lib I need to create a template where the T object (cla...
[1 reply] : As the code is very large, the main function of the code above is in t... (by joaoelson)
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  Archived months: [jan2021]