General C++ Programming - C++ Forum

Then i run my program i get one last word out of all input words. But I need to get all with newlines. Help please. For ex. INPUT: print *hello* ...

[1 reply] : The problem is of course on line 31. You keep overwriting the input. C... (by coder777)

by stbb24

Big O notation O(n)

Can anyone explain the Big O(n) in finding the complexity of an algorithm? Thanks in advance

[5 replies] Last: Ok thanks for your replies :) (by stbb24)

by baordog

Adpating on old c++ book

I'm adapting code from Scott Robert Ladd's "C++ Templates and Tools". It's a very old book, and the code looks different from what I'm used to. Here's an ex...

[1 reply] : If it's an old book, don't use it. I'm not sure what standard it's bas... (by closed account zb0S216C)

by steve9164

Using the "using" keyword with classes

Hi, I am having a problem with excessive scope qualifiers (::) such as this: std::vector<Cube::Face> vecFaces = {Cube::f_RIGHT, Cube::f_TOP, Cube::f_RIGH...

[10 replies] Last: You cannot use the scope resolution operator on a enumeration. This is... (by closed account zb0S216C)

by Invader2010

A non-static member reference must be made relative to a specific object

#include <iostream> #include <Windows.h> using namespace std; class player; void name(player); int main(){ }; void name(player){ cout<<"What is your name...

[8 replies] Last: Remove these lines: class player; void name(player p); Also in the ... (by S G H)

by Datolius

Hi

Hi All. I am from Georgia, Unfortunately I don't know English well. sorry for bad english. I have one question about c++ programming. how can I create interface...

[8 replies] Last: thank you all for supporting :) (by Datolius)

by ianrogerb

stdafx.h

i am working on a c++ program so i can load an image it compiles except for one error coming up as unable to open include <stdafx.h> header file, i am using vi...

[1 reply] : It should never be: #include <stdafx.h> It should be: #include "std... (by kbw)

by revin

Project Euler

http://projecteuler.net/problem

[8 replies] Last: Wow...how did I never know about this site?? Very fun problems! So far... (by rollie)

by emptycl0ud9

Simple encryption program

Write a simple encryption program using string functions which apply the substitution method. Explain the program by parts. Here is the given substitution table...

[3 replies] Last: Here's a C++ translation: #include <iostream> #include <map> #includ... (by Cubbi)

by carbonera

x64 ports ...

I used to work for a medical company that ported an application to x64. In one of the meetings held, there was a discussion of whether to change in general ...

[8 replies] Last: If you feel like it's a good opportunity to enforce a company-wide cod... (by Cubbi)

by dancks

trouble with linked list

So, I'm using allegro game programming library. Before I move on to bigger and better things I wnat to get a handle on pointers. Specifically with things like s...

[1 reply] : for the newbies who are curious I figured it out on my own. I posted t... (by dancks)

by x1222

Calculating run time with O(nlog2n)

If the run time for the process is 0.4s for when n = 1000, what's the runtime for n = 4000; Should it be 4000log2(4000) / 1000log2(1000) * 0.4s? Or is i...

[no replies]

by closed account GbX36Up4

Makefile Libraries

# Link command: ASCII_RPG: main.o get_res.o loadalleg.o keyboardinput.o c++ main.o get_res.o loadalleg.o keyboardinput.o -o ASCII_RPG # Compilat...

[no replies]

by closed account 4ET0pfjN

Delete operator clarify

I thought when delete operator is used, the pointer gives back this memory to the heap, so after I delete: p_to_num, why does dereferencing it still output: 8...

[11 replies] Last: I'll look into it, I tried typing in Windows cmd: g++ -v and it gives ... (by closed account 4ET0pfjN)

by djungalio

Arrays and pointers

Hello guys, i have a problem. I have to make function that multiplies two matrices. One is array with 8 values and the other one is with size (8x3). I am stuc...

[1 reply] : Please edit your post, or reply, with source code so that we see what ... (by Catfish2)

by closed account 4ET0pfjN

emptying BST

Why doesn't root in main point to NULL but some other random address? void destroy_tree (bt_node* node) { if ( node != NULL ) { destroy_tree( node->le...

[7 replies] Last: Finally I figured it out, I was mixing up left->left @ each level of r... (by closed account 4ET0pfjN)

by jsheuirjfjekk

Colour

Hi, im wondering how to make randomly type letters. Like this for a example ---------------------------------------------------------------------- int A; A...

[2 replies] Last: int A; A = 1; while (A == 1) You can change that into: while(1) ... (by S G H)

by chacha17

printing words around

hey everyone, I stuck on this program which I trying to make a word print out but it looks like its moving. like example the words you see below the TV news sc...

[no replies]

by nefertum

Composite+Decorator in C++

Hi everybody, the GoF book and many places in the internet suggest the pattern Composite cam be often used with the pattern Decorator. This seems quite a nat...

[no replies]

by Hasala

Calling a function for each second

In my program I want to call a function for each second. Once the function has been called it should be called again after an exact second. Like this I want to ...

[2 replies] Last: If you don't have c++11: #include <ctime> using namespace std; int ... (by viliml)

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General C++ Programming - June 2012 (Page 10)