Beginners - C++ Forum - January 2012 (Page 4)

displaying first character in every line

How to display the first character of every line of a file? Please anyone help me

[2 replies] Last: read the file character by character and check them by '\n' ( if(ch=... (by Bixx)

How to print doubles entires without +06e etc.

A smallest question I want to print doubles entires without +06e etc. after numbers become too big. If someone can quickly answer what i have to write. I...

[7 replies] Last: Its the fixed. double a=10000000000000; cout.precision(2); cout << ... (by imakaia)

by Integrater

Error: function overloading

Here is a small program demonstrating function overloading, there is a problem with the char version of print_arr, it causes the program to crash and I don't kn...

[3 replies] Last: Thanks, damn typos in my book :( (by Integrater)

by HumbleNoob

C_String buffer overflow: array boundaries with cout

Dear C++ users, I am currently learning C++ and need some precision about the cin/cout extract/insert operators and buffer overflow. Here is a small progr...

[3 replies] Last: Many thanks to both of you for having answered so quickly! Things ar... (by HumbleNoob)

by TheFool

Getting $0 for tax in a program

I... am gonna murder this computer. Okay. So when I enter the sample values of "50, 25, and 35" for beef, chicken, and vegan meals respectively, I get all the ...

[4 replies] Last: The real reason is the 'ROOMCOST' is an integer. If ROOMCOST < 100 and... (by coder777)

by Tallrick

Using "cout <<" when pointing to a class' string member

Hello, dear skilled programmers! I've run into a problem which is too complex for my very elementary skills. I have a game in which I have a class which cont...

[4 replies] Last: Thank you very much! You've been most helpful! (by Tallrick)

by joshhazel

Overloading the >> operator

Stuck again =( This is my implement file: #include "cscd305.h" CArray::CArray() { this->m_array = new int ; this->m_size = 10; } CArray::CArr...

[3 replies] Last: Post your actual files then (by guestgulkan)

by closed account 2EURX9L8

Using static_cast and setw()

I am making a report for a class in c++ and I am stuck I cant seem to get it to display a calculation in double form, here is the code int speed1=static_cas...

[1 reply] : I bet you declared both DISTANCE1 and point1time as integers. Integer ... (by hamsterman)

by JCharles

Herons Formula Help!!

Learning Objectives • writing a C++ program that does input and output • using Math Library functions A triangle is a three-sided polygon. Every triangle...

[16 replies] Last: could you look at this topic and tell me what I am doing wrong. it is ... (by JCharles)

by TheFool

Getting "Undeclared Identifier" for something I declared

EDIT: New problems, update post added at the bottom. I'm new at this site. Name's "TheFool", because I am the fool when it comes to programming stuff like th...

[9 replies] Last: Yeah, I was originally planning to remove the ROOM1, ROOM2, etc. value... (by TheFool)

by torrengu

is there any restriction of data type in struct???

I am a newbe in c++/c. and recently I am trying to read data form a Collada file.so I have to define the data struct to store the parsed data in the memory. I ...

[3 replies] Last: vector is in the std namespace. Try std::vector<Image> m_Images;... (by Alrededor)

by joshhazel

Recursive Binary Tree Find Largest Subtree

Wondering how I can recursively traverse a binary search tree Pseudo code or actual code would be helpful here in this case. ...

[2 replies] Last: for each sub tree call get sum find which has the greatest sum g... (by LB)

by Siddharth Srinivasan

Pong, mltiplayer

I'm trying to make a 2 player Pong console game. To move the counter (up and down) on the left side, I use 'W' and 'S', and on the right side I use 'I' and 'K'....

[8 replies] Last: well on youtube I got alot of help from TheNewBoston and as a plus he ... (by alucard33592)

by Mr Baron

Monthly Payment Calc

whats up guys, i been writing my code for a simple loan calculator but i keep getting errors, every thing seems fine except the formula part.. heres the code ...

[5 replies] Last: ok it worked is nothing like the original thought, here is the code m... (by Mr Baron)

by hopesfall

Why is my array not being passed correctly?

I have a 2D array which I'm trying to pass to another function but when I go to pass it, the function which I'm passing it to only gets one "row" of the array. ...

[8 replies] Last: Figured it out....It was my compiler (Visual stuio 2010) that wasn't d... (by hopesfall)

by hopesfall

Reading white space?

My program asks for user input and is in the format of "10 11 12". I want to do something like cin << userInput but when I use that, I only get everything ...

[2 replies] Last: getline(cin, userInput) (by kapo)

by Invidious

Can't seem to sort this Array

Hello, I am working on an assignment to take input from a file, populate several arrays, then sort the data. I am getting hung up on the proper way to alpha...

[1 reply] : I'm not going to change what your are doing, just suggest what you mig... (by histrungalot)

by nana2011

Need Help to fix the errors.

hi there, I am new to C++,here is my first homework for this semester. I really don't know how to fix these errors. please help!! thanks here are t...

[6 replies] Last: These are code tags: [co de] (by Zhuge)

by hopesfall

Getting values from comma separated string?

I have a string which has values separated by commas and I need to retrieve one value at a time. The string looks like "1,2,3,4,5,6,7," and I want to get just t...

[1 reply] : You could use string::find() to find the first comma, then substr() to... (by Zhuge)

by markkirby

unabel to resolve identifyer myfile

Could some body please explan why this code dose not work #include <iostream> #include <fstream> using namespace std; int main() { fstream myfile ; myfile.o...

[5 replies] Last: On the line you try to call .open() myfile no longer exists. Your code... (by Zhuge)

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Beginners - January 2012 (Page 4)