C++

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Beginners - September 2015

by ChiaraItaly
boolean variable
 
Hi! I'm trying to write a code that given two input vectors the output is a third one made up of the non-common numbers between the first two. I think I should ...
Sep 30, 2015 at 11:48pm
[1 reply] : code a is_member() function and an insert() function, then do for( x ... (by ne555)
by rojan1918
nested loop problem
 
I have the function x^2 and want to find the area under the curve. I want to make it so that if I type in fx n=4 intervals I get the area for n=1 and then n=2 a...
Sep 30, 2015 at 11:20pm
[15 replies] Last: #include <iostream> double f( double ); using std::cin; using std::... (by closed account 48T7M4Gy)
by joeaswe1
Classes, Complex numbers
 
I have to define these classes for storing and doing arithmetic math with complex numbers..
Sep 30, 2015 at 10:23pm
[1 reply] : http://www.cplusplus.com/forum/general/113904/#msg622050 referring to ... (by ne555)
by veihl
Caesar Cipher - Object Oriented Programming help
 
Hi guys, I need some help with this program. I've already written the command line interface myself. (C++, but runs through the command line) But I'm stuck with...
Sep 30, 2015 at 10:04pm
[1 reply] : that cout statement is indented in the same place as the rest of them ... (by veihl)
by Powdertrail
Naming pointers within loop - C
 
Hello. Can I name pointers (or any variable for that matter) with an increasing number as part of it's name, within a loop? Like: size_t* pointer1 = malloc...
Sep 30, 2015 at 9:51pm
[1 reply] : Topic wholly changed because I got the answers of the first one alread... (by Powdertrail)
by cdv444
IF / ELSE IF Problem
 
I can't figure out how to correctly format this code to make the program work, been at it for days now. Still learning. Could someone show and explain please? T...
Sep 30, 2015 at 9:38pm
[1 reply] : M = movieRentals; P = pizzas; I = itunes; movieRentals, pizzas, it... (by AbstractionAnon)
by Powdertrail
C - Address 0x0 is not stacked malloc'd or recently freed
 
Hello. I am running my program (dynamic stack made using an array of void**) through Valgrind and I get the error of the title. I am so lost I don't even know...
Sep 30, 2015 at 9:21pm
[7 replies] Last: Peter: Thanks, now it's clear. What I intended to do was "stack_push(... (by Powdertrail)
by Panda187
Pure Beginners Question : Must be Impossibe
 
There's no way I can make a border of characters around the whole screen. After hours of just tampering, I've given up on hope that a cout and cin can go on the...
Sep 30, 2015 at 8:33pm
[12 replies] Last: Thanks but I went to the link but threes only three posts in it from Z... (by Panda187)
by Pollycode
IF/ELSE confusion
 
answered. Thank you.
Sep 30, 2015 at 8:19pm
[2 replies] Last: Im assuming you dont know what arrays are and im assuming in variable ... (by closed account E3h7X9L8)
by Panda187
Need help with a quick assignment question
 
It says something like: a = 5, b = 10, c = 15, then show what the values are after execution, like 1) a += 33 - c 2) b ++ I really don't know what I'm s...
Sep 30, 2015 at 7:39pm
[no replies]
by zacklucky
better way to work with combinatorics?
 
I'm using the unsigned long long data type while doing a combinatorics problem that is basically you have x urns and y colors and you want at least one of each ...
Sep 30, 2015 at 7:31pm
[5 replies] Last: Oop! Yep. They are the same. (by Duthomhas)
by istemihan
why bruteforce losts its fuctionlaity at some point in this code?
 
I am trying to solve a puzzle again! this is the link: http://www.puzzleup.com/2015/puzzle/?9 my method requires vectors. Because I use this method: http://i.s...
Sep 30, 2015 at 7:25pm
[1 reply] : Sorry couldnt answer to your problem but you gained my curiosity with ... (by closed account E3h7X9L8)
by FrankRafa
Read in numbers and strings from a txt file
 
Hi all, So if I want to read in something and store them in to different arrays (say two types of stuff are int and char), is there a way to read in the requi...
Sep 30, 2015 at 7:09pm
[6 replies] Last: Is this what you are asking for: #include <fstream.h> #include <coni... (by Vibgyor)
by GGWPBOT
Reading file into arrays
 
I have a text file like this: Williams,Leonard Freshman 1.85 Smith,Sheila Senior 2.99 Anderson,Andy Sophomore 3.01 and ...
Sep 30, 2015 at 6:28pm
[1 reply] : The big issue you have is that every time you call the Read function... (by Norm Gunderson)
by Princess Peach
trying to catch invalid user input
 
This is a piece of my program, the Dragon() function at the bottom is defined and works as it should in my larger program. I was trying to kick back out invalid...
Sep 30, 2015 at 6:24pm
[2 replies] Last: thank you! (by Princess Peach)
by Mor1994
Inheritance c++
 
HI everyone. Im working on assignment given in the university about inheritance, and i have a few things i dont know how to implement. Generally, the program ...
Sep 30, 2015 at 5:38pm
[4 replies] Last: All of what was suggested in both posts can be done with any recent co... (by CrashMeister)
by lawgarra318
To calculate the number of people still on the bus after n stops?
 
problem solved!! Thanks for your help!!!!
Sep 30, 2015 at 5:37pm
[8 replies] Last: problem solved!! Thanks for your help!!!! (by lawgarra318)
by big leigh bowski
Issue adapting C code to C++
 
Hello, I adapted some C code to convert a floating point to IEEE 754 binary The code works in Xcode and does (in many cases) convert correctly. Problem...
Sep 30, 2015 at 5:32pm
[2 replies] Last: Thanks Duoas, changing to unsigned worked well, which makes a lot of s... (by big leigh bowski)
by Andym
reading a text file line by line
 
This is a stupid question but my memory isn't what it used to be. Ive had this working before but I deleted part of the code. At around line 58-60, I am trying...
Sep 30, 2015 at 4:45pm
[7 replies] Last: Thanks for your help. For some reason, it makes sense the way you do ... (by Andym)
by leashbomb69
keep getting infinite loop output
 
Write a program that reads the information about the employees in a loop (you must also use another loop to read an employee’s number of hours and compute the...
Sep 30, 2015 at 4:08pm
[6 replies] Last: can't put a cin statement in a while loop argument You most certainl... (by AbstractionAnon)
September 2015 Pages: 123... 42
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