Beginners - C++ Forum - May 2011 (Page 17)

I have two diverse versions of Microsoft Visual Studio, one that is 2010 Ultimate, and the other that is 2010 Express Edition. So just the other day I was debug...

[9 replies] Last: So I have to assign a value for valid? Here is how to assign a valu... (by Moschops)

by nightshade

What is the Order of Complexity of this algorithm?

I should to solve this problem in the most efficient way for a school project but I can not determine the Order of Complexity. For a given numer s>7, I shoul...

[1 reply] : I don't really know about O of this code. Nested for loops somehow imp... (by hamsterman)

by bbcc

member functions

Could any one help me with this please: G4RunManager::GetRunManager()->SetRandomNumberStore(true); where G4RunManager is a class name. So GetRunManag...

[7 replies] Last: You need to break that down into individual calls 1. what does GetPar... (by kfmfe04)

by IvanLi

need help in urgent, why segmentation fault during read file

experts i got a annoying error message from my program here is the code int main(int argc, char *argv ) { string file = argv ; ifstream fin; ...

[1 reply] : What's str? Using a char* does not mean unlimited memory. You can use... (by hamsterman)

by julof26

č,ľ,...

Hi everybody, I have a big problem I have a lot of text to rewrite from one file to another but some text I have to miss some parts som I created a program t...

[no replies]

by bbcc

constructors

Hello, I am in an urgent need of help with this expression. This is from a code that I have to work with: PrimaryGeneratorAction::PrimaryGeneratorAction(De...

[1 reply] : The part after : in a constructor is called an initializer list. In it... (by hamsterman)

by bbcc

Class II

Hello every body, This is an example of class II tutorial in this website: struct { string product; float price; } a, b, c; a = b + c; The code abov...

[1 reply] : [quote=bbcc]does it mean that if we want to use operators we have to d... (by anonymous23323124)

by qurilly007

simple scanf() problem

Dear Experts- Here is my very simple code where I am trying to input each lettre of user's name and then finally display the name:- void main() { ...

[1 reply] : scanf() read two characters instead of one, the input character and ... (by matsom)

by bbcc

Class

Hi Every body, 1)Can any one help me with the emaning of *the static method of aclass* I wonder if a class has a dynamic method as well! My another questi...

[6 replies] Last: That' great thank you:) (by bbcc)

by ealforque

Problem on Array Declaration

whats the problem of this declaration int getLength(char* str) { int i; for(i = 0; str != '\0'; i ++){} return i; } void concatenate(cha...

[1 reply] : Q: whats the problem of this declaration A: Errors: -expected const... (by matsom)

by ealforque

Runtime Error Check Failure

Can someone explain why this produce errors.. char temp = ""; temp = 'a'; temp = 'b'; temp = 'c'; temp = '\0'; please advice. thanks

[4 replies] Last: The second one is no better. The type of string literals is const char... (by hamsterman)

by NewProgrammer

Parallel Assignment

Hi guys, I just came across this code fragment. The last statement is the part of interest void DLinkedList::add(DNode* v, const Elem& e) { // insert new nod...

[2 replies] Last: [quote=NewProgrammer]I want to confirm that the last statement is a pa... (by closed account z05DSL3A)

by pcworx

Can some one tell me what LOCATION is?

// begin rectangle.hpp #include <iostream> using namespace std; class Point // holds x, y coords { // no constructor use default public: void SetX(...

[4 replies] Last: yes exactly...damn I don't know I just found out I have some traumatic... (by pcworx)

by Kelevra

Collision Jump 'n Run

Hi folks, i am still working on my 2D Jump and Run game. But I have now a problem with the collision detection. My idea was since it is a tile based game to ...

[3 replies] Last: Hi, I see what you mean Athar my way was around the problem. I changed... (by Kelevra)

by amaac

Problems STL string.substring and strtoint

I have this part in my code where i want to make a substring of a string into an int with my str to int function. I have functioning code. I am wondering why i...

[4 replies] Last: Athar You have been a great help. Thankyou for explaining that to me. ... (by amaac)

by black yurizan

Vector Char and saving files

Can you use vector char's to save files with ofstream? Also does anyone know how list the files that you created with fstream?

[2 replies] Last: hints : by vector (1)std::istreambuf_iterator<char> or use string to ... (by stereoMatching)

by joshiv

Matrix manipulation

I have a function with the following prototype: void replaceZero(int matrix ){ } I want to get the number of rows in this matrix. Is it possible...

[6 replies] Last: If you don't have too many different types of matrices (with different... (by Duthomhas)

by scarnet

cin.get & cin.getline doesn't work

can any1 tell me why all cin.get and cin.getline in this code doesn't work???? #include<iostream> #include<istream> #include<fstream> #include<string> using...

[1 reply] : Your problem is line 51: cin>>x; This leaves junk in the input buffe... (by firedraco)

by orbit316

Having trouble understanding logic of Functions

I'm using a book to teach myself, and one chapter is dedicated to understanding functions. However, when I look at the example it has given me, I can manipulate...

[9 replies] Last: ^e.g. bool prime(int); //later bool prime(int x) { //defines the ab... (by firedraco)

by Deymark321

How i made this game?

How i make the game from here http://www.cplusplus.com/files/tank3b5.zip I ahve Vs c++ 2010 and devc++

[1 reply] : I see a .DEV extension in there. My guess is that you need Dev-C++, ... (by closed account zb0S216C)

C++

Forum

Beginners - May 2011 (Page 17)