General C++ Programming - C++ Forum - December 2010 (Page 3)

i am trying to write a program that that accept list of names in vector, write them out, remove a name, sort the list save it to file. wondering if i could get ...

[2 replies] Last: thanks hamsterman here is my forst code. we can start from there. ... (by jaguar)

by elektroc

Question about roy-warshall algorithm

What is the main logic of roy-warshall algorithm on trasitive closure of set and how we use this algorithms on conflicts problems Regards

[1 reply] : http://en.wikipedia.org/wiki/Floyd–Warshall_algorithm (by hamsterman)

by hannes

array of pointers to functions

Hi, I know how to make a pointer to a function, something like this: double (*function)(void); This creates a pointer to a functions which takes no a...

[1 reply] : typedef int ( *ptr2Function ) ( int ); ptr2Function arr1 = {... (by srinathduraisamy)

by dkaip

Problem with getline

I am in windows xp, gcc, codeblocks. When run the cout<<textFile<<endl; gives c and the file not opening. Where i have the error? Thank's vector<st...

[3 replies] Last: Ok i just open, many thank's. (by dkaip)

by rambleberry

Can't use printf, have to use cout?

Why can't I store text in a string and use printf() to output whatever is stored in there? I'm only doing this, because I'm trying to pass strings to another f...

[6 replies] Last: http://www.parashift.com/c++-faq-lite/input-output.html#faq-15.1 http... (by Duthomhas)

by airerdem

Reading text into integer vector

Hi everybody, I really need that code, I have a text file 32 4 12 13 4 12 0 0 0 0 0 3 2 3 4 and I want to convert it vector or array like A ={3...

[3 replies] Last: You are kidding, right? You are mixing C and C++ I/O (don't do that if... (by Duthomhas)

by systemctlmuser

Issue with string length

Hi, I have a simple code which takes an integer, and for each byte of integer is concatenated into a string. ---------- unsigned long a = 0x123456781234567...

[1 reply] : you are treating " a " as a null terminated char string, which is not.... (by Bazzy)

by Doth

Visual C++ Question

I was using Dev-C++ till now , everytime i made a misstake the line was highlighted in red. Now i started using Visual C++ 2008 build shows 1 failed but it doe...

[2 replies] Last: Thank you , its working now. (by Doth)

by wing913

replace all '.' to space in a string?

I have an ip address represented by a string like "192.168.1.1", is there any simple ways for me to conver all the '.' to spaces in this string? string ip("...

[2 replies] Last: Easiest way, IMO: #include <algorithm> string ip("192.168.1... (by jimc)

by waqqassheikh

Rocks Papers Scissors always picks rocks

I wrote a Rocks papers Scissors game with an assumption that -when the opponent wins the last game, he uses the same move the next game -when the opponent loo...

[2 replies] Last: Can't believe I missed that, Thanks!! :D (by waqqassheikh)

by nipolo

is there such a function

I want to know if there is such a function that can substitute the fragment: Return_type function() { Return_type result; cin >> result; retu...

[3 replies] Last: No, your choice of a priority_queue () explicitly removes any such po... (by Duthomhas)

by RichBMB

What does this mean?

Greetings All I'm battling to understand the following code segment: float m,n,gamma; ... ... float y1 = (n - m & 1 ? -gamma : gamma); m, n and ga...

[4 replies] Last: Brilliant. That makes sense. Cheers! (by RichBMB)

by jumper007

OpenGL question

I have this OpenGL program. Can it work, what it does , (is not done by me, it was generated by my wxDevC++) /************************** * Includes * ...

[1 reply] : It works fine. What was the question? (by hamsterman)

by kurimaw003

can some1 try 2 correct these codes...

#include<stdio.h> #include<string.h> #include<stdlib.h> char letters ={'a','b','c','d'}; int unique(int i, int n ); void shuffle(){ int i, a, n ; cha...

[2 replies] Last: what errors does it have? let me rephrase, what kind of errors are ... (by Seraphimsan)

by pathfino

macro define and return value

hi all, i came across below codes which i don't understand. appreciate if you can provide some explainations. what is the meaning of defining "0x1"? wha...

[7 replies] Last: thanks guys for your info. appreciate that. (by pathfino)

by like2codecpp

trouble with structs

ok im writing a program and in it it has two files im trying to access an array from the second file wich is declared within a struct but when i compile i get 3...

[3 replies] Last: to-may-toes to-mah-toes (by ne555)

by lovelyhakeem

lower to upper (1,2)

i wanna to make a prog which convert small case letters entered by user to upper case letters....i TRIED to use toupper function ...but it only do action with ...

[24 replies] Last: Exactly Joe, your solution only works on one computer, which is why ... (by rocketboy9000)

by joeneldeasis

strings in c

Guys all i want to know is how to do this, for example i have a string "experiment", in the word "experiment" we can make a word "ten", "mint", "rent", "time" a...

[11 replies] Last: you guys are all genius tnx for the help :D.. sorry beacuse its my fir... (by joeneldeasis)

by closed account 1yvXoG1T

Static linking libraries

I'm trying to remove the dependency on libgcc_s_dw2-1.dll and have been trying to static link libgcc to do so. I'm using Code::Blocks using the MinGW compiler ...

[8 replies] Last: This is exactly what I need. Thanks alot :D (by closed account 1yvXoG1T)

by soumyaxyz

a text encoder

I wrote this encoder program a while back. The program originally used two different text files and a different logic. the program worked fine. I recently i...

[5 replies] Last: i dwnloaded devc++ but i cant compile Anything at all i keep o... (by soumyaxyz)

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General C++ Programming - December 2010 (Page 3)