Beginners - C++ Forum - October 2017 (Page 29)

by hooi1997

Rounding offto 2 decimal points

Hi, may I know how to round off a number to only 2 decimal points? For example, 2.789 becomes 2.79 ...

[3 replies] Last: Wow, thank you very much!!! (by hooi1997)

by skinex

Parsing xml file

there is such xml a file <order> <object> <name >John Doe</name> <cost>5000</cost> <...

[7 replies] Last: Json is much cleaner and easier to read than xml, IMO. Also I feel lik... (by Golden Lizard)

by closed account NCRLwA7f

Any other ways to write a dynamic array?

I have an assignment for a class where I need to read in values from a text file. They are just simp...

[5 replies] Last: Thank you Kemort and jonnin I really appreciate the help. This helped ... (by closed account NCRLwA7f)

by CapitalJeep

Just need a sanity check re: headers and undeclared identifier error

I'm writing a program that uses several algorithms to do some basic searching and sorting. I wrote ...

[5 replies] Last: -is there any reason why I shouldn't use <vector> instead of a array?... (by AbstractionAnon)

by MrMongoose

Computing Time delay

A user wishes to enter a starting time AM/PM format, and delay time in hours and minutes, and have t...

[6 replies] Last: My proffesor doesnt want use to be using anything but the #include<ios... (by MrMongoose)

by haikalfarish

Help please. New to nested loop

When i run the project, it wont cout the 2nd loop. Thanks in advance #include <iostream> using n...

[6 replies] Last: kemort's version classifies "I don't have any fever." as "NORMAL Feve... (by closed account 48T7M4Gy)

by Demii

Help with a few lines of code

Hi, i'm just trying to finish up this code and need some help with the parts commented out that say ...

[7 replies] Last: @kemort, Thank you. Nice to be appreciated. Andy (by Handy Andy)

by muffins123

Algorithms swapsort

Hello I have a homework question in which I have to determine what values(counter and sortval) are s...

[4 replies] Last: it isn't one after 1 iteration of the loop. it is one on line 14 whic... (by jonnin)

by ruggutah

I'm stuck

Hi I'm just trying to understand some lines of code in my c++ book from Sam's 24 hour. It has to do...

[9 replies] Last: I think I'm just getting bogged down with details here I don't thi... (by closed account 48T7M4Gy)

by Bopaki

This line is giving me an error: cout<<"List: "<<list<<endl;

I really do not understand why I am getting an error here on this line. Because on the other lines ...

[6 replies] Last: Thank you all. I eventually managed to overload the operator<< properl... (by Bopaki)

by jmpc92

Getting filename from command line argument?

Hello, I have written this code (apologies if it's a little hard to understand) and it works just fi...

[5 replies] Last: @kermot @JLBorges Thank you so much for your incredible help! After st... (by jmpc92)

by Komarovus

There seems to be a logic error in my code (mayby)

Hello and best wishes to all. I'm trying to self-study C++ (yes, I'm an psycho, I know it :) ) and n...

[3 replies] Last: The warmest thanks to all! (by Komarovus)

by Ahmed Abdellatif

Return pointer value errors

the value of x and y in the returning pointers is not as expected. X value is right but y value is w...

[2 replies] Last: thanks (by Ahmed Abdellatif)

by arsalazhar336

Second maximum value in while loop

So the question is to input prices of books using while loop and find out the maximum price,second m...

[2 replies] Last: Yes -1 is like compulsory to end the loop but afterwards the output is... (by arsalazhar336)

by jlmchang

coordinates for lowest randomly generated route

My code compiles and runs fine. The problem is that I am not sure if it is outputting the correct t...

[2 replies] Last: Why not use a dataset you know the answer to that you can compare with... (by closed account 48T7M4Gy)

by Billyin4C

simple Friends program

Why am I not getting any output for Customer Number, City, State, and Zip code? #include<iostr...

[1 reply] : your program produces this output Customer Number: City: State: Zip... (by ne555)

by closed account EAk1vCM9

help with function that calculates area of a circle

Hello everyone, so for this program i have to read names and numbers from the file, from there I hav...

[5 replies] Last: Ahh I see, thank you for the help guys ! (by closed account EAk1vCM9)

by muffins123

Strings

Can anyone tell me what I am doing wrong here? I can find the first 'a' but I cannot seem to find th...

[1 reply] : Lifetime and masking. You have int n on line 2. On global scope. Ac... (by keskiverto)

by n0mad19

Creating Program to find fewest coins possible from Cent Input

Hello, fairly fresh coder that is learning to create a program that will output the fewest coins pos...

[1 reply] : Line 17: You calculate the number of quarters correctly, but your oth... (by AbstractionAnon)

by jeanpaulw

rsa repeated key generation

Hi, i try to génératre 10 rsa public and privat keys, i get only a repetition of keys, it génera...

[2 replies] Last: Hi, not yet (by jeanpaulw)

Beginners - October 2017 (Page 29)

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