Beginners - C++ Forum - March 2016 (Page 6)

I wondered why int main () uses these parenthesis, but then {} to begin and execute programme is this just code blocks or a c++ rule.

[2 replies] Last: All C++ functions begin like this: RETURN_TYPE function_name ( INPU... (by Moschops)

by MichaelWilleTheFirst

Issue with class calculation functions with OOP

For some reason I keep getting two errors on lines 67 and 73. For some reason my variable "bill_before" is not getting initialized and I'm slightly confused be...

[2 replies] Last: line 67, 72: Let's remove the arithmetic from the lines. double b... (by AbstractionAnon)

by ClassyChap

Strange output with consecutive characters in cout

Hi. I'm experiencing a strange issue with cout. What it seems to boil down to is that if I have a bunch of consecutively numbered characters output next to ea...

[5 replies] Last: For example, you could redirect the output to a file. (by helios)

by eliiofaddoul

is an algorithm the same as a pseudo-code ?

Write your question here. so the teacher wants us to show her an algorithm for our code. is it the same as writing a pseudo-code ?

[1 reply] : Algorithm is an idea of what to do to. It can be expressed in many way... (by keskiverto)

by redempvfx

mingw Compiler: Getting an error when trying to compile this calculator program.

So I'm getting an error when I try to compile the following program:

[1 reply] : My mistake. I fixed it. I apoligize. (by redempvfx)

by jam47

Can't find where errors are

Where are the errors? It says a function-definition is not allowed here before "{" token = line 41 expected '}' at end of input = line 130 #include ...

[5 replies] Last: The function header at line 43: encrypt2 (plaintext, key){ should lo... (by Chervil)

by The117Vendetta

Calculating N amount of assignments

The problem is as follows: Write a program that calculates the total grade for N classroom exercises as a percentage. The user should input the value for N f...

[2 replies] Last: Dynamic memory was made specifically for this. No dynamic memory is ... (by cire)

by Unicow

Using a vector as a counter for coin toss?

So this is my code so far and I took my array code and tried to incorporate a vector rather than an array. It's supposed to roll 36000 times and then tally up h...

[4 replies] Last: The possible values of dice1 + dice2 on line 16 range from 2 to 12. ... (by cire)

by specbk

can i replace a while loop with a return value?

Hi! I am pretty new to c++ and i have a question- Is it possible to replace this while loop with a return value that can influence an "if" statement in "main()"...

[1 reply] : A return statement returns a value and terminates the function. int ... (by Too Explosive)

by jgialis

Array Classes

Have to make a code where I input array size and set array value to each member of array then print out the array. The code works but i'm not sure why its crash...

[2 replies] Last: Thank you. Figured it out! (by jgialis)

by miguelarturo13

Confused about vectors.

If I created a vector with string values, how do I call one of those strings for when the user inputs an integer. Ex) a vector contains zero, one ,two...etc. wh...

[1 reply] : If the strings inside the vector correspond to the indices of the vect... (by Arslan7041)

by StupidLag

class: user defined array

i created a class called poly and i thought that the way to create a user defined array with a class was the same. im getting an error saying bad array new leng...

[1 reply] : > im getting an error saying bad array new length ¿a compilation erro... (by ne555)

by b29hockey

Class and Vectors

So I have a weird problem with this code. I have two vectors of classes named winNames, and wines. wines reads information from the vector winNames. Everything ...

[1 reply] : > Let me know if more information is needed provide enough to reproduc... (by ne555)

by sailink37

unsure why my code prints out this

when i run my code and enter in x, it prints out 124.28. can someone tell me why? Im trying to assign a letter a number and im not even sure if im doing it righ...

[1 reply] : Hi, Please always use code tags. http://www.cplusplus.com/articles/z1... (by TheIdeasMan)

by leashbomb69

Help with string code

My error : Undefined first referenced symbol in file main /usr/sfw/lib/gcc/spa...

[10 replies] Last: Since I am having no problems, I think its a GCC error. Have you tried... (by Diedes)

by tehHuzzlenut

Trying to Catch invalid symbols in a string

My question how I would check for invalid symbols in a string input from the user. The way I have my code set up, I receive an input that includes commas and s...

[1 reply] : Hello, try using this to remove unwanted characters: input.erase(std... (by McNo)

by tdyoung

Calling by Reference and value

Write your question here. #include <iostream> using namespace std; bool figureGrade(int score, char &); int main() { int score; char grade; ...

[2 replies] Last: Thank you very much. I see now why it wasn't working before. I need to... (by tdyoung)

by Outlaw782

Program inserting junk into list.

I'm guessing my insert function isn't working correctly. It seems to be just inserting junk into my list whenever I print it out. I'm not getting any errors/war...

[3 replies] Last: Thank you for your input cire, after doing your test it seems the firs... (by Outlaw782)

by jjkrynock

Reading data from a file questions

Hello. I'm trying to read the data from C:\Random.txt I've included the fstream but the compiler gets hung up at the inputFile.open line. I read in my book to...

[2 replies] Last: Thank you koothkeeper. (by jjkrynock)

by b29hockey

Finding largest and smallest element in array

hey guys, I’m trying to display the highest and lowest elements in this array. I can find the highest element no problem, but the lowest isn’t working and I...

[4 replies] Last: cool! thank you for the help! (by b29hockey)

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Beginners - March 2016 (Page 6)