Usage I have two classes, which give me a counter in range based for loops (bit like a simple ranges v3 lib). // Usage with l-values std::initialize ...
Usage I have two classes, which give me a counter in range based for loops (bit like a simple ranges v3 lib). // Usage with l-values std::initialize ...
The reason for the question is that I've seen code like this: auto fun(std::vector<Foo>&& v) { std::vector<Bar> w; for (a ...
I have created a string vector and want to fill it with a "range-based for loop" but it doesn't work. What am I doing wrong? Does the compiler not ...
I want to get the sum of the individual digits of an ID entered by the user. So far this is the code I have, and my code can count the number of chara ...
I have a chunk of C++ code that is supposed to go through a vector and delete reoccurring objects in-place. I completed the task (C1) using an iterato ...
I am trying to add a list to a string. int main() { std::cout << "Hello, welcome to Jay's Coffee!!\n"; std::string name; std::cout <<"Wh ...
I'm having a problem with a beginner concept in competitive programming extra space in print may cause wrong answer judgment I want to iterate through ...
I am using remove() of std::list to remove elements in a for loop. But it is creating segmentation fault. I am not using iterators. Program is given b ...
I need a vector class that exposes a small subset of the std::vector API. Everything works except range-based for. Here my attempt at implementing a f ...
I am trying to solve the following question: https://www.codewars.com/kata/54bf1c2cd5b56cc47f0007a1/train/cpp in C++. When I try to iterate over a ra ...
I have the following program that iterates through a directory and can catch exceptions: The problem is, whenever an exception is thrown it exits t ...
I have the following class MyClass that contains a 2D map (std::map<std::string, std::map<std::string,double>>). I would like to know if ...
I read this documentation for a range-based for loop: The member interpretation is used if the range type has a member named begin and a member na ...
I'm currently in the process of learning C++ and for that I'm reading the book "C++ Primer". The book is pretty good so far and I learned a lot howeve ...
So here is my code, I find the sort doesn't work for the vector in this map. Does anyone has the idea? The output of this code is still "3 1 2 4 5" ...
I'm working on a school project of boolean minimization, and here I want to delete some elements of a set of my user defined class. This is where the ...
In C++20, concepts were added, and so were constrained algorithms such as std::ranges::for_each. Why is the range-based for loop error message has pl ...
The loop containing "cin" doesn't change the values. What is happening inside the loop? And how can I use this(range based loop) to take inputs? INPU ...
Disclaimer: This is rather more out of curiosity than for a lack of other solutions! Is it possible to implement a function in C++ that: gets pas ...
In these questions (also here) there is recommendation to write code like: But doesn't moving the data from arr into v clobber the array arr? How c ...