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Beginners - February 2017 (Page 19)

I'm trying to find the mean of the vector, and then cout all values below the mean. But it keeps cout as zero. I think it may be because of the -1 to stop th...

Feb 14, 2017 at 3:12am

[2 replies] Last: jonnin - thank you for your help. I accidently did greater than when I... (by closed account 3vX4LyTq)

by pickaxe9999

Windowed programs

I've learned most of what C++ basics has to offer up to polymorphism. How do I continue to windowed programs (specifically making games such as simple platforme...

Feb 14, 2017 at 3:00am

[2 replies] Last: Thank you so much! That's the fastest I've ever gotten a reply. (by pickaxe9999)

by coolzville

Alignment Issues

Hello I am trying to get my end result to be lined up properly, but I'm having a hard time doing and understanding the process. It should look like this as the...

Feb 14, 2017 at 2:56am

[1 reply] : #include <iostream> //#include <cstdlib> //don't use rand(): http://... (by gunnerfunner)

by Robsome97

Program compiles but crashes

I'm trying to write a program that, you tell it what you want, and it removes one from the quantity. It's compiling just fine and it even sends back the fail me...

Feb 14, 2017 at 2:53am

[2 replies] Last: http://www.cplusplus.com/forum/beginner/208390/ http://www.cplusplus.c... (by TheIdeasMan)

by sesslit805

inputing strings to vector

The program should read an unknown number of names and phone numbers from a file “data.txt” and store them in a vector of strings. The program should then a...

Feb 14, 2017 at 2:09am

[2 replies] Last: Your variable fileName is already a string You don't need to put it i... (by smartypantzss)

by ejkang62

lexicographically compare strings

how can i compare each element of string array lexicographically? For example, if i want to find the smallest element in folks = { "samwell", "jon...

Feb 14, 2017 at 2:07am

[1 reply] : would simply comparing each element like if (folk <folk ) {do somethi... (by mbozzi)

by jaitoine

Questions of Class Homework C++ Intro

Hi, I'm new here just want to ask a question how to calculate and print number 1/1 + 1/2 + 1/4... + 1/100000000 using float and double variables while using a l...

Feb 14, 2017 at 1:42am

[15 replies] Last: Thank you for the brief explanation. (by shadder)

by MisterTams

Expanding an Array with Pointers then Shifting Elements?

Hey guys, I am doing a problem out of a c++ book. No, this isn't homework, I am doing this for myself here at home. Here is the program requirements out of the ...

Feb 14, 2017 at 1:42am

[1 reply] : 1. The last element of OriginalArray is at index elements - 1, but the... (by helios)

by tit0n

Trying to compute the closest pair. Help?

we are given double d = p .distance(p ); Im not sure how to make out this code. Can anyone explain? And how would I go about this?

Feb 14, 2017 at 1:39am

[12 replies] Last: #include <iostream> #include <vector> #include <fstream> #include <c... (by gunnerfunner)

by nolman610

[Error] id returned Exit Status

My code was running smoothly then I changed (4/3) to (4.0/3.0) and now I'm getting an error message. Could someone explain what is causing the error message and...

Feb 13, 2017 at 11:03pm

[3 replies] Last: I had that in the code allready sorry I just realized it wasn't inclu... (by nolman610)

by kikiyox77

Need help on calling objects and parameter objects

So for say I have a function called commonType. In my main.cpp file there is a call and it looks like this: pokemon1.commonType(pokemon2) Now I am confused ...

Feb 13, 2017 at 9:20pm

[2 replies] Last: Oh okay, makes sense now. Thank you for the explanation. It works (by kikiyox77)

by icycold157

integer questions

a is an integer and if (a%2) cout << "abc"; does that mean that the program will only print out abc if a is an odd number?

Feb 13, 2017 at 8:54pm

[1 reply] : yes.. (by ar2007)

by mohabd73

print prime numbers between any tow number

hi you I write program print prime number between any tow numbers using recursion function but I have problem in code please help me #include<iostream> usi...

Feb 13, 2017 at 8:22pm

[6 replies] Last: ok I want to correct code (by mohabd73)

by arbwok

Reading text file as an array

Hello I need help reading text file as an array and line by line. Lets say I have a text file [4: 1 2 3 4] [3: 22 77 101] [4: aa ab bb ba] [8: xx yy cc ...

Feb 13, 2017 at 8:22pm

[no replies]

by jamesfarrow

constructore and initialisers

I have an employee class that stores various details about, and one of those details involves another class clled date. I want to initialise this class in emplo...

Feb 13, 2017 at 8:00pm

[4 replies] Last: Thanks everyone for your input! After reading and head scratching I ha... (by jamesfarrow)

by thuynh97

Multiplication and Addition for Doubly Linked List

I am attempting to make infinite arithmetic calculator for multiplication and addition. I tried about everything including divide and conquer for writing the op...

Feb 13, 2017 at 7:34pm

[12 replies] Last: this keeps it around instead of allocating it every time You're righ... (by mbozzi)

by stas76

loop for(int s:v) what does it mean?

Hello, I'm reading Stroustrup book PPP using C++ And here I saw such loop for(int s : v){} What does it mean such notation? Thanks

Feb 13, 2017 at 7:26pm

[2 replies] Last: Thanks (by stas76)

by jacktharippa

txt read block by block

Hi guys, i'm having trouble on a little practice exercice i am doing for a exam, and i can find anything about it, we are not using std, i'm trying to read a .t...

Feb 13, 2017 at 6:52pm

[2 replies] Last: Thanks alot mate, that's exactly what i needed, btw i atually used t... (by jacktharippa)

by Misbahu

Programme crash

Hello guys. Could someone please point to me why this programme crash every time I run it? It crashes after reading and displaying the total number of books so...

Feb 13, 2017 at 6:47pm

[3 replies] Last: I got it. I was looking at it as years is the array counter. I just ... (by Misbahu)

by seungyeon

How do I save data to a .txt file

so i have data that was printed out in a for loop i want to put all these values into a file

Feb 13, 2017 at 5:58pm

[1 reply] : There's info and code examples of writing values to files in the tutor... (by wildblue)

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