General C++ Programming - C++ Forum

So I have made a text based role playing game and pretty much when the character gets to a certain coordinate on the map they receive the option to go into the ...

[3 replies] Last: It would be better that you define a stream insertion operator, to sim... (by viliml)

by jake eum

input string as number

Im dealing with very big number. so i want to use string for my number like str = '123456...' but how you input number but consider as string ? GMP is not ...

[1 reply] : It'll be easier if u change int num to char and break on '0' int ... (by soranz)

by jake eum

string and numbrs.

if I'm dealing with a very large number some one advice me use string instead long long(or other ) for example string temp ="012345"; but my program...

[7 replies] Last: I haven't looked through the UVa site, but I doubt that GMP will be ac... (by Duthomhas)

by writetonsharma

Directed Graphs

Any ideas on data structure to represent directed graphs which is efficient on time? This can be implemented using adjacency lists (as linked lists) but when...

[9 replies] Last: Finally its finished (kosaraju's algo for finding strongly connected c... (by writetonsharma)

by Nisheeth

Help regarding Error in declaring an array of struct

The first thing is, I was making this program in the school, and so I must use Turbo C++. This is how my code is (somewhat): struct X { char a ; ...

[10 replies] Last: C++ was one of the optional subjects in the school. I took it because ... (by Nisheeth)

by pankajp59

encrypt /decrypt

guyzz a string and a integer or any other values can be encryped if data type is same but what bout when we have all the type of data to be encrypted

[3 replies] Last: really simple. say you have this as a string char * say="EMIN3M$$$***... (by sigmablack)

by nrozas

Problem using MySQL libraries

Hi all people!!! I'm new in C++ programming, and I'm working in a project to access to a database in a MySQL 5.1 server. I installed wxDev C++, then installed m...

[4 replies] Last: Possible you link with debug library and run with release. Try to ins... (by Ivan Sidarau)

by Brody

Simple Return By Reference Example

Shouldn't this return the same vector and the outputs be equal?? #include <iostream> #include <string> #include <stdio.h> #include <stdlib.h> #include...

[3 replies] Last: ooooh, yes just looked up return by reference again. Totally missed th... (by Brody)

by DeepBlack

Debugging ptrace

Hi, 2 Questions! 1. I am relatively new to coding on linux, I have a requirement to understand 'ptrace' code. Can somebody suggest how I could get the so...

[2 replies] Last: Thanks! (by DeepBlack)

by ToniAz

How smart is the Compiler with math.h

Hello everyone! I have hit the speed wall and it seems that floating point operations is holding the application back from early completion, though I doubt t...

[2 replies] Last: VC++ defines a pow(double,int) overload that uses a loop instead of c... (by modoran)

by ToniAz

Can't find build options in MSVC

Hello everyone! I want to use Code::Blocks with gcc for this one, but nooooo, MSVC is better!! I'm very frustrated, been struggling for a while now with tryin...

[9 replies] Last: You could use Microsoft compiler from Code::Blocks too (you need the l... (by modoran)

by jake eum

find nth palindrome number

Im doing find nth palindrome number project let say 12th palindrome number is 12 and 24th palindrome number is 24 int n; int count =0; while...

[12 replies] Last: actually i found all the patterns.... there is 10 or more patterns whi... (by jake eum)

by chrishans

Very long output partially dissapears from console?

Hi! I don't know how to explain this. I have a programme which prints a lot of lines (720) on the console, but when it finishes, I just can see the last 300, th...

[2 replies] Last: Thanks! That's what I needed!:D (by chrishans)

by blueshift

ifstream functor (C++ Primer Plus Exercise)

Hi So this is an exercise problem from C++ Primer Plus, I can't say I really understand the question fully but have done my best to answer it, question is as...

[8 replies] Last: GetStrs line 17: fin >> ch; should be: fin.get(ch) otherwise blank... (by blueshift)

by cgyan

splitting std string with delim

Hi, Curious problem here with splitting a std::string at a desired delimeter whereby the split seems to be happening at the wrong place. I am using the suggest...

[7 replies] Last: Yes, good lesson learned there. Thanks for the tip! (by cgyan)

by jake eum

why this is happening with pow function 10^x function

jegop(10,10) should not looks like that do u know why? int jegop(int a, int b){ if( b ==0) return 1; int i; int c=0; c=a; ...

[6 replies] Last: Isn't it based on the bit count? (by S G H)

by BecauseOthersWereTaken

Build Error, Undefined reference to [function]

Hi, so I have written a program to help me learn virtual methods, and I get an error every time i build it, saying: <path>\12-10_DataSlicingWhenPassingByVal...

[2 replies] Last: *facepalm thanks! (by BecauseOthersWereTaken)

by vrakas

Memory and execution time relationship

how does memory affect execution time? for example if i have the choice of a loop of complexity N OR creating an array arr (2 million), which one should i choos...

[2 replies] Last: The specifics of memory allocation change between operating systems, b... (by Computergeek01)

by akramm

i would game ( source )

I want a game of the language C + + will be run with the msdos example : a game calculates your age or Knowledge of intellectual abilities i need the game...

[1 reply] : We don't ask for free stuff like that in here. We search for it. See... (by webJose)

by jake eum

palindrom question

Im coding to guess nth palindrome number. for example 12th palindrome number is 33 I have been tried to write the code to find next palindrome number ...

[1 reply] : http://www.cplusplus.com/forum/general/75459/ (by viliml)

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General C++ Programming - July 2012 (Page 13)