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Beginners - February 2017 (Page 32)

I get a different answer to the correct answer when I run my code, my logic seems correct. not sure why?

I'm doing a series of excercises to get a better understanding of functions for college. I'm currently doing one now where "A function NumDays that may be pass...

[3 replies] Last: @joe864863 @jonnin That was a mistake by me in the question joe, I'm t... (by willmannix123)

by Kourosh23

Factorial of a number in C++

Personal contribution to open source C++. #include <iostream> using namespace std; // Program to find the factorial of a given number. void factorial (long...

[5 replies] Last: @jonnin: Why inline your function? It's also a good idea to mark your... (by mbozzi)

by Brendy1982

C++ Code not running properly and need some advice for my project! :)

Hello everyone. I'm a beginner, and need help with some code that wouldn't work when i ran it. Though when use the "run line by line" thing it works just fine. ...

[1 reply] : use the same function in main, you don't need 4 copies of it, that is ... (by jonnin)

by Kourosh23

prefix and post-fix using decrement operator C++

Personal contribution. #include <iostream> using namespace std; // Program to explain prefix and post-fix using decrementation. void functionOne (){ int a...

[no replies]

by wolfv

How to capture cerr from another program?

I wrote an application in C++ that throws exceptions, and catch sends error messages to cerr. Now I am writing a tester in C++ that calls the application. The t...

[5 replies] Last: I went with the example from JLBorges because it's so simple. The foll... (by wolfv)

by forta2k

Divisors

I have to write a program which displays how many divisors containing the digit "3" does the number entered have. When I introduce a number, nothing happens. ...

[4 replies] Last: Just playing with it... alternative approach char dtxt ; char * has3... (by jonnin)

by redhood

Tips when tracing codes in an exam?

hey guys, im having a pretty hard time tracing codes in exams/quizzes and i was wondering if you guys could give me tips on how to trace and can anyone give me ...

[1 reply] : I do not know of a site, but this is a critical skill to debugging. ... (by jonnin)

by steven77

using a class inside another class

Probably a noob mistake, but I do not find why my compiler gives me the following error : error: ‘sleep’ does not name a type in this code : #...

[1 reply] : Looks like you have a name clash with the POSIX sleep function. http:... (by Peter87)

by redhood

Help with my homework

Hi there! I'm a beginner programming student and i was given this homework yesterday. im very confused and having a hard time making it run properly can you guy...

[5 replies] Last: hey thanks alot man, sorry i only got to replied now. i totally forgot... (by redhood)

by nfnicolas

Output list book

Hi everybody. I have code which output books. But I can't create database books to output a list. Where I must create this database? I think in class Book? But ...

[2 replies] Last: Yes I know. I was trying to create, but do not know how to connect thi... (by nfnicolas)

by Nalrie

Guess my number

I got really confuse on putting in arguments for the getUserResponseToGuess() function. I don't really know what to put into that argument. I wanted the user to...

[1 reply] : I am not sure, but maybe you should be thinking about random numbers b... (by Kourosh23)

by spax1111111

initialising a pointer with a function address

How to create a pointer to void function? int sq(int num) { return num*num; } int kub(int num) { return num*num*num; } void central(int num, int(*p)(int)...

[8 replies] Last: Thx guys this helped a lot i get it now :D (by spax1111111)

by sesslit805

transfering inputFile to vector c++

We're supposed to Write a program that reads an unknown number of integers from a data file called “data.txt” into a vector of integers named V. V is initia...

[2 replies] Last: Thanks it worked ! (by sesslit805)

by Zerdalias

Returning value with template function?

I'm not sure if the title makes sense, however, this code was working when i had the function returning the index number of the highest value. When i then chang...

[6 replies] Last: Oh! Awesome, I get it now! Thank you! (by Zerdalias)

by rantiv

Single If statement

I have to turn in my code and just realized one of the requirements is to have just one single if statement. I have a lot of nested if statements and cant figur...

[7 replies] Last: Once you see it, it's dead simple: The first thing I would do is corr... (by mbozzi)

by sandoda

Hybrid Car

It is supposed to look like this but for some reason when I enter (total) my code just stops. Im not really sure what I am doing wrong. I know this is a big que...

[1 reply] : @sandoda You're program worked fine for me. I used all the inputs you... (by whitenite1)

by Flaze07

stoi

hey, just some question, what if stoi has an error ? does it return boolean like sstream ? because I failed at using stoi for something I succeed with sstream...

[2 replies] Last: thanks :) (by Flaze07)

by tunalafish

Im not sure on how to pass an array through reference without using pointers.

Hi I need help in learning how to pass an array without using pointers and this is a homework assignment. I already have the first part of this hw assignment do...

[1 reply] : #include <iostream> const int arraySize = 5; int main() { int ... (by gunnerfunner)

by HRubss

y always equals 1?

So it's my 3rd day of programming class and I'm having troubles with my program assignment. The assignment is listed in the comment. Everything ran fine when I ...

[5 replies] Last: /*write a program that asks the user to enter an integer x. Based on... (by HRubss)

by Kourosh23

constant argument to a function

Personal Contribution to open source C++. Note: The purpose of adding const to your type and variable inside your argument is to catch errors if the user a...

[5 replies] Last: Yes. Ideally, limit the const qualifier to the implementation; at bes... (by mbozzi)

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