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Beginners - May 2016 (Page 12)

I have some code where I am attempting to build a vector and keep it in order by name. When a new planet is added, I binary search by name and then slide every...

[2 replies] Last: Never mind, I solved it. In BinSearch I needed to add after line 250:... (by klearner)

by ckh96

Frequency Function

I need to write a frequency function in order that numbers don't repeat when output vector 3 and common elements unless it shows up in V1 and V2 twice. Such as ...

[1 reply] : //lists common elements of V1 and V2 vector<int> common_elements(vec... (by Thomas1965)

by rojan1918

Classes and objects with variables problems

So I'm new to classes and trying to figure it out. I can't seem to get it to work with regards to the objects in main. Can somebody explain or show how it shoul...

[1 reply] : Hi, You need to qualify your function definition names with the clas... (by TheIdeasMan)

by opengl

boost.asio echo client crash

According to the async_tcp_echo_server.cpp from here http://www.boost.org/doc/libs/1_59_0/doc/html/boost_asio/examples/cpp03_examples.html I made a client to...

[6 replies] Last: hi Cubbi I think I found the tricky boost::asio::async_read(socke... (by opengl)

by graymats

calling a function in void?

Hello World! Very new to the intriguing world of C++. Loving the struggle so far however ran into a road block. My assignment is to create a complex class wh...

[3 replies] Last: Thanks sooo much! I will think your replies through and come right bac... (by graymats)

by Pegasus1

Sorting Random Vector

Hello everyone, I am trying to write a program that sorts a vector's 100,000 random integers from least to greatest. I am using C++'s standard library functio...

[11 replies] Last: Not really random, but more than random enough for our purposes (shoul... (by JLBorges)

by mistersunnyd

What's the best way to edit words in an input sentence?

Let's say the input is "My name is Michael, and I am 36 years old." I'm using getline(cin, str) and then looking for spaces to be new indices to create substrin...

[2 replies] Last: Since that your input is cin, which is a stream buffer, you can use th... (by Tyler T)

by SolidTyler

Pushing Class Member Function Pointers Into A Vector

I cant seem to figure out how to accomplish this... I have a class containing a vector of functions pointers, of which, I would like to point to specific cl...

[no replies]

by closed account 3voN6Up4

Trouble with Arrays

How do I go about putting a users input into an array? I'm trying to hold 10 test scores and use a function to figure out the perfect scores (100). Right now I ...

[19 replies] Last: Gosh C++ is difficult to grasp. Thanks for the link, I will read up on... (by closed account 3voN6Up4)

by salah

count the number of even, odd, and zeros in digit

plz need help with this code(urgent) #include<iostream> #include<cstdlib> #include<ctime> #include<iomanip> #include<cstdlib> #include<cmath> #incl...

[3 replies] Last: @PBachmann Make sure you use comment blocks if comments are long! ... (by closed account 3voN6Up4)

by anewuser

asking for guidance about game programming

hello, i've never wrote a thread like this before, so i hope you enjoyed the title x) i know that i'm doing something wrong, since i'm not using c++ as a lan...

[9 replies] Last: @dhayden I'll check that out too! I didn't know that! Thanks! :) (by SonDavid)

by stav

detecting os during runtime

how do i go about detecting the os during runtime rather than compile time? (so that i only have to compile one program and it'll be able to run different code...

[1 reply] : Do you mean different versions of the same OS? You can't, generally sp... (by helios)

by mistersunnyd

tolower() not working

If I input "2 Bad Dogs", the correct output should be "2baddogs", but instead, I get "2BadDogs". Any suggestions?

[5 replies] Last: Thanks guys :) (by mistersunnyd)

by MrWolf123

CStrings

I tried to compare 2 CStrings but it doesn't seem to work : char i ="hello"; char f ="hello"; if(strcmp(i,f)) { cout<<"Yes"<<endl; } else { ...

[1 reply] : No, strcmp() returns one of three values, greater than zero, zero, les... (by jlb)

by adam2016

Codeblocks problem

Hi guys what I'm trying to do is access the .exe part of the file i go into the directory then bin folder then select the application but when I click and run t...

[1 reply] : Stickied post at the top of the fouum. http://www.cplusplus.com/forum... (by AbstractionAnon)

by syakirin

Input file cannot be opened

Hello guys, I'm doing a mini project about student admission data and currently my "case c" and "case d" is not running properly. Means the name and Id I try to...

[1 reply] : lines 126-128,142-144: You're swapping only the student name. You ha... (by AbstractionAnon)

by idkhowtouse

my sorting program doesn't work

Problem solved!

[6 replies] Last: Please don't delete your post. It makes this thread useless as a lear... (by MikeyBoy)

by Tcm

'std::bad_alloc using boost library odeint

Hi I am new to c++ and boost but i was asked to solve some ode's. I tried using a stiff method, it compiled but when i run the program it says terminate cal...

[3 replies] Last: How can I initiate the calculations from x = 20e8 and x = 0.1 ? Use... (by coder777)

by closed account 3voN6Up4

Manipulating the Console Screen (Confused)

Hey guys, basically I have to write a program that makes the word "DOWN" appear at the top (near middle) and the word "UP" at the bottom (near middle) and when ...

[1 reply] : A few suggestions. 1. a) Use functions rather than repetitive code. ... (by Chervil)

by ckh96

Vector Functions

I am trying to write a void function that outputs my vectors into my main. I have the following code for the function, however it says I have an error on my cou...

[1 reply] : #include <iostream> #include <vector> #include <cstdlib> #include <ct... (by JLBorges)

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