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General C++ Programming - July 2013

I am trying to teach myself file I/O by making a address book program where the user can create, edit, and list all of their contacts. The issue I am having is ...

[5 replies] Last: I get it now! I was trying to delete the file while it was still in us... (by iiApexii)

by gelatine

push back in 2D vectors ?

Hello I am trying to use push back in a 2D vector but I don't know how to. This is what I have: vector <vector <BigInt> > matr; for (BigInt i=0;i<rij;i++...

[2 replies] Last: Thank you (by gelatine)

by MilanChamling

milliseconds system time

I am a bit lost as I am new to C++ and programming in general. Can someone please help me with the following code. #include <stdlib.h> #include <stdio.h> #...

[3 replies] Last: Thanks Cire. (by MilanChamling)

by mosahab

Storing entire one array into one cell of another array

Take for example two arrays. int A = { {{1, 2}, {3, 4}},{{ 5, 6}, {7, 8}} }; int B I want to store the entire array "A" into B . Is it possible?...

[2 replies] Last: I am sorry! There is a way to store the whole array A in B . As array... (by vlad from moscow)

by TheBeardedQuack

Declaring array depth

Lets say that I need setup an array to store some information in a file and the file tells me how many dimensions this data wants and how long each array is in ...

[9 replies] Last: Yeah I know what he meant, but I'm just saying that the fact is someti... (by TheBeardedQuack)

by mosahab

Passing some part of a multiDimensional Array to a Function

Hi! How can I Passe some part of multi-Dimensional Array to a Function; for example only two dimension of three dimension of a an array with 3 dimension. This...

[3 replies] Last: For the array you used in the post (assume that it has type specifier ... (by vlad from moscow)

by DiptenduDas

Initializing a local one dimension array in c

Want to initialize a local one dimensional array. How can I do the same without a loop? Found from some links that int iArrayValue ={0}; will initialize a...

[7 replies] Last: I was addressing then why int iArrayValue ={4}; is not converted t... (by closed account z05DSL3A)

by dgsm98

What's wrong ?

I dont know what is wrong with my code so far...I just started the game and for some reason it says its failed . // First Complex Game #include <iostream>...

[3 replies] Last: could you post your code then? and i mean like did you type in for nam... (by closed account Dy7SLyTq)

by nt162

delete pointer in vector

Hello! I'm tying to create a program that evaluates all possible actions for a certain problem. So what i'm basically trying to do is to create a sequence...

[6 replies] Last: well actually i don't see why i shouldn't (and it works just fine by t... (by nt162)

by poohpooh

detect mouse position

Im trying to detect when my mouse is over a item. i can get it working if its a square shape an stuff. (LOWORD(lParam) > 133) && (LOWORD(lParam) < 154) && (HI...

[7 replies] Last: well my button is part of a image an its a irregular shape so thats wh... (by poohpooh)

by dgsm98

Confused on choices.

Hello everyone, I am currently programming a text - based game in c++. It is a fantasy/medieval RPG. Now you are able to set a class type, the three classes are...

[3 replies] Last: just fyi... in c++ you cant do a switch on strings without writing spe... (by closed account Dy7SLyTq)

by mosahab

Access to array by string of its name

I have an array called abee1. int abee1 ; I have done some string function (like: "abee" + "1" ) and have "abee1" as string which is the same as abee1. H...

[4 replies] Last: [quote=mosahab]I do not spam Well you have at least 4 posts about th... (by TheIdeasMan)

by meesa

Best way to store this data

I'll be using a much smaller example, for simplicity. I have three parts of data; a character, an integer, and a float. 'A', 2, 4.0 'B', 7, 3.825 'C', 5...

[5 replies] Last: Thanks Andy, always appreciate your expert advice :+) (by TheIdeasMan)

by erotavlas

[C++] Paired array and map: removing elements

Hi, I have a problem with array and map. Suppose I have an array of int of fixed size. Each new element is added to array after the last filled element. Whil...

[3 replies] Last: i think a structure that uses normal arrays will always be inefficient... (by Rechard3)

by foozhan

arrey dimension

hi all; how many dimension this arrey have? vector<vector<int>> opp ;

[2 replies] Last: vector<vector<int>> opp isn't a 2-dimensional vector; it's a vector ... (by andywestken)

by mosahab

Reaching data of differet array using pointer in the loop

My problem is as following. I have 3 arrays named: abee1 , abee2, myarray. I have loop that want to call abee1 , abee2 one each time and copy myarray into it ...

[1 reply] : You can't create a string and then use it as the name of an object in ... (by MikeyBoy)

by mosahab

Access to data of array while I have its name as string

The problem is as following. First, I have 21 arrays named: integer abee1, abee2, ... , abee20 and myarray all with the same dimension of . Next, in a loop ...

[2 replies] Last: You can't do what you want because C++ is not reflexive; the variable ... (by Zhuge)

by Afshord

HyperCube permutation

Hi everybody, I faced with a mathematical problem. I know completely the problem, I found its computational complexity, and I have written several programs, but...

[6 replies] Last: Thanks a lot! I wrote the program down in a special way.. (by Afshord)

by haroonRasheed

operator overloading + (adding values of arrays)

im trying to overload + operator; i have done a several time with simple objects for example PROTOTYPE: friend className operator + (const className &...

[no replies]

by cubluwt

The x++ and ++x operators

Hi, I'm newbie in programming. I hope can find answer in this forum. First of all, I have a program/code like this: int a, b a = 1; b = a++; cou...

[2 replies] Last: I see now...thank you so much... ^_^ Thank you for the explaination..... (by cubluwt)

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