Beginners - C++ Forum - January 2011 (Page 7)

Should I never use goto? My book says that it is bad practice.

[5 replies] Last: Just don't use it. Act like you've never heard of it. (by shadowvillian)

Basic Input/Output - cin and strings problem

Hello everybody, I'm new here.. I'm trying to follow the C++ Language Tutorial but got stuck on Basic Input/Output chapter. Here is the simple code that'...

[11 replies] Last: i coudnt get the wink to work either. in debug it skips past it and as... (by acorn)

by Ihtisham

Assignment

hey i have been given the following assignment, but i cant understand it. Can anybody elaborate it. Thanks. A cup of water (250 ml) is heated from 0 to 100 C...

[3 replies] Last: The code looks ok by just scanning it over. Did it compile? If so, pu... (by pwnedu46)

by Recon12

Reading from a text file(strings and numbers)

Hi, I'm having trouble with an assignment. I have to open a text file like this that sorts the highest GPAS and Names Joshua 3.1 Margaret 4.0 Jared 2.7 It...

[6 replies] Last: wolfgangs code works perfect for me. i am using codeblocks on windows ... (by acorn)

by Cosmopolite

I can't write the line equation y=m*x+b

Hey guys, I recently started to learn c++ and I'm having trouble with writing a simple program to calculate the slope intercept form of a line equation given tw...

[7 replies] Last: #include <stdio.h> int main() {float y1, y2, m, x1, x2, b; char x... (by cjbeezy)

by DigitalDragon

Selecting random words for Hangman?

I have textfile in which random words are written line by line (no whitespace) I don't know the size of the file or how many words are in it. my task is to add ...

[10 replies] Last: It's the getline from the string header. temp was meant to be a std::s... (by wolfgang)

by shadowvillian

i cant see everything in my console window

When I run this program I can only see the last 250 lines. Anyone know why? I'm running windows 7. #include <iostream> #include <vector> #include <list>...

[3 replies] Last: If you just care about visualization, you could try pipe or redirect t... (by ne555)

by Alex cpp

Game in c++

Hi to all, I wanted to make a simple card game in c++: The player starts off with 100coins and 4 random cards will be given to the player, there will be 50% of...

[7 replies] Last: I've managed to make it, it's really cool i like it very much. :) (by Alex cpp)

by theimmortalbg

strtok() usage

Hello i was tried to use strtok() to make array of words but i can't char** word = new char* ; word = strtok (str, " ,.!?"); for(int i=1;i<wordCount;i+...

[2 replies] Last: then how to count the words in this string ? (by theimmortalbg)

by theimmortalbg

strtok() in array

Hello i want to save each word of the text in an array but i cant. This is my code: #include "stdafx.h" #include <iostream> #include <string> using names...

[4 replies] Last: either -tokenize the string like you do -allocate an array -use my ... (by hamsterman)

by Zeikko

C++ vs C# for game programming

Hi! I started programming with C++ about 10 days ago, and I'm still in basics (best program I have made is Tic-Tac-Toe( http://pastebin.com/DgsWxL7T ) from s...

[4 replies] Last: if ya dont mind the move a country away i know DICE is based in stockh... (by rjd82AA)

by dohxx004

Vector template

This is a simple code printing the elements in a vector template. But if I define (in line 8) vector <T>::iterator i; rather than vector <double>::i...

[2 replies] Last: Thanks! (by dohxx004)

by pe4enki

switch

Hi there, i am trying to test some code but i am stuck with an error message : error C2196: case value '1' already used... Here is the code: switch (ch...

[4 replies] Last: i didnt read all your code but instead of checking for both upper and ... (by acorn)

by closed account zb0S216C

Calloc( ).

I started to learn about calloc( ); today. When I created an array with calloc( ); I was wondering, "How do I access each of the elements I created?". H...

[2 replies] Last: All right then, I won't use it anymore. Thanks Disch. (by closed account zb0S216C)

by jesterfanatic

Broken if else statement

The program is pretty simple. It takes 4 input values and compounds interest either over periods or continuously. The if statement won't work though. No matter ...

[8 replies] Last: Alright I went ahead and did this: double s_amount = 0.0, inte... (by jesterfanatic)

by hobbycoder

Question on dynamic memory allocation

Hello All, I am a new C++ programmer but not new to programming (Matlab etc..). I am trying to understand the benefit of using "new" to get dynamic memory ve...

[6 replies] Last: Final note...In the build options I was indeed able to select the stri... (by hobbycoder)

by closed account zb0S216C

Passing an Array Safely

Is there a another way to pass an array safely in a function? I normally do it like this: void Function( int PassedArray[ ] = NULL ) { if( PassedArray ...

[5 replies] Last: There's no need for boost. Check your implementation for std::array or... (by filipe)

by acorn

vector of vectors again. attempt #2

can someone show me a better way of accessing these elements besides the subscript operator. I cant work it out because of the nesting of vectors. the vector s...

[5 replies] Last: vector::at returns a reference to the object contained ( exactly as op... (by Bazzy)

by Helegurbann

Struct problem

Hi My English is bad.So i make excuse for false understanding right now.I have a problem with about structs.My problem: #include <stdio.h> #include <iostre...

[7 replies] Last: I passed my all blocks.And i found a func. My codes end affair: #in... (by Helegurbann)

by GulHK

vector find error

................

[5 replies] Last: Then that's your problem, because std::find() relies on it to compare ... (by filipe)

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Beginners - January 2011 (Page 7)