Beginners - C++ Forum - July 2017 (Page 6)

This program isn't done, I know I'm just making a simple mistake. As you see in the void function from Lines 13-26, essentially I want the loop to be able print...

[2 replies] Last: @dhayden OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO, I just forgot,... (by portpabs)

by Syrian Lucianos

A small problem with C++ stream manipulators

i need to make a stream manipulator which takes a number and multiplies it by (-1),something like this: #include <iostream> using namespace std; void ...

[1 reply] : A somewhat limited version of the output stream manipulator negative ... (by JLBorges)

by zeroblank

Lower bound works as an upper bound ..

this outputs 15 not 7 #include<iostream> #include<algorithm> using namespace std; int main(){ int a = {7,15}; cout<<a[lower_bound(a,a+2,10)-a]<...

[4 replies] Last: #include <iostream> #include <algorithm> #include <iterator> int mai... (by JLBorges)

by joemf88

Tic Tac Toe converting '.' to " " in readfile

Ok, I am trying to solve this super small error and I cannot figure it out. In this program you would read a board into a 2D array (this is the practice). The f...

[11 replies] Last: I just had another look at your original code which I didn't look at a... (by closed account 48T7M4Gy)

by keh k lenge

What is void*?

What is a void*? What are its uses(I saw something regarding interfaces)?

[2 replies] Last: you see it in threading still, where the args to the thread function ... (by jonnin)

by Shibitto

Prototyping advise on conditions

P,s(Was written on a android phone mobile c use (so might look wrong if copy and pasted. ) Hi I'm building a Test like, exam type based program( something li...

[9 replies] Last: Thanks masters: need to learn casting expressions now. What exactly ... (by jlb)

by closed account 1vf9z8AR

blank in cin

How can a user ignore a cin.Like enter nothing in a particular line where value is asked.

[1 reply] : cin already ignores whitespace for normal (>>) usage. So it will giv... (by jonnin)

by closed account 1vf9z8AR

Nested class

I am really struggling with nested classes and i wrote this program but lots of errors since i havent done it before. #include<iostream> using namespace ...

[1 reply] : Lines 12-13,22,26: get() and out() are not typed. Lines 17-18, 30,35... (by AbstractionAnon)

by Dmtg93

Reversing functions

So for my last assignment I need to reverse the order of an array without creating another array. I have the header void reverse (int arr ,int length) So...

[7 replies] Last: Agreed; it looks to me like it's directing the OP to limit the functio... (by MikeyBoy)

by dansparce

Need help with User-Defined Functions and Looping

My professor gave us an assignment to work out a payroll program that takes in data from a file, then outputs the payroll information in one file and the errors...

[12 replies] Last: Oh thank you so much! I didnt even realize I had them in different ord... (by dansparce)

by Lavinator

C++ what is a while loop to allow the user accept values until a limit is reached?

The result should be: Accepting donations till we reach $100 Enter donation, or zero for no donation: 12 Enter donation, or zero for no donation: 10 En...

[4 replies] Last: #include <iostream> using namespace std; int main() { int donat... (by closed account 48T7M4Gy)

by jdmarcos97

Skip 3 lines from a file while storing into array

I'm doing an assignment for school and I'm stuck. From the following .txt file: John 100 99 100 Julio 88.5 80.5 85 Johnathan 70 83.5 86 Julia 80.5...

[4 replies] Last: As already suggested, one of many possible variants: //Help on this p... (by closed account 48T7M4Gy)

by Flaze07

What is the name of this sorting algorithm ?

for (int i = 0; i < arr.size() - 1; ++i) { if (arr.at(i) > arr.at(i + 1)) { std::swap(arr.at(i), arr.at(i + 1)); } } For quite some ti...

[6 replies] Last: the perfect sort is bucket, which only works on integers really, thoug... (by jonnin)

by Tobruk

extern const int used as array size - expression must be constant error

I declare and initialize this constant in globals.cpp: const unsigned SETT_OPTION_COUNT=4; To make it accessible from other files, I make the const extern in ...

[3 replies] Last: Thank you both kindly for your replies. It solved the problem :) (by Tobruk)

by Manel

How can I use C++ on my site

Hi! it's a forum for beginners and that is why I have the courage to ask this question...:) How can I use C++ on my website? Is it at all to use on websites? ...

[2 replies] Last: thank you very much for your help! (by Manel)

by rajhansk

How do I pass structure to function with pointers and reference ?

How do I pass structure to function with pointers and reference ?

[2 replies] Last: Like this: struct YourStruct { // some data members }; // Using p... (by Thomas1965)

by suna6382

Quiz show reset

Hello! I need some help with reseting the highscore on the quizshow. the reset program must have: If the user answers 'y', Reset.exe resets the high scores list...

[9 replies] Last: OMG... I have been overthinking this now that I have figured it out! T... (by suna6382)

by stephanos

Question: Does calling an element of an array by its index require parsing the entire array?

Does calling an element of an array by its index require parsing the entire array?

[3 replies] Last: No. The computer finds the address of the element by doing some arithm... (by dhayden)

by bblotz

Display message with double?

I need to display an error message when the GPA is outside the bounds of 0.0 < gpa < 4.0 (so like gpa = 5.0) however I am not sure how to do this since my varia...

[3 replies] Last: Array as a global variable? Rethink about that. Globals, like dark sid... (by keskiverto)

by bblotz

seat reservation program

Hello, I am trying to complete this code. The object is to write a program that can reserve seats (like a movie theater) using a two-dimensional array. The user...

[2 replies] Last: Thank you very much, I understand now what needed to be done. :) (by bblotz)

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Beginners - July 2017 (Page 6)