Beginners - May 2016 (Page 12)

Debugging binary search in a vector
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...
May 21, 2016 at 1:13pm
[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 ...
May 21, 2016 at 8:47am
[1 reply] : //lists common elements of V1 and V2 vector<int> common_elements(vec... (by Thomas1965)
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...
May 21, 2016 at 5:53am
[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...
May 21, 2016 at 5:05am
[6 replies] Last: hi Cubbi I think I found the tricky boost::asio::async_read(socke... (by opengl)
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...
May 21, 2016 at 4:48am
[3 replies] Last: Thanks sooo much! I will think your replies through and come right bac... (by graymats)
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...
May 21, 2016 at 4:06am
[11 replies] Last: Not really random, but more than random enough for our purposes (shoul... (by JLBorges)
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...
May 21, 2016 at 3:49am
[2 replies] Last: Since that your input is cin, which is a stream buffer, you can use th... (by Tyler T)
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...
May 21, 2016 at 3:47am
[no replies]
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 ...
May 21, 2016 at 2:00am
[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...
May 21, 2016 at 1:56am
[3 replies] Last: @PBachmann Make sure you use comment blocks if comments are long! ... (by closed account 3voN6Up4)
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...
May 21, 2016 at 1:35am
[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...
May 21, 2016 at 12:47am
[1 reply] : Do you mean different versions of the same OS? You can't, generally sp... (by helios)
tolower() not working
If I input "2 Bad Dogs", the correct output should be "2baddogs", but instead, I get "2BadDogs". Any suggestions?
May 21, 2016 at 12:06am
[5 replies] Last: Thanks guys :) (by mistersunnyd)
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 { ...
May 20, 2016 at 8:53pm
[1 reply] : No, strcmp() returns one of three values, greater than zero, zero, les... (by jlb)
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...
May 20, 2016 at 7:34pm
[1 reply] : Stickied post at the top of the fouum. http://www.cplusplus.com/forum... (by AbstractionAnon)
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...
May 20, 2016 at 5:11pm
[1 reply] : lines 126-128,142-144: You're swapping only the student name. You ha... (by AbstractionAnon)
my sorting program doesn't work
Problem solved!
May 20, 2016 at 3:01pm
[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...
May 20, 2016 at 12:26pm
[3 replies] Last: How can I initiate the calculations from x = 20e8 and x = 0.1 ? Use... (by coder777)
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 ...
May 20, 2016 at 6:36am
[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...
May 20, 2016 at 3:03am
[1 reply] : #include <iostream> #include <vector> #include <cstdlib> #include <ct... (by JLBorges)
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