Beginners - April 2015 (Page 33)

Need help with my programming project
Hello, I need help with my programming project here. My project was simple time converter which i manually plus the time.However I am having trouble for some co...
Apr 12, 2015 at 3:20am
[no replies]
Need help with classes
Hey all, I can get the out put for the child classes to display but not the parent class. Product.h #ifndef PRODUCT_H//This builds a library of the Produc...
Apr 11, 2015 at 11:54pm
[7 replies] Last: I found it. Think ive been staring at it for too long lol (by specter113)
by kccpo
A little help with a equation please
Hi all, I have a program for school that I've started and it is very close to working but for some reason the calculation for the occupancy percentage isn't wo...
Apr 11, 2015 at 11:22pm
[7 replies] Last: LOL Totally understand that! Thank again! Cheers (by kccpo)
by slour
File location
Can someone point me to the tutorial that will tell me how to have a user enter the location of a file that will be in ported into a program. I know how to do i...
Apr 11, 2015 at 10:49pm
[2 replies] Last: okay, too easy thanks. (by slour)
by zelong
How could I substitute a value in c++
Hi,This is my final project of my first semester. and i got a question when to substitute a value-discount of the item-in the program. It appears at the second...
Apr 11, 2015 at 9:57pm
[1 reply] : I know there are some other errors in the program, but I am trying to ... (by zelong)
Please explain register getchar_unlocked()
Why is c=gc() is in the increment part of the for loop header? What exactly is it doing? Also what is the register keyword? #define getchar_unlocked gc...
Apr 11, 2015 at 9:45pm
[3 replies] Last: No, that line defines getchar_unlocked as being a macro for gc() . ... (by LB)
simple cin and cout
Hi, I'm trying to print name: and Grade: on the same line. how can I do that? string studentName; int studentGrade = 0; Student Student_1(&stud...
Apr 11, 2015 at 9:43pm
[7 replies] Last: As I already said, it isn't possible to have "Grade: " appear on the s... (by LB)
My program keeps failing....Help!!!
Could someone run my program and tell me what is wrong please? It keeps failing and I don't know what to do. Thanks #include <iostream> using namespace...
Apr 11, 2015 at 8:47pm
[1 reply] : int getScore (int testScore, int i, double total); Why is this insi... (by TarikNeaj)
Direct data to different instances of a structure
I am almost done with this code, I just have one problem holding me back. I want to be able to enter several events into the structure EVENT. At this point I c...
Apr 11, 2015 at 8:29pm
[6 replies] Last: struct Date { int day; char month ; int year; }; struct Eve... (by hyperfine)
Rectangle Structure - Better method for encapsulation?
The structure below for a Rectangle object works, however I am wondering if there is a better way to go about encapsulating my variables. There are two that ar...
Apr 11, 2015 at 6:08pm
[1 reply] : The point structure if for some reason you think it would be helpful t... (by HellfireXP)
I'm getting errors that I don't know how to fix. Please Help!!!
I'm getting a few errors that I am not sure how to fix. Any help would be greatly appreciated. Thank you. #include <iostream> using namespace std; #in...
Apr 11, 2015 at 5:44pm
[7 replies] Last: int getScore(int, int, double total); // total has to be double not i... (by TarikNeaj)
Brick game in graphics.h
Hi. First of all I want to apologize for my bad English. I want to do a C++ brick game using graphics.h library. I am getting 2 errors saying that 2 of my fun...
Apr 11, 2015 at 5:28pm
[no replies]
Define a structure member that is inside another structure
I am trying to create one structure for DATE and a second one for EVENT. I want to link the DATE structure inside the EVENT structure. I think I have that par...
Apr 11, 2015 at 4:45pm
[4 replies] Last: because I'm an idiot... Thanks, that worked! (by JMac618)
help with a point, shapes cmath program
hi guys I am trying to use a Point class, to draw a few derived shape classes and calculate their geometry. The code I've got is compiling propoerly, but the o...
Apr 11, 2015 at 3:44pm
[2 replies] Last: ahh yes, I forgot the calculation step! thank you. (by monparlour)
by savanh
need hlep please
hello everyone, i need your help with this code ,i try to do dynamic_cast just to understand ,is my way corect ?!.cuz doesniot work ,please help me with it, i h...
Apr 11, 2015 at 2:42pm
[2 replies] Last: dynamic_cast<loli*>(&d); (by fg109)
Function in class
I want to use funtion case 2 to print out all values but it not working. I dont know why and couldnt find any examples. This line gives the error: konto.skri...
Apr 11, 2015 at 2:28pm
[1 reply] : void skriv_kontolista(vector<Konto>&konton); // This is what your fun... (by TarikNeaj)
Reading values from text files
Is is possible to retrieve a (double) value from text file for calculation?? void billing_system() { int quantity; char ans; double item_total, tot...
Apr 11, 2015 at 2:24pm
[1 reply] : This is my file. void product_menu() { int ans; cout << "\n1. Add ... (by deadripx019)
by Jekee
Verifying if a string is a number
Hello all, Customary warning: I'm a noob I need to know the most efficient way to check a string and verify that it is a valid number, which means: All...
Apr 11, 2015 at 1:30pm
[2 replies] Last: When I did it a few months ago, I used isdigit http://www.cplusplu... (by TarikNeaj)
Few operator overloading that bothers me
Hi, I was faced with this exercise where i have to create my own unique_ptr so i had to overload operators -> , * I found some stuff on stackoverflow and...
Apr 11, 2015 at 10:40am
[3 replies] Last: Cant believe i missed that it worked. I thought i tried it and it didn... (by etrusks)
Reverse a string and calculate ASCII difference
This a problem in HackerRank named "Funny String" where we are asked to output Funny if the ascii difference between the characters of the string and the revers...
Apr 11, 2015 at 10:29am
[1 reply] : Is funny IF difference for each pair is same. In other words: is not... (by keskiverto)
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