Beginners - C++ Forum - January 2014 (Page 17)

Can't even manage this simple average function.

I don't know why but this doesn't work. #include <iostream> #include <string> using namespace std; int main() { double a; double b; double a...

[1 reply] : you can't make a local function inside another function double avg(d... (by rich1)

by Enies

AR Model programming

Dear user of le forum! Im am trying to implement an Autoregression model and estimating the parameters. The code I have so far, reading the data and calcul...

[4 replies] Last: Im so glad you took the time to help me out. I will program this now, ... (by Enies)

by Haruki1

Problem with files

File does not work.Does not record information.Please help! Compile program functions for: -Enter of a keyboard and a file into an array (by adding) data to ...

[1 reply] : Please, use C++ file handling. http://www.cplusplus.com/doc/tutorial/f... (by iQChange)

by Sharan123

fstream project 3

The question more conceptual type it works but the result is not what i expect shouldn't the output be the input that was of first loop because file is closed...

[3 replies] Last: You'll want a loop to read/write if you want to read/write the whole ... (by Chervil)

by Cambrid

C++ Mastermind Help

Teacher gave us a project that I just cannot understand. Our task is to write a program for the game Mastermind and in the game normally there are just four spo...

[7 replies] Last: If you want the computer to create a color arrangement for you to gues... (by Manga)

by Jimmy Rose

Move Semantics & Temporary Objects with Rvalue References

I just started reading The C++ Standard Library. It introduces move semantics and instructs you to get introduce to the topic elsewhere. After reading some thre...

[2 replies] Last: > It introduces move semantics and instructs you to get introduce to t... (by JLBorges)

by michelec

Boost graph library constructor

Hello, I am trying to construct a filtered graph in Boost Graph Library. The main steps of my code are the following: I define the following types: type...

[4 replies] Last: Thank you for your reply. How about using copy_graph? copy_graph(fG,... (by michelec)

by ichigox55

Using array in function

Hi, I have made a program that takes name as input(char)and then reverses the letters and displays it. It works completely fine. #include <iostream> us...

[2 replies] Last: i am inputting one character at a time, it was in my assignment so I h... (by ichigox55)

by Alby94

Problem with main's arguments

This doesn't work from by shell. #include <iostream> #include <fstream> using namespace std; int main(int argc, char* argv ) { fstream myfile; ...

[4 replies] Last: Problem solved!!! Thanks to all! the problem has been resolved when I ... (by Alby94)

by Alby94

Main arguments

Writing name_file.txt from the shell, the program does not open the file .. #include <iostream> #include <fstream> using namespace std; int main(int ...

[13 replies] Last: Problem solved!!! Thanks to all! the problem has been resolved when I ... (by Alby94)

by Dylan Schillaci

Help with arrays/chars

Writing a code for my class and I've been stuck on this for a few days and makes no sense to me/my teacher. code: #include <iostream> using namespace st...

[1 reply] : Not clear if you're trying to use the standard container array or no... (by AbstractionAnon)

by JSLN

Question : Conversions

While loop not working. Please suggest #include<stdio.h> #define p printf #define s scanf int num; void showbits(int n); void octal(int n); voi...

[2 replies] Last: Line 15 should pass the address of ch: s("%d",&ch); ... (by AbstractionAnon)

by JSLN

Circular linked list

My while loop is not working. Please suggest #include<iostream> using namespace std; struct node { int data; node *next; }; typedef no...

[2 replies] Last: As LB pointed out, your list is not getting built correctly. After ad... (by abhishekm71)

by q1670741824

what's the matter with using private via methods in this case?

I wrote a derived class, see the code first plz :) class baseclass { ... int **body;//which will be dynamic allocated in the method definition public:...

[5 replies] Last: @ OP: What's the error you are getting? Are you maybe segfaulting beca... (by Computergeek01)

by q1670741824

getch(). When I press two key at the same time, error...

I'm program on a game which need to move something, I learnt that getch() function can solve a moving problem, it works!\ But the problem comes too, when I acc...

[2 replies] Last: The console stream was not designed for this kind of input. What you s... (by Computergeek01)

by amitk3553

dynamic memory allocation in functions

I had function call hci_host_data_pkt_gen (0x03, &data_ll_hci_rx , &hci_host_data_pkt_arr ) But execution stops after printing of "Mem locations" Please ...

[2 replies] Last: I checked for dest_location and source_location Actually the problem ... (by amitk3553)

by AGZZ21

Listing prime numbers?

For one of my school projects I have to make a function that can basically list the prime numbers of the total set of numbers you insert. #include<iostrea...

[3 replies] Last: you for loop int dividers = 2; // your number will have at least... (by rich1)

by brreakerr

This program has stopped working..

Hey guys! I hit a slight problem. While I don't get any error on compiling this code, when running the program, I get the "This program has stopped working" err...

[2 replies] Last: I managed to find the problem, I was declaring an array as arr2 and a... (by brreakerr)

by giraffe1234

Vectors Issue!!

Hi, I'm writing a program where I have to use a vector to store the name of visitors to a hospital. The program will let you view the list of visitors, add a n...

[3 replies] Last: I usually search a vector like this: auto myIter = std::find(myVec.b... (by Jaybob66)

by AGZZ21

Function that changes strings to all Capital letters with input?

I need to write a function that takes an input string and changes the string to all capital letters. I have what is on the main, but I don't understand how to d...

[2 replies] Last: Basically you want to loop through the string and if it is lower case ... (by giblit)

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Beginners - January 2014 (Page 17)