c++

Created a simple code with a loop on Visual Studio 2019: #include <iostream> using namespace std; int main() { i ... with no gaps like the one described? P.S. F9 does not help, it goes into the instruction itself, as, in fact, it should be.

How do I translate std::string to std::wstring? Admit: std::string s = "some string"; std::wstring ws = f(s); How can f() be implemented?

You need to open the file and read it line by line, that is, take the first line, put it in a variable, do certain operations with it, then take the second, etc.

How to declare a function pointer in C / C++

Give an example of a quick sort algorithm in C++.

Give an example of merge sorting in C++.

How to create an array of function pointers in C / C++

A square matrix is given. If in the i-th row of the matrix the element belonging to the main diagonal is negative, then repla ... cout << A[i][j] << "\t"; cout << "\n"; } } system("pause"); return 0; }

There is a method for inserting an item into an ordered list. Will it be correct for lock-free? template< typename _Pred & ... ck. P. s.: strange all the same regulations on the Hash Code about comments, why can't you control their number individually?

You need to recursively calculate the product of the Fibonacci numbers from 1 to N in theory, everything is normal, but in pr ... urn 1; else return fibproduct(fib(m-1)) * (fib(m)); } int main(void) { cout << fibproduct(4); return 0; }

In pursuit of the question of function overloading: C++ Using function overloading, write a program for calculating the prod ... ade function overloading unnecessary (in C++)? Or are there still options where templates can't replace function overloading?

I am trying to initialize all the elements of a two-dimensional array when declaring it: int** ints = new int* [n] { new int ... lays -842150451 -842150451 -842150451 -842150451 -842150451 , and such: int* ints = new int[5] { 0 }; - 0 0 0 0 0 .

As you know, the garbage collector in C# (more precisely, in the CLR) cleans up RAM from time to time, freeing up memory occu ... te a new object, but the object cannot be created. Is it true? There is a feeling that I am wrong in my reasoning, but where?

I use Microsoft Visual Studio, and it gives a warning C4996, for example: warning C4996: 'fopen': This function or variable ... name for this item is deprecated. Instead, use the ISO C++ conformant name: _chsize. What the hell and how to deal with it?

Hello! Please tell me if it is possible to store iterators from vector for a long time, for example, so that it can be derefe ... о листинга cout << *b[*it] << endl; } Instead of char*, the program with the error has a different structure.

There is a function that simply outputs numbers from a vector. void test(std::vector<int> vec) { for(int item: vec ... ‘main()::’ to ‘std::vector I understand that as an argument the lambda itself is passed, but how to pass what it returns?

I write a program in C++ using WinSock2. This library contains a number of constants and macros created with #define. While w ... ght. Even if all constants and macros are underlined in red, the project is built without problems and it works as it should.

Give an example of bubble sorting in C++.

What is it and why is it used in C++?

What is an abstract class in C++?