Beginners - C++ Forum - October 2017 (Page 16)

switch statement with basic math problem

The issue i am having is initializing the math problem. cannot use string or if. must be able to just put in a simple math problem 8+8 and it will display the a...

[6 replies] Last: Your second switch is floating in vacuum. Clearly, the switch at line... (by Ihatov)

by adam2016

size of memory on the heap

Hi guys so after a bit of googling I have found that there is pretty much no way to find the size of memory of an array in the heap for example I dynamicall...

[2 replies] Last: Hello adam2016, Line 9 When you create the array with new you know th... (by Handy Andy)

by siten0308

Declaring function from one cpp file to another

hello, simple stupid question, for pros, i have 2 cpp files, 1 has a function, the other is the main function, the 1 cpp file that has the main of course needs ...

[3 replies] Last: If it's two ints: int Adding(int, int); If it's a string: void ... (by Ihatov)

by laenos

help with a function

I have to write a function to count the number of students who scored Y marks in GPA. The result should be stored in the array sum_gpa . The student can score f...

[4 replies] Last: Now I understand because it does not work. Instead, if you wanted ... (by laenos)

by kevdon92

Help with Comparing Two Input Streams!

Delete!

[11 replies] Last: remove the edit button. (by ne555)

by RNBW

String Arrays

I am struggling to get my head around this problem. I want to prompt for say three responses (let's say three responses are First load, Second load and Third a...

[9 replies] Last: @jlb Thanks for your help. Now to read up on vectors! (by RNBW)

by runrabbitrun

Iterate through a vector

The function should iterate through the vector listAccounts of type Account. And if the account_name in listAccounts = name, the balance of that element should ...

[2 replies] Last: Thanks! So I did that, and I got "0 accounts to check" Is this a pro... (by runrabbitrun)

by masterinex

how to overload the plus operator ?

I keep getting the error too many parameters for this operator function. #include <iostream> #include <string> #include <vector> #include <algo...

[8 replies] Last: you can try it out with my code. OK, here goes: #include <iostrea... (by Chervil)

by adam2016

out of bounds in game

Hi guys I made a game in which you can move up down,left and right in a console the X is the current position you are at and I will implement a random position ...

[8 replies] Last: @lastchance nice spot =) changed the random numbers, thanks (by adam2016)

by masterinex

how to sort rectangle by area in descending order ?

I am trying to write a code that sort rectangle by area in descending order. For some reason when i run this code, it sorts it in ascending order instead. ...

[1 reply] : How do you know that? Where do you print the sorted vector? (by keskiverto)

by giouf04

question mark at end of for loop

Hello everyone i'm trying to figure out what is the use of the question mark (?) inside the brackets on the last assignment statement, i wonder if it's a typin...

[1 reply] : See Conditional ternary operator http://www.cplusplus.com/doc/tutori... (by Chervil)

by erixliechtenstein

Creating a bunch of preset combos of settings in a class

I have a simple class and I would like to create a bunch of value presets so user can easily switch between them struct settings_batch{ int a; int b; float c...

[no replies]

by Bradenm95

Getting averages from data from txt file

I have been given a text file that contains 365 lines, 1 number on each line. Each number is the amount of steps someone took per day for a whole year. The task...

[2 replies] Last: There's no need to look too far ahead. Build up the code in stages. ... (by Chervil)

by Noobie26

Need help with Machine Problem!

Below is the exact description and requirements needed for my machine problem. Below I have attached the code for this problem that I have written up thus far....

[2 replies] Last: else if (profit > max_Profit) { max_Profit += profit; Ouch!! ... (by lastchance)

by chuvak

Validating phone numbers

Say I have an array, long long phoneNumbers = { 1416123456LL, 14161234567LL, 1416234567890LL, 14162345678LL, -1LL, 124163456789LL, 14161230002LL }; ...

[2 replies] Last: Something like this: #include <iostream> bool valid_phone_number( lo... (by JLBorges)

by closed account 1vf9z8AR

mergefiles code behave badly

I cant understand what is happening and why it is not letting me enter more lines #include<iostream> #include<fstream> #include<string.h> using namespa...

[4 replies] Last: See: http://en.cppreference.com/w/cpp/io/basic_istream/ignore The 100... (by JLBorges)

by Bopaki

I have created a new project but I still cannot make it to see the list

This is the part that gives the error message: #include "listType.h" #include "arrayListType.h" #include "orderedArrayListType.h" template<class elem...

[4 replies] Last: I think I have posted everything. Please help (by Bopaki)

by adam2016

this-> not working

hi guys this is probably a very simple error anyway I am having a problem with using this-> in my initialiser list I checked on the forums to see if any...

[4 replies] Last: very good point Andy =) thanks (by adam2016)

by andersonlam

2 integers on the same line

i want to know how to enter 2 numbers(the inputs) on the same line and separated by space like this the output is: Enter 2 integers: 3 5 but when i use this ...

[6 replies] Last: yes.Your second method is best as one is clear that he/she is enterin... (by closed account 1vf9z8AR)

by ericM

making a random generator global

I have to generate a set of random numbers supported by different distributions. I wish to use the ones provided by the STL, although I don't like the idea to...

[6 replies] Last: Thanks a million. (by ericM)

C++

Forum

Beginners - October 2017 (Page 16)