Beginners - C++ Forum - August 2015 (Page 5)

Iam just kind of stuck here int basic program of queue, Can anyone help?? class dq { int cap; int front; int rear; int qu ; public: queue(int x) ...

[4 replies] Last: Thanks!! #Mikey_boy it worked ! (by Arya Giri)

by Dazzer

The use of "const"?

This from the learncpp website regarding the use of "const": "Normal local variables are subject to local scoping rules, meaning they can only be accessed in t...

[9 replies] Last: const is far more useful than that - const-correctness is most usefu... (by LB)

by chipp

morse code

i'm trying to create number to morse converter, but i got weird errors. my code: #include <iostream> #include <limits> int main () { char nums = ...

[12 replies] Last: @andy: thank you so much!!! i've been staring the code tens of times (... (by chipp)

by fiji885

Unresolved Externals

I don't see what's wrong with my code... I have declared my functions and gave it definitions, but it still gives me 1 unresolved externals. I've been trying to...

[4 replies] Last: That's because he is not compiling the file. @OP: you need to add gam... (by ne555)

by HOAX823

Returning a value.

Hi, Can someone have a look at this code please. I am trying to get a function to return a value but it doesn't seem to work. I know i am doing something wro...

[5 replies] Last: Cheers MikeyBoy. In fact while we're on the subject of passing values,... (by HOAX823)

by peterbaaij

types and template

There is something i don't quite understand in the example below. When calling the function are_equal from the main, it is done with an int (10) and a float (...

[1 reply] : Sorry, i figured it out. I may compare float with int. But which one i... (by peterbaaij)

by funprogrammer

Hash Table

How would I be able to store a negative number in hash table? Would it work the similar to how hash for positive numbers are calculated?

[3 replies] Last: I think Duoas is correct. I think negative number gets converted to a ... (by funprogrammer)

by Dazzer

Working with decimal places and one other language thing...........

Hi guys, I have two questions about the code below: 1) How do i change the code to display the decimal values correctly? 2) Imagine the exchange rate was exact...

[5 replies] Last: Thanks dude! :) (by Dazzer)

by soulworld05

Problem with graph.h

I use Dev-C++ 5.11 Im reading Programming Principles and practice using c++. First problem i had was unable to use std_lib_facilities. also Graph.h and Si...

[15 replies] Last: OK, thank you :) (by Parisa)

by helios103

Learning about new with classes

so i just finished learning about copy oonstructor and I'm now learning new and delete. And I'm very puzzled on why people would use a pointer when defining a c...

[3 replies] Last: There are at least three semi-independent topics here. First, the poi... (by keskiverto)

by anarelle

Reading strings into struct causes extra new lines

I'm having a hard time with reading data from keyboard and storing it in a struct variable, on a C++ console program. My struct contains data about a book ...

[16 replies] Last: Dear whoever is reporting my posts, you're not accomplishing anything ... (by LB)

by estephan

just a general question

Is it me or do a lot of new programer not comment their programs? Just asking cause when i was doing this in college in the early 90 that was beaten into me to...

[13 replies] Last: I often start with comments that give pseudocode for what I want to do... (by dhayden)

by anarelle

One extra loop when reading struct from file into a vector

I have this struct with 2 strings and a long, which I read from keyboard and save into a text file like this: struct libro { string nombre; string genero; ...

[4 replies] Last: Why do they work as a condition on a while loop then? Because stream... (by AbstractionAnon)

by Tzaks

Writing to a file.

Hello,i am trying to write a file with input name from the program and then to write in the file something else.. How can i create the file with the extension ....

[2 replies] Last: Thanks for reply but i already read that. If i use like "example.txt" ... (by Tzaks)

by PSYCHAMERON

Sending file stream to a function.

Hello, everyone. I'm new with this type of topic. So I need your help. Suppose I have these two functions- void fo(ofstream& o) { o << " Sarker."; } v...

[4 replies] Last: How little I know! Thanks, however... (by PSYCHAMERON)

by kimrobert

ifstream inside a while

PLS HELP ME... IS THIS CORRECT.. IT IS POSSIBLE void traverse(void){ node*temp=new node; temp=head; while(temp!=NULL) { string line...

[1 reply] : Don't loop on .eof() or .good() , always loop on the input operatio... (by LB)

by codetojoy

sequence of events

In what order do these occur when the program "runs": Load time Language implementation time Link time Execution time Run time Compile time

[7 replies] Last: I am an electrical engineer. I am trying to earn a degree in computer... (by MikeyBoy)

by Slashdash

If function

Why does this not work? I want it to return a text like: Lets play if the request was Play #include <iostream> using namespace std; int main() ...

[2 replies] Last: Also, on line 13, Play has no quotes around it and is therefore not a ... (by shadowmouse)

by sk9294

unexpected output in C program (1,2)

I am new to C programming i am learning pointers so i wrote this, i expected the value of c to be 25.345 but it is showing some other big number pls explain... ...

[32 replies] Last: i wrote this in c (by sk9294)

by rakim87

SDL_BlitSurface function

For some reason xCode is not finding the SDL_BlitSurface(). I get a build error and the build fails. There must be some reason, I can't figure out what it is ...

[5 replies] Last: I used SDL_GetWindowSurface on line 39. Oh... yes you are :D I didn'... (by Peter87)

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Beginners - August 2015 (Page 5)