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Beginners - January 2016 (Page 2)

float variable won't print desired number of digits

I would like the output to print 4.0. When the program runs it prints 4. I've tried changing setprecision and changing float type to double, but no difference...

[2 replies] Last: You probably want to use std::fixed. cout << "Float is " << fixed <... (by Peter87)

by C0D3FR3AK

How to make quicksort work properly?

Hey guys, I'm trying to figure out what exactly is needed to make this quicksort work properly. I am receiving an error saying, primary expression before ']' T...

[2 replies] Last: Thank you naaissus! It works like a charm, also thanks for the better ... (by C0D3FR3AK)

by Muddobber

SOLVED

SOLVED

[2 replies] Last: If we add a little output in, it becomes clear at what stage the error... (by cire)

by Jozikas

Whats wrong?

Hello. I need to write program, which would find the lowest element of matrix, find the line in which this element is and count average of this line. So whats w...

[1 reply] : So whats wrong with my program. Your indentation for a start. What'... (by kbw)

by aryan403

Find Syntax error in the program and rewrite program

Okay i am sorry at first place for putting question i know all of your time is valuable here please answer this question i got......... i know i should conside...

[7 replies] Last: Thats great Aryan403, you fixed the syntax errors :) but your program... (by Jaybob66)

by Zakusa

what do i need for making a game

hi what do i need for making a game i have visual studio installed and i have windows form application with a script already for making a window but i cant find...

[3 replies] Last: The you mentioned above is about the Windows API. There of course is n... (by Thomas1965)

by CrypticA1

Visual studio 2015 getline

Trying to write a parser and I keep getting stuck on this one part. I'm using visual studio 2015 and I swear either i'm stupid or visual studio is trolling me. ...

[6 replies] Last: Well thanks for the help everyone. One step closer to finishing this p... (by CrypticA1)

by stealthboy

Help making a tree out of asterisks

I was able to write a code to make a triangle that looks like this: * ** *** **** }else if(shape == 5){ cout <<"\nHeight?: "; cin >> height;...

[3 replies] Last: That code works for the pattern of the tree, but I need it to match th... (by stealthboy)

by CrypticA1

Converting string to int,operators,etc.

This came up while i was working on my calculator and I trying to come up with an easier way to do it. Is it possible to convert a string, entered by the user, ...

[6 replies] Last: Whoa, speech to text is a little far out there. Also Dragon is a great... (by CrypticA1)

by MaryOz

Having issues with dynamically allocated arrays and memory leaks

Hey everyone. I'm working on some past papers for an upcoming C++ exam. Here's an exercise where you're supposed to fill in the blanks in order to avoid memor...

[7 replies] Last: Yes and that's the answer, that you have to make sure that every new h... (by MaryOz)

by keanedawg

Invoke a default constructor from a non-default constructor?

I have invoked constructors before but it was always with inheritance. Suppose I wrote the following class Animal() { public: Animal() : legs(4), hung...

[2 replies] Last: Hi, An alternate view : Just thinking that a delegating ctor is hand... (by TheIdeasMan)

by y3y1f8

Checking strings with specific format

I'm trying to check a command string with a specific format. Following are the allowed format: 5n-3S+16ne2w +4ne1s3n NSEW is the direction (-3w is simply 3...

[1 reply] : Line 9 : Will never be true. If commands is not a digit it couldn't ... (by tcs)

by AliAssassiN

Problem With CreateThread With A Function In Class [WINAPI]

Hello, I have a problem with CreateThread function from WINAPI in Visual Studio 2015 Update 1, i have a class and on this class i have the function which i n...

[2 replies] Last: Thank you for your answer. Yes, my problem solved thanks to you. (by AliAssassiN)

by N8tiv

using namespace std;

Hello all, Definitely a newbie to C++, not to coding in general. I have very little experience with C#, but… I understand the basics of OOP; Inheritance, ...

[2 replies] Last: Good stuff, thank you… Symbols? Haven't read anything on them, or d... (by N8tiv)

by m0bb1n

program stopping loop when finding specific number

Hello, I was trying to make a small program that stops running when it either finds 1, 2, or 88. When I run this number, the console is spammed with numbers...

[3 replies] Last: Sure works man! And obviously it counts man. After my 1st lesson in sc... (by etrusks)

by GibsRey

conio.h

Actually what is this? whenever i included this to a program, the compiler don't compile and conio.h is unknown header file. explanation please,

[5 replies] Last: I see (by GibsRey)

by curiousfloridian

Need Help (Noob)

Thank you for your help!! I finally got it.

[3 replies] Last: WoW! That is exactly what i needed. I will go thorough and look at wha... (by curiousfloridian)

by ry23

Output File Existence Using fstream

My goal is to input the first line of a file into another file only if the input file exists and the output file doesn't. I have accomplished the status check o...

[4 replies] Last: See 'Action if file already exists' and 'Action if file does not exist... (by JLBorges)

by warrior757

help with output and functions (1,2)

i need help with the output because im getting most of the information but some of it doesnt make sense?i think two of my function are wrong addwater which is w...

[27 replies] Last: cool. enter width 15 enter depth 10 enter the flow rate in 20 enter ... (by Jaybob66)

by alexpao13

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[2 replies] Last: now you've just got rid of a lesson for someone else! ungrateful sod! (by Jaybob66)

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