General C++ Programming - C++ Forum

Hello, I am trying to run my c++ programm and I get the following error in debug mode R6025 Pure virtual function call and in release mode it interrupts th...

[3 replies] Last: http://support.microsoft.com/kb/125749 (by kbw)

by dkaip

another copy problem ...

I work on code blocks, the file is in utf8. When runs i take the problem. Program received signal SIGSEGV, Segmentation fault. wchar_t *s1(L"today is a be...

[3 replies] Last: wchar_t is a wide char, a permamently wide char, i.e. Unicode. You ar... (by kbw)

by err0r1212

(SOLVED) "Ignore this" code ~ General Question

Hey guys, I am writing this code, and I just want to make sure one part of the code works while another part is incomplete. How can I have it so that a segme...

[5 replies] Last: An */ ending comment block operator doesn't act like a brace. One will... (by eker676)

by jzackt

names will not switch using bubble sort

Im trying to rank a class from least to greatest by average, but Im trying to switch the names along with them, but the names do not switch. Can someone help me...

[2 replies] Last: names_array is a char array. Thanks i will try strcpy (by jzackt)

by gmghulamabbas

getline (1,2)

I am to write a program in C++ to input my complete name and adress during program exicution and then print it on the secreen. Main problem that i am facing ...

[26 replies] Last: You don't have to press enter twice, the second time you pressed it wa... (by Bazzy)

by comput14

to count the number of spaces vowels consonants and digits in a line

wads wrong with tis... #include <iostream> #include <cstdlib> #include <cctype> using namespace std; int main() { int digit=0,consonant=0,space=0,vo...

[2 replies] Last: If you ever want to check multiple inequalities, you need to use a log... (by jdd)

by comput14

how to count spaces in a line

wads the problem with tis... int digit=0,consonant=0,space=0,vowel=0,i,c; char text ; cout<<"Input a line of text terminated with the @ character -> ";...

[2 replies] Last: That program is counting the number characters in the string. If you w... (by Bazzy)

by Tristanm

Grab unknown number of integers out of a C++ string

I have a string that looks something like "Cell 4,102,210:13" The problem is that I don't necessarily know how many numbers are separated by a comma and how man...

[1 reply] : You can use stringstreams to get numbers from a string and a vector to... (by Bazzy)

by writetonsharma

Creating a two dimentional array.

Guys... was going through a post in beginner section.. Creating a 2 dimensional array in C out of curiosity, if we have this: int **ptr; what c...

[9 replies] Last: In C++, you can always do something like this: //Create your po... (by Tristanm)

by ilyes

destruct a set of classes

hello, i have a question a about destructor. if i have a set of classes #include <set> set <classe_name> exp; should ...

[2 replies] Last: I don't think it's needed. Say for instance: // ifndef BOB_H //... (by closed account S6k9GNh0)

by n4nature

abstract class

http://en.wikipedia.org/wiki/Prototype_pattern#C.2B.2B In the prototype pattern described on wiki page in the link above, the class Record has a pure virtual...

[5 replies] Last: Thanks! (by n4nature)

by ilyes

set of class

hello, i have a problem with set. the problem is not the declarartion: set<TS> sec_ts; TS* t=new TS(w); sec_ts.insert(*t); the insertion cause an erro...

[4 replies] Last: that is a good RQ ! my pb is resolved!!! (by ilyes)

by Disch

Derived function chainging problem

I'm having a design problem that maybe someone here can help me with. It's pretty tricky, but kind of fun. - I want a class which has a bunch of properties ...

[2 replies] Last: template< typename Derived > class A { Derived& a() { return ... (by jsmith)

by ilyes

a problem with the operator < in a set of class

hello, i need help!!! i have defined an opetarator in class TS bool operator < (TS const & t) const { return this->getcoutinuity_counter() < t.getcouti...

[2 replies] Last: Also assuming you ever write the destructor to free the memory allocat... (by jsmith)

by Garandy

Chess board program.

I'm supposed to be writing a program for a programming class that involves taking an infinitely scalable chess board, and randomly placing queen pieces on it in...

[8 replies] Last: actually your design will not be able to solve the problem which are d... (by writetonsharma)

by comput14

programe to perform Matrix Multiplication for 3x5 and 5x3 matrix.

can someone tell me wads wrong with my program.. #include <iostream> #include <cstdlib> using namespace std; int main() { int Table1 ; for (i...

[8 replies] Last: Look at two for loops for(int i=0;i<5;i++) ( for(int j=0;j<5;j++)... (by buffbill)

by ltrane2003

Merge Sort

My directions are to create a program that will read two files containing a sorted number of integers and merge them into one with all the integers sorted in de...

[9 replies] Last: You can do this using two boolean functions more () and copy() providi... (by buffbill)

by chaseshaw275

Insertion into Linked Lists

I'm trying to use insertion into a linked list by position. i.e. numbers.insertByPosition(0.5, 0); that's my function call and the first parameter is the...

[3 replies] Last: notice that while (nodePtr != NULL && nodePtr -> value < value) is... (by Gumbercules)

by ehullz

Maximum Velocity Problem

I am completely lost on this one - I've been told I'm making it too hard, but I'm still not seeing it... I'm not asking for a complete answer, any help is appr...

[11 replies] Last: Well you could do something like: while(r>max_r) {//calculate r ... (by buffbill)

by firedraco

Overloading opreators error

Well, I am overloading the << and >> operators for two of my custom classes, and I am getting this error: Error 4 error C2248: 'std::basic_ios<_Elem,_Traits...

[4 replies] Last: Ok, I found the error. There was another function I was calling insid... (by firedraco)

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General C++ Programming - April 2009 (Page 19)