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General C++ Programming - May 2013 (Page 40)

how to store elements in a 2d vector and call them out.

Hi guys, i`m currently trying to implement a 2d vector to store x and y of type int. i have successfully passed it to the function, however i am unable to st...

[9 replies] Last: hmm ok thank you. Think i will look for other alternatives for that Th... (by CLearner88)

by mrpeed

What does this mean in C/C++?

1. typedef struct pq_item pq_item_t; 2. void *item; //what is type void I have never seen //void used like this...

[4 replies] Last: Thank you! (by mrpeed)

by CLearner88

lagrange interpolation for reconstructing shamir secret sharing

Hi guys, i`m currently having trouble with implementing a lagrange interpolation scheme for the reconstruction of shamir secret sharing . the formula is as f...

[no replies]

by pdaniels0013

Help with reading in rext files.

I was given these instructions for my college programming assignment, and I have done parts 1 and 2, and am having trouble on part three. 1. Use a function n...

[no replies]

by CLearner88

can`t store different values into vector by user input

Hi guys, i`m facing a problem. I can`t seem to store multiple values into my vector when a user keys in an input. Lets say a user inputs 1,2 as the first set...

[6 replies] Last: ok noted on that point! thanks for your help! =) (by CLearner88)

by mathewfer

File read / find - miss 1st line in file

Hi, I wrote the below code to find the line with "abc" as my parameter to strTosearch. I expected to the line 1st line but, this function always match the 2n...

[3 replies] Last: Hi Thanks. That fixed the problem. I did not catch it was not coming... (by mathewfer)

by anash21

Calling a class function error

So just for fun, I'm creating a text-based game. However, I've run into a problem with the character choice. int response; int myChoice; int section=0; i...

[5 replies] Last: you need to declare an instance of you class in the main program sto... (by Michaela Elise)

by pdaniels0013

Need Help on reading in text files

My college professor assigned us a program to complete. I am having trouble with a few of the methods. The first instruction asked that I "1. Use a function nam...

[1 reply] : Mostly right. The instructions seem to want the promptuser() to just ... (by Michaela Elise)

by vizorsx

SEEKING HELP FROM GURUS OF C++

HELP ME GUYS PLEASE Using the following grammar: <expression> := <component> | <component> + <expression> <component> := <factor> | <factor> + <component...

[1 reply] : Here ya go. This is very similar to what you need. Have fun!!! :) ... (by Michaela Elise)

by lypan

sort n-dimension point and keep track of original index

I have a set of n- dimension point store in `vector< vector<double> >` ex A ............. , and A = X, A = Y, A = Z and I want to sort the vector ...

[3 replies] Last: create a data stucture which contains a vector 3d and an integer. ... (by Smac89)

by avalanche1933

How to make Simon Says

How would i go about making a Simon Says game in c++ that would save the top ten highscores to a file and then if a new highscore is achieved, how would i reope...

[7 replies] Last: so simple, learn c++ lol (by Chriscpp)

by Anmol444

Quick Question

In this code: // Ex8_11.cpp // Perfect forwarding #include <iostream> #include <utility> #include <string> using std::string; using std::cout; using std::end...

[5 replies] Last: Also what do you mean overload resolution? (by Anmol444)

by Anmol444

Please help!!

In this code: // Ex8_10.cpp // Using a class template #include <iostream> #include <utility> // For operator overload templates using...

[17 replies] Last: It does VC++ does except there are no move constructors/assignment ope... (by Anmol444)

by rshaw2

creating 5 myfloat objects and 5 myname objects and sorting

Hey i have to create a program by creating 5 myfloat objects and 5 myname objects and sort them using a template function. Where you see question marks in the p...

[2 replies] Last: thank you (by rshaw2)

by GartRH

Tower Defense game - which graphic library?

Hi, I'm asking for help to choose graphic library. First of all: Sorry for my english, it's not my nativ languague. Grammar nazis can get heart attack by readi...

[1 reply] : I'd suggest SFML. (by firedraco)

by loisir1976

delete pointers, VC++, Debug Assertion Failled

Hello! I am having the error "Debug Assertion Failed" at the run time with the code below. I compiled the code with MVC++ 2010, in debug mode when I click on r...

[10 replies] Last: > I use delete for dr, data, (both are 'new' pointers) and result, ¿i... (by ne555)

by HereToHelp

Multiple Inheritance/Polymorphism

I have a homework assignment coming up that I am a bit confused on. The assignment basically states that we are to use Multiple Inheritance/Polymorphism to make...

[2 replies] Last: Thanks! That is exactly what I was looking for. (by HereToHelp)

by firedraco

2D Platformer Collision Detection

So, I've been working on my 2D platformer for a while, and I'm running into a couple of problems. I'm using a line based collision detection (Disch or Duaos sug...

[3 replies] Last: Bump. (by firedraco)

by tnjgraham

How to have a function be called every second

Hey, I am working on this project where I need a function to be called every second. At this time, I am thinking that I have to create a thread but I am clueles...

[5 replies] Last: With a thread, it could be something like #include <iostream> #inclu... (by Cubbi)

by twiggystardust

corruption of heap?

my program gave me this, "Windows has triggered a breakpoint in AllegroAnimation.exe. This may be due to a corruption of the heap, which indicates a bug in Al...

[2 replies] Last: > which indicates a bug in AllegroAnimation.exe (by ne555)

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