Q&A Discussions

Is this observer pattern implementation proper?

27th Aug 2023, 1:31 PM

othneillo

c++observer_design shared_ptr

0 Votes

В каком приложении можно создать 3д игры для новичка?

27th Aug 2023, 11:05 AM

Ketan Lalcheta

c++create games visualstudio

1 Vote

Is this composite pattern implementation proper?

27th Aug 2023, 5:45 AM

Dead or Alive

c++composite design_patterns shared_pointer

1 Vote

What's the difference between endl and \n?

26th Aug 2023, 1:04 PM

Ketan Lalcheta

\n c++cout endl new_line

2 Votes

6 Answers

25th Aug 2023, 10:44 PM

الحسين محمد عبدالله

What's flush ?

c++cin flush input

1 Vote

6 Answers

25th Aug 2023, 10:41 PM

الحسين محمد عبدالله

Guys I don't really understand colspan can someone ple teach me how to implement it in my table and I don't understand the

c++html

0 Votes

Do while loop goes infinity

25th Aug 2023, 4:54 PM

Unohana Simp

c++loops while

0 Votes

7 Answers

21st Aug 2023, 8:42 PM

الحسين محمد عبدالله

Prefix sum??

arrays c++prefixsum

0 Votes

Given integer n, return the first n row of pascal triangle?

20th Aug 2023, 6:56 PM

Anuj Khare

2d arrays c++pascaltriangle

0 Votes

20th Aug 2023, 6:02 PM

Anuj Khare

Header file

c c++cpp files header

14 Votes

13 Answers

20th Aug 2023, 3:14 PM

Alhaaz

I don’t understand this

0 Votes

I have attached my doubt in the below code

19th Aug 2023, 2:44 PM

Caleb Benitez

c++vector

1 Vote

Why this function doesn't work in C++?

19th Aug 2023, 8:33 AM

King

ask c++help question

1 Vote

13 Answers

18th Aug 2023, 10:47 AM

Mohammad Razavi

What do I need to learn and how to be able to problem solving

algorithms c++data_structure math problem_solving

2 Votes

Is there a function for delay in Sololearn, Windows.h does not work

12th Aug 2023, 10:50 PM

الحسين محمد عبدالله

c++delay help windows.h

0 Votes

Dynamic memory in C++ is quite complicated for me. I need some more explanation in detail 😥

12th Aug 2023, 1:09 PM

UJCoder

0 Votes

Are C++'s pure virtual functions basically Java's abstract methods?

12th Aug 2023, 12:20 PM

Bernard Chai

abstract-classes c++java

2 Votes

Please show to write a name in animated form

11th Aug 2023, 6:07 PM

Hrvoje Kožul

0 Votes

How can I find the location of archives saved by sololean app in my android phone? For example an archive .txt created by ruby.

11th Aug 2023, 8:54 AM

Abhijeet Theng

c++ruby

0 Votes

Why error at coming at line temp= total%10; err msg: invalid Binary operands to binary expression

10th Aug 2023, 9:51 PM

Juan José Molina

what are the problems in this code

0 Votes

5 Answers

8th Aug 2023, 3:13 PM

SHŪBHÃM

c++cpp loop problems while

0 Votes

Hello everyone. The data type "string" doesn't get coloured in the C++ program and this affects my code. Can someone help me❓️

8th Aug 2023, 1:14 PM

Faran Allah Verdi

0 Votes

Just finished C++ intermediate, but I don't feel like I really know how to code. What are my next steps?

7th Aug 2023, 11:34 PM

RJ🎮

advice cpp finished help intermediate unreal

1 Vote

4 Answers

6th Aug 2023, 4:29 PM

Lorenzo Hernandes

I need a mentor to help me to write a hotel management program in c++ for exercise.

c++classes vector

1 Vote

13 Answers

5th Aug 2023, 7:14 AM

Saba

С чего начать?

c++new python

0 Votes

Given an interger away 'a'sorted in non-decreasing order return an away off the square of each num of each number sorted m non

4th Aug 2023, 11:45 AM

RUVI

array c++

0 Votes

Why does the lesson not open when I click on the word learn?

3rd Aug 2023, 8:35 PM

Anuj Khare

c#c++

0 Votes

7 Answers

2nd Aug 2023, 4:15 PM

safir safir1

Why won't vs code work for cpp despite installing so many extensions!!?!?!?

c++vscode

2 Votes

7 Answers

2nd Aug 2023, 2:43 AM

Shapa

Given two num a and b write a program using function to print all odd numbers

c++functions

0 Votes

Is there any way to calculate numbers beyond the 32bit integer limit in C++?

1st Aug 2023, 11:12 AM

Anuj Khare

Problem: 1/n cycle

c++double strings

1 Vote

4 Answers

1st Aug 2023, 4:03 AM

TeaserCode

32bit 64bit bits c++calculate integer numbers

3 Votes

I can't figure out the operator overloading...

30th Jul 2023, 9:51 AM

Tanvesh Kaviskar

0 Votes

What is the time complexity to insert a single element in the array? c++ data structure

28th Jul 2023, 5:23 PM

MOHAMMED SHAHUL

array c c++data struct structure

0 Votes

Alguien que pueda añadir variables a este código , necesito que esté código vea números y diga si es menor ,mayor o igual a diez

27th Jul 2023, 6:11 PM

Lalala

0 Votes

Cout the number of occurence of a particular element x in c++ vector??

27th Jul 2023, 3:05 AM

Marrufo Kun

arrays c++vector

0 Votes

Help with module 3 quiz on c++

26th Jul 2023, 4:00 PM

Anuj Khare

Why not on hot today

c++leaderboard sololearn

0 Votes

12 Answers

25th Jul 2023, 5:15 PM

Kon Kam

0 Votes

Why am I failing (Paint costs)

21st Jul 2023, 5:57 PM

Kon Kam

c++paint_costs

1 Vote

21st Jul 2023, 3:44 PM

Farah Alkayyem

Where is the mistake?

ballpark c++order

0 Votes

Find out the output of the program

21st Jul 2023, 4:42 AM

Azeklir

c c++

2 Votes

11 Answers

21st Jul 2023, 4:27 AM

Ajay Raj

haloween candy code challange ,

c++challange code cpp question

0 Votes

c++codewars cpp sololearn

20th Jul 2023, 1:12 PM

Lalala

what's wrong here?

1 Vote

4 Answers

20th Jul 2023, 11:55 AM

marat

A time limit error happened when i used the int i directly for the while loop why did using it directly cause such ?

c++error limit temp time

0 Votes

How can i reverse the output of the following code for making it binary representation?

19th Jul 2023, 12:11 PM

Dareen Moughrabi

13 Votes

11 Answers

18th Jul 2023, 10:36 AM

Gulshan Mahawar

C++

names

0 Votes

I forgot everything about arrays, a brief recap plz?

18th Jul 2023, 5:14 AM

Emmanuel igbojionu

c++helpme

0 Votes

What would you write to make a code that detects a certain letter(s) in a string in C++?

17th Jul 2023, 9:14 PM

ItonaIsMe

c++helpme randomquestion

0 Votes

Cmake: Undefined reference to [lib_name]

17th Jul 2023, 7:27 PM

ItonaIsMe

c++cmake cpp

1 Vote

6 Answers

17th Jul 2023, 5:42 PM

RuntimeTerror

DSA

c++python

1 Vote