C++

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Beginners - June 2018 (Page 4)

Can't find information, can only find how to delete at certain place.

[4 replies] Last: I gave you the algorithm, is that sufficient for you? BTW: It shoul... (by jonnin)

c - calculating file content separately

Well, so far I've opened a file. The file output looks like this: Credit: 300 20 100 45 Cash: 150 200 30 10 25 Everything is fine with the...

[4 replies] Last: Here's a possibility in C: #include <stdio.h> #include <stdlib.h> #... (by tpb)

by Mahir247

"x" outputs as an integer even though it is a float!

Hi, so I recently started learning C++ and I first decided to make a quadratic calculator. I have seen through some of the errors and I eventually cleared them ...

[1 reply] : http://www.cplusplus.com/forum/general/238780/ (by helios)

by fstudent

Adding a Max Bet Option for a Craps game

I am sure I'll save myself half a day by posting my question here. I need to add an option where if I type "max" I can bet the maximum amount. Yes I have a l...

[2 replies] Last: jonnin: Thanks for the reply! For now I have used a char to check the... (by fstudent)

by CGunn86

Difference between these two?

What is the difference between these two pieces of code? Are they the same with just a different way of defining? std::unique_ptr<int> y(new int(20)); ...

[2 replies] Last: That "unspecified-evaluation-order leak" in JLBorges link is mildly su... (by tpb)

by sc7

which datastructure to use here?

I recently met with a graph theory question which asks us to some operations on a graph, I can't seem to put my finger on the right datastructure to use there f...

[5 replies] Last: Something along these lines, perhaps: #include <map> #include <vect... (by JLBorges)

by jamesgodspower

what laptop specification needed before i can run unreal engine4

hello guys, i wanna start using unreal engine to build C++ games, but i need to buy my laptop first, so please guy what are the minimum specification (RAM , CPU...

[2 replies] Last: ok tanks. (by jamesgodspower)

by subs098

Not sure why my code has no output

Hello, I'm trying to create a novel program to take lines from a filestream as parameters to create random objects. My code as below: #include <iostream...

[2 replies] Last: Oh. I corrected that and fixed the function prototype (missed out "Mo... (by subs098)

by Blessman11

lists and iterators - check null

I'm trying to use lists and iterators, I need to initialize a list and check if it has been initialised or not. #include <iostream> #include <list> #in...

[6 replies] Last: thank you Peter- problem solved (by Blessman11)

by troylow

Bubble Sort Problem

Hello I created a simple bubble Sort program after trying c++ I am really new to coding and I tried learning myself but Ive been facing some problems. Basicall...

[10 replies] Last: Oh man looks like I have to go over the code maybe redo it abit so I c... (by troylow)

by Alex47

Do While Help

I am trying to make a simple script. The problem I am running into is where I am trying to make a code to where if a person doesn't type in an appropiate letter...

[1 reply] : if(pick != number1) || (pick != number2) || (pick != number3) || (pic... (by Repeater)

by justStarting

problem pulling .txt data and combining multi functions

So I'm tasked with importing a file containing an invoice for given dates with random parts and totals. My program needs to run like a reciept for the given da...

[2 replies] Last: The problem is that you open the input file in many places and it will... (by Thomas1965)

by dannyboyo

How to manipulate texts with C++

Hey everyone is there a decent way through which I can manipulate texts using C++, similar to say, using the awk command in Unix?

[1 reply] : Not directly. There are regex tools, and the string find and replace... (by jonnin)

by omka

Tick tack toe

I'm making a game of tic tack toe but I'm trying to get it to check if someone has already played in the spot or not but I just can't seem to figure out a simpl...

[1 reply] : Why don't you check the field before you write to it? if (a == 1) { ... (by Thomas1965)

by mim97

Display the sum and the average of the numbers in a loop.

//Write a c++ program that will input double numbers for the user in a loop // until the average of the numbers is less than 10. When the loop ends // display t...

[7 replies] Last: He/she explicitly explicitly says "in a loop", @Abdullah Samo. Howeve... (by lastchance)

by tyler21210

homework help please?

so we are doing for loops and he wants us to make a code that shows us the biggest number and the smallest number in this using a for loop but it keeps say larg...

[3 replies] Last: tyler21210 here is the solution: #include <iostream> usin... (by Abdullah Samo)

by Ahmed Sayed

something wrong with the output

I'm solving a problem that make me generate a password depends on some rules, 1-the length of the password must be equal to n, 2-the password should consist...

[3 replies] Last: strlen() relies on the string being null-terminated and you don't expl... (by lastchance)

by opataris

Bool function for Prime Numbers

I am learning functions now, and have a task to write a function that will determine if a number is prime. There is a second function that determines the range ...

[7 replies] Last: Thank you so much for taking the time to help me. I appreciate it, tru... (by opataris)

by jerry HQ

Summing the characters in a word or sentence

I would like to be able to type a string and get the ascii value back of the every character and return a total of the word or sentence. for example if you were...

[3 replies] Last: You inverted the order of the addition assignment operator. += and =+ ... (by Lehti)

by vuilnisman

Unexpected array behaviour

I want to have a matrix filled with zeros and then be able to change specific elements of that matrix to either 1 or 2. In the code below I expect the matri...

[3 replies] Last: Cheers to you both. I guess I was confused between a size 4x4 array h... (by vuilnisman)

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