Beginners - April 2014 (Page 3)

Measuring elapsed time
 
What is the best and/or simplest way to get and measure the difference between two times? I saw this but wanted to know if there was a better or different wa...
Apr 30, 2014 at 4:01am
[1 reply] : Hi, time() returns time in seconds, while clock() returns time in mil... (by closed account 2AoiNwbp)
How to add in a random seed. with desired input (1,2)
 
hi i am doing a program that requires me to input a random seed (already chosen) and input a maximum of 5 friends to text, randomly choose one and output the ch...
Apr 30, 2014 at 3:53am
[28 replies] Last: Your welcome =D (by closed account j3Rz8vqX)
by Cobain
Help with Classes & Objects
 
Hey guys,this is my first attempt at writing Object-Oriented code, so please forgive me if some parts of it appear muddled, they probably are. The problem I'...
Apr 30, 2014 at 3:49am
[2 replies] Last: Worked perfectly, thanks for your help Peter87! (by Cobain)
Im getting a huge number which is incorrect. please help.
 
I am brand new to coding and am trying to learn it myself, Im a business major thinking about switching to computer science, I am stuck with an basic if else st...
Apr 30, 2014 at 3:09am
[4 replies] Last: Thank you very much. :) (by closed account G20RfSEw)
2D Array Class constructor and operator[]
 
so to use in a bigger program I have to write a two dimensional array class, using a provided 1d array class (inheritance). I'm really stumped on writing the no...
Apr 30, 2014 at 3:02am
[6 replies] Last: Thank you. Got it. That's the reason for line 15 in your code. It per... (by closed account D80DSL3A)
by Tieria
In class sample program demonstrating header files won't compile?
 
Hey guys, In my C++ course we have just started dealing with programs that are comprised of a header, implementation and a main file. I am trying to get a...
Apr 30, 2014 at 2:53am
[7 replies] Last: Oh ok, thanks! (by Tieria)
Returning a pointer to a structure
 
Can someone help me fix this program, it need to return a pointer from this function, but i dont understand how to do so. #include <iostream> using names...
Apr 30, 2014 at 2:27am
[11 replies] Last: I solved it and got everything formatted. #include <iostream> using... (by derpmaster)
robot
 
even if i push the up or down key it wont change the feet number it always thinks its 20. Also how would i put a cap for the feet -1 and feet +1 look in comment...
Apr 30, 2014 at 2:01am
[1 reply] : i fixed it #include <iostream> #include <windows.h> #include <coni... (by kmtompkins)
Calling 2D vector elements is causing a crash?
 
Hi! Right now I'm trying to just have the grid() function print out the initialized tic tac toe board. It all compiles successfully but, for some reason I can't...
Apr 30, 2014 at 1:59am
[2 replies] Last: Oh, wow. I feel silly. I should probably practice with scopes of func... (by ECEsasha)
Need help!
 
I am trying to close the input and output files in my functions after im done with them, but i am getting errors when i pass the file name in. I cannot figure o...
Apr 30, 2014 at 1:47am
[1 reply] : void pay_report(string, string, ifstream, string, char, float); // ... (by nvrmnd)
increasing numbers
 
the error im getting is "operator has no effect; expected operator with side-effect" on lines 19 25 i also think this is the problem im having on my other progr...
Apr 30, 2014 at 1:30am
[1 reply] : n+1;//isn't doing anything. n++;//is incrementing the value of n by 1... (by closed account j3Rz8vqX)
Help with code for counting the occurrence of NUmbers
 
Hey guys, I am still new to C++ programming and I really need your help, I am trying to write a code that outputs a histogram of student grades. The program det...
Apr 30, 2014 at 1:08am
[3 replies] Last: Thanks guys I think most of the problem came with my sorting loop. I h... (by closed account Eh5fjE8b)
Getting a Total
 
I've been having trouble getting all my cin amounts to add together for a total amount that I can use within a void statement.
Apr 30, 2014 at 12:46am
[5 replies] Last: the other way would be to use reference variables, but that's a tiny b... (by pepstein)
key pressed
 
how would i read if different keys are pressed and output accordingly. #include <iostream> #include <windows.h> #include <conio.h> #include <cstdlib> ...
Apr 29, 2014 at 10:37pm
[1 reply] : if( GetAsyncKeyState( VK_LEFT ) & 0x8000 ) (by closed account j3Rz8vqX)
by Fner
Need help with a running total
 
So basically i need to keep a running total of the amount of tickets, single and return ticket, amount of stops and the total price. Any help would be greatly ...
Apr 29, 2014 at 9:52pm
[4 replies] Last: Still can find a solution. Think i may be putting it in the wrong plac... (by Fner)
I NEED URGENT HELP?!?!?
 
During a loop (for loop), say the user inputs a number and the loop repeated itself the number of ti.es the user inputed. During these repeats, the user inputs ...
Apr 29, 2014 at 9:40pm
[1 reply] : you could just create a variable called total or something and have a ... (by pepstein)
What should I do after reading Accelerated C++, and also Programming Principles and Practice Using C++?
 
I've got two great books, Accelerated C++ by Andrew Koenig and Barbara E. Moo, and also Programming Principles and Practice Using C++ by Bjarne Stroustrup. ...
Apr 29, 2014 at 9:31pm
[no replies]
Maze game, inputting into 2d vector
 
I am attempting to create a maze that is imported from a file and then placed into a vector that holds a vector of bools but I am not good yet with vectors. My ...
Apr 29, 2014 at 9:29pm
[1 reply] : any ideas on how to do this? (by pepstein)
help please!
 
sorry I just can't figure this out. I want to output an error message whenever I input letters and numbers with letters. please help! thanks! #include ...
Apr 29, 2014 at 9:29pm
[5 replies] Last: thankyou again! very much appreciated. (by emeriffic6969)
What will this rand generate?
 
Can some one help me what will AJ =(( rand() % 20 ) + 1) * 100 ; generate and how does generation take place?
Apr 29, 2014 at 9:19pm
[1 reply] : It will create a random value. Then mod it by 20; limiting its value ... (by closed account j3Rz8vqX)
April 2014 Pages: 12345... 67
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