Beginners - C++ Forum (Page 3)

by zain ahmad

visual studio error contsant

How to solve this error # include <iostream> using namespace std; int main() { int n=2...

[2 replies] Last: Hello zain ahmad. As TheIdeasMan said a vector would be a better choi... (by Handy Andy)

by Hassan Ashas

Using if statement to check whether string has value or not (homework)

Here is the actual question, "Write a program for a bottle vending machine in which you have to ins...

[4 replies] Last: Hello Hassan Ashas, After working with the program I came up with thi... (by Handy Andy)

by Hassan Ashas

Program not giving proper mathematical answer.

Here is the actual Question https://imgur.com/a/G6MrskV This is what I did. #include <io...

[7 replies] Last: what he said and what you're saying is literally the same thing but i... (by jlb)

by mekelek225

comparing boolean in if statement

why wont this work? #include <iostream> using namespace std; int main(){ bool poo...

[5 replies] Last: Consider : if (!poop) {} is the same as if (poop == false) {} ... (by TheIdeasMan)

by Awsom3Alan3

Need help with Arrays and Highest Element of Array.

Suppose you have a text file that looks like this, Alan Blandon 1, 2, 3, 4, 5 Marvin Alvarez 2, 3,...

[3 replies] Last: The row with the highest score is the index of the names. For example:... (by Thomas1965)

by Blake7

My objects are sharing a variable?

I'm creating a little game where I have a player and the computer fighting each other. Although, for...

[3 replies] Last: Well, think about it. Once you made my suggested change you started se... (by helios)

by zain ahmad

Borrow in C++

I am subtracting first number form second by using borrow it is giving right answer from 20th to 15t...

[1 reply] : #include <iostream> #include <string> #include <cctype> // true if e... (by JLBorges)

by jjordan33

Keeping each input in a while loop instead of just the last one

The code you'll see is a palindrome checker. Every function works, and it will successfully compare ...

[3 replies] Last: @Andy he said "Every function works perfectly". So maybe the headerfil... (by Nwb)

by Hassan Ashas

Logic of this question (Homework)

Can someone tell me the basic logic of this program? I don't want the code, just this that what exac...

[7 replies] Last: Long double only starts to lose precision after 18 digits and that's a... (by Nwb)

by Awsom3Alan3

Need help with 2D Arrays!

Suppose you have a 2D Array that looks something like this, 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 How wo...

[3 replies] Last: An alternative without the need for a 1D array: #include <iostream> ... (by FurryGuy)

by Nwb

Review my permutations and combinations program

Hey guys do you see any possible improvements in this code? Any other suggestions are welcomed as we...

[13 replies] Last: Thanks a lot @TheIdeasMan that was helpful ;) Oh and thank you too @... (by Nwb)

by cool123dude

PLEASE HELP ME IN PERIODIC

Let's define a periodic infinite sequence S (0-indexed) with period K using the formula Si=(i%K)+1. ...

[2 replies] Last: This guy's account needs to be deleted. (by tpb)

by barnack

simple stupid quick question

How do i push an empty data structure inside a data structure? std::stack<std::set<std::stri...

[2 replies] Last: thanks! (by barnack)

by adam2016

I have a QT question

Hey guys, yes pun intended, as you can see a QT c++ class will have a signals: and slots: acce...

[1 reply] : http://doc.qt.io/qt-5/moc.html (by Peter87)

by cc046

remove duplicate string in a string array

can anyone tell me or give me a code? How to remove duplicate strings in a given string array with...

[5 replies] Last: Nobody is asking you to delete anything. Insert your strings into a se... (by lastchance)

by lastpeony

C++ How do i find most repeated elements in a vector

I am trying to find most repeated elements in a vector. Lets say this is the vector: [2,3,4,6,3,...

[1 reply] : std::map<int,int> (by lastchance)

by jjordan33

Sentinel Loop

I want my loop program to quit after END is entered. However, my program ignores my condition and ke...

[7 replies] Last: You could try something like: while (getline(cin, x) && x != "END... (by jlb)

by cool123dude

NEED HELP IN ARRGRAPH

You are given a sequence of integers A1,A2,…,AN. You may change any number of its elements (possib...

[6 replies] Last: anyone can give some hint or logic to solve PERIODIC question (by cool123dude)

by TheDomesticUser2

Strings not functioning properly

Hello. Whenever I input a string containing spaces, it stores each word in each string variable. ...

[2 replies] Last: The unexpected behavior is because cin stops reading when it hits a wh... (by Nwb)

by vmansuria

I need help passing a 2D array

I have this 2D array but how do I pass it into a function, I know I can use pointers but I don't kno...

[1 reply] : #include <iostream> #include <algorithm> #include <cstdlib> #include... (by tpb)

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