Beginners - C++ Forum - January 2011 (Page 40)

Invalid allocation size: 4294967295 bytes.

Hi everyone, I'm new here as you might have noticed. I've tinkered with programming a few times in the past but always stopped for one reason or another before...

[3 replies] Last: You're giving new a value of -1, and it's interpreting it as 4294967... (by hillm)

by vagelis

when does the conversion take place??

i want to do a summation between an object and an integer class Base { int x; public: Base(int a) {x=a;} //operator int() {return x;} }; vo...

[4 replies] Last: ok i understand you are corect it doesnt exist an operator of + with... (by vagelis)

by sloper

validate char input

Hello, Just starting C++ and programming.Writing a game program as follows char letter; cin >> letter; I have a while loop that allows only e for ex...

[3 replies] Last: i tried it nothing i think that this "while (letter != 'e')//while loo... (by wojciech112007)

by mlazt

odd number problem

Im just gonna get straight to the point... Im supposed to make a program that takes the odd numbers from 1000 -> 2000 and then show me the sum of them all...

[1 reply] : #include <iostream> using namespace std; int main() { unsig... (by modoran)

by vagelis

inheritance question

i have this code class Top { public: void f (int i) {cout<<endl<<i;}; void f (double d) {cout<<endl<<d;}; }; class Left :public virtual Top { }; ...

[2 replies] Last: ok thank you my friend!! (by vagelis)

by closed account 3pj6b7Xj

The mistake you'll probably make!

Beginners are excited about a new language but C++ has one little feature that has always annoyed me, after years of programming, I make the same mistake, time ...

[2 replies] Last: I also had this problem a few days back. I was working on something f... (by ProgrammingNoob)

by TheGeek

Cursor control in a tic tac toe game.

I am working on a tic tac toe program with a basic AI which is not yet implemented. I am stuck with the cursor control, I can get the cursor to move but with di...

[1 reply] : My 2 cents: It looks like you are trying to use the cursor on a comma... (by ericeps)

by gilbo

Sorting 2d array keeping row data together

Unsure how to succinctly explain my problem, but here goes. I have a class problem where I must input data from a file that has the name of an element and it...

[5 replies] Last: Now I need to sort alphabetically too! *SIGH* I cannot find anything f... (by gilbo)

by Mortifera

Calculates the extent of rectangles....

My problem is specific and brutally hard, so I'd love to, if anyone has any idea, help me: Each rectangle, may be partially or completely covered by another ...

[15 replies] Last: #include <iostream> #include<fstream> #include<sstream> #include... (by Mortifera)

by gilit2

unsigned char

When do we use unsigned char ? (and not simply "char"). (I know that unsigned char can be 0,..255 and char can be -128 , .. +127)

[5 replies] Last: Just thought I'd post a tip. Regardless of signedness, mixing signe... (by chronokitsune)

by miaOnDeLine

sort the vector which contain class

I having some problem in sorting. I need to sort things alphabetically. something similiar like these code... class A { protected: string name; ...

[5 replies] Last: - First bullet, you are passing variables by address so this declares ... (by Computergeek01)

by itayba6

find the size of string array

Hello assuming we have the next decleration: char *str_arr ={"hello", "foo", "bar"}; How can we programatically find the number of elements of that array? (w...

[3 replies] Last: What is with this site today, is everyone missing that part in the upp... (by Computergeek01)

by munir1

Fahrenheit to celsius

Hi, I have made a program "Fahrenheit to celsius" in Visual C++ 2008 express edition.When I debug it cntrol+F5 it is showing following error( i wrote in the ...

[1 reply] : There should not be a ; behind int main(). If that does not solve your... (by Kyon)

by Leppie

Another rand() problem

Still trying to create a roll playing game, and using rand to decide a coin flip issue (if 1 attack, if 2 don't attack) then rand again to decide defensive move...

[17 replies] Last: It seems like many people have problems setting up SFML. Personally I... (by Disch)

by maxg316

Problem with my program using functions

Hi,im building a Flight calculator program, which calaculates the fuel consumption needed for a plane. Im using functions and the program runs fine, but when I ...

[7 replies] Last: When it comes to a function just changing one variable you should retu... (by Computergeek01)

by king214

quick question.

What does the operator "->" do? Also if it's no trouble could I have a syntax example.

[3 replies] Last: Normally you access objects methods like this (saying that dog is my o... (by wolfgang)

by c monster

Pointers

I'm having the hardest time with pointers. I understand what they DO and how to use them, what I'm having a hard time grasping is WHY you would use them. Can so...

[8 replies] Last: good question stereoMatching, in java you will not be able to see the... (by chathura666)

by billyb29

Functions

I am a beginner and i wanted to know what does it mean if the function has a (&) before it name i mean like : int &SetTime (...) ?

[4 replies] Last: alright got it ;) thanks guys i really appreciate it . (by billyb29)

by learner21

column-wise display

I created a program to display the normal multiplication table. The last term and the table should be given by the user. The problem is that, if any bigger numb...

[4 replies] Last: Yeah it works..... Thanks. (by learner21)

by mlazt

Switch problem.

Hello I am kind of new to C++ and the programming stuff and I really want to learn it. So I went to the library and loaned some books and im halfway through the...

[3 replies] Last: Thank you guys very much. You dont know how useful this have been! :) ... (by mlazt)

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Beginners - January 2011 (Page 40)