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Beginners - April 2013 (Page 44)

I am trying to read a file into an array that has a students name followed by their grade. Example of the input file: Bob 99.5 Kim 87.3 Jack 94.8 Kyle 98.5 ect...

[9 replies] Last: FYI, I fixed a couple mistakes in my snippet. (Missing parenthesis an... (by moorecm)

by hatefacecore

Adding to Vectors

In the area of vectors, I'm able to reserve() and then push_back just fine, but I thought just push_back would automatically increase the capacity. Whenever I j...

[3 replies] Last: You shouldn't need to be concerned about capacity unless you have inte... (by LB)

by buckgb

Help - builds, runs but crashes out at strcat

Hello all, my first post ::) ??? I am running through some basic tutorials on C, using Code::Blocks. Can anyone help me out with the following code, with...

[2 replies] Last: Thanks Chervil. You were spot on with the blank pointer allocated len... (by buckgb)

by Olysold

Vector of vectors, how to find size?

How would I edit this to show the size of the inner vector? (Not sure if that is technically correct. Please correct me if it's not) #include <iostream> #inc...

[17 replies] Last: Oh ok now I understand. And sorry if I sounded rude I just don't real... (by closed account 3qX21hU5)

by ADTR2012

Object Oriented Vectors

I am confused with how to use vectors in classes. For example if I have this header file class vectorsoo{ public: void addNumber(int); // adds nu...

[3 replies] Last: Nevermind I figured it out. Booradley60 you were right, I didn't reali... (by ADTR2012)

by sunson43

a very simple complex number question for you please

Guys, I have a very simple question for you, Please help me. Thanks alot!!! #include < iostream> #include < complex> using namespace std; int main...

[2 replies] Last: Hey, mutexe. I think I got it. Thanks!! (by sunson43)

by AprilC

Strings from file

Hey guys I've been all sorts of methods on trying to find particular strings from a file that has thousands of strings. Im searching for palindromes, I have a c...

[3 replies] Last: Is your .txt file in this sort? Hi there this is a txt file ... (by greenleaf800073)

by solemnservant

Phone Number List issues

Ok, So technically this program works. My problem is my error message is also displayed when I print the information. Can someone help me figure out how to prev...

[3 replies] Last: Well, ex. It finds matches but there is nothing to tell the program th... (by greenleaf800073)

by ND04

I Need Help With Implementing A Function To Find The Intersection Of Two Set Using Pointers.

This Is The Code I Made To Find The Union Of Both Set, But I'm Kinda Lost About Coding The Function To Find The Intersection Of A|B By Modifying The Function AU...

[2 replies] Last: So, you're trying to find all the elements of A that are also in B, ri... (by MikeyBoy)

by hunterfg09

Help with random number generator

I am trying to have a program that generates numbers between 1 and 9 and wont repeat any numbers. This is the error I keep getting D:\Programming\C++ sid...

[3 replies] Last: #include <algorithm> #include <random> #include <ctime> #include <ios... (by JLBorges)

by krishna florida

question

Write your question what is the difference between function overriding and virtual function?why we are virtual function? can u explain it pls.....

[1 reply] : A virtual function is one which will call the most derived override of... (by LB)

by Galgameth

How to flush all?

I'm not quite sure what to do here. This is code for a Simon style game, and while currently pretty functional (and with GUI pending) I can't get the entire seq...

[2 replies] Last: If you're trying to clear the screen like Peter87 suggests then sinc... (by Computergeek01)

by Omeyer

For loop to determine a range?

Guys, I thought I had a solution figured out for an assignment, but finally after getting word back from my instructor, it is incorrect. Basically, I am ...

[11 replies] Last: Use a lookup table, perhaps? Something like this: #include <iostream... (by JLBorges)

by Ardeshir81

"COUT" doesn't work for "char *"!!!

HI! I wrote this program, it is not complete now. But let me know if you know!!! THNX! #include <cstdlib> #include <time.h> #include <iostream> #includ...

[5 replies] Last: @Ardeshir81 Perhaps it's because you are assigning all of the elemen... (by closed account D80DSL3A)

by PureEvil75

Simple Function

I want to know what's wrong here why the result appear like that ? #include <iostream> using namespace std ; double GravitionalForce (double , double , d...

[8 replies] Last: all what I wanted is just to output all of the result just like your o... (by PureEvil75)

by lukemills2010

Array input unusual loop

The problem I have is that when entering the same number for the 20 arrays then it loops unexpectedly asking for input, e.g. if I enter all 5's then it asks for...

[11 replies] Last: Did you get rid of all the extra loops? Could probably do the whole th... (by TheIdeasMan)

by Script Coder

Input Problem

How would I handle an input like this in C++: The input begins with a single positive integer on a line by itself indicating the number of cases, each describ...

[1 reply] : Use a variable to hold the blank lines. cin >> cases; cin >> throwAw... (by closed account 3qX21hU5)

by kw1991

can't find problem with code

when i try build my program i get this error: fatal error C1075: end of file found before the left brace '{' i know it means i'm missing a bracket somewher...

[13 replies] Last: those are the # defines. your code is actually doing this: main() { ... (by writetonsharma)

by Larry2

.end() question

Hello, I am learning the iterators but cannot afford to understand something simple. Here is the official code : // vector::begin/end #include <iost...

[9 replies] Last: Got it !!! Many thanks JL ! Larry (by Larry2)

by Zalaman

For some reason i get ahuge - number idk whats wrong

#include<iostream> #include<string> #include<cstdlib> #include<ctime> using namespace std; int main(){ int results ; int max = 5; int holder = 0...

[5 replies] Last: and its working now no, it isn't You are wrong. He defined the ar... (by coder777)

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