Beginners - C++ Forum - November 2011 (Page 61)

help me find the error, and solve it!!! ASAP!!!!!!!!!!!

#include <iostream> #include <cmath> # define PI 3.14159 using namespace std; void getRadius(double ); void volSphere(double, double & ); void volHemi...

[4 replies] Last: I am not to sure but in the declaration of void volHemisphere(double... (by TheMassiveChipmunk)

by cheesynacho

I could use some help! (1,2)

Hey guys, ive been learning c++ in the past few days and I want to make a simple program. You input a password if its correct, then you get to do an addition, i...

[22 replies] Last: I think i get it now Edit: Thanks so much guys, i learned a ton :D th... (by cheesynacho)

by Factors

Array's + Pointer's = ???

im confused on this. #include <iostream> using namespace std; int main() { char *c,c1 ; c = &c1 ; cin >> c1 ; cout << c1 ,"\...

[2 replies] Last: No, no, no! That snippet does this: char * c; char c1 ; Anyway, th... (by moorecm)

by kcomp11

Please help!!!

trying to use a function to calculate average grade and ive fallen off the tracks.... #include<iostream> using namespace std; void findAverage(int &, int ...

[1 reply] : http://www.cplusplus.com/forum/beginner/54038/ Please refrain from ... (by ciphermagi)

by AdumUp

In Need of Assistance

I have been having a problem with my IDE lately. I am using the latest version of Code::Blocks. When I try to build I am greeted with a wonderfully red list of ...

[15 replies] Last: Have you tried going to Windoze Add/Remove Program Wizard and removing... (by ciphermagi)

by Drake Arsement

How to print out the time?

I have a program that works great, but the only thing that would make it work even better would be if, say, every minute, it printed out the time. Right now ...

[3 replies] Last: C works in C++ if you include the correct header files. (by ciphermagi)

by ctrygirl

In Need of Assistance Please

Hi i have to write a code that allows the user to key in any number of item prices for items purchased in a discount store. Display the grand total amount of al...

[14 replies] Last: okay never mind this is just confusing me even more, thank you for tr... (by ctrygirl)

by psp1202

Trouble with output

Hey all, I'm writing a program that finds the root mean square of a series of numbers the user inputs. When the user wants to exit the program they wi...

[5 replies] Last: Then do this: if(root == 0) { cout << "No data" << endl; } e... (by ciphermagi)

by hopesfall

Why use char for cin.getline()?

I'm new to c++ and came across this in one of the examples: char filename ; char input_line ; cout << "Enter a file name and press ENTER: "; ...

[2 replies] Last: In fact, it's preferable to use std::strings when taking input, as the... (by helios)

by gh24

Sorting An Array

Hi Guys, I have an array of unknown size. I need to sort the vector (can be smallest to largest or largest to smallest) BUT I need to keep the index of the arr...

[11 replies] Last: Yea the initial idea I had was correct, I was just trying to sort it a... (by gh24)

by targt123

array not deleting

void f(int * & a) { int * temp; temp = new int ; temp = 2; temp = 20; a = temp; delete temp; } int main () { int * v ...

[8 replies] Last: void f(int &a ) (by ciphermagi)

by CIS

Mad lib

I have another problem, I have to rewrite Mad Lib Game, so that no strig objects are passed to the function that tells the story. Instead, the function should a...

[2 replies] Last: Thank you!.... (by CIS)

by biplav17

Sorting the marks and the Students names together...

How to sort them together. I want to sort students marks in ascending order but also would like to sort the names which is array of strings in my program. Pleas...

[10 replies] Last: ok thank you i will try to imply it (by biplav17)

by kcomp11

using function for MPH

Im new to functions and im not sure why I cant get this to run?? any help would be greatly appreciated! :) #include<iostream> using namespace std; void f(i...

[3 replies] Last: I figured it out, Thank you! (by kcomp11)

by rucafe

dynamic allocating array

I am dynamically allocating a 3D array like so float* Array = new float[height*width*depth]; I need to dynamically the 3D array because it is very big (...

[4 replies] Last: You could make a wrapper for the 1D array value_type& matrix3d::oper... (by ne555)

by kdmpenguin

void functions

Hey guys I'm new here. I have a little bit of knowledge about c++ but I need some help with this problem. I know my program doesn't work, but if you could help ...

[3 replies] Last: no it not better. For starters now you have an erroneous while statem... (by markyrocks)

by imgregduh

ofstream question

i have a main.cpp, function.cpp and a header.h , i want to use ofstream to send message to a txt. messages are located in the functions on the function.cpp. Whe...

[12 replies] Last: no i took out both from main.cpp (by imgregduh)

by chekz

Files Question

Hey guys looking for some help. I have a text file. In this file there is a single function." printf("Hello World"); " What I want to do is to read the fu...

[2 replies] Last: I could do that and that would make sense. But I am looking to do it m... (by chekz)

by davesjada44

Putting the answer of a equation into command in

I am teaching myself C++, the problem I have to answer is In Mathematics, the quantity of b^2-4ac is called the "discriminate." Write a program that asks the ...

[7 replies] Last: I'm pretty sure Mathhead knows why you were using a system call. It's... (by cnoeval)

by Tsax

Loops

Hi, I am trying to write a loop but only have my variable increment every other time through the loop. I know to have it increment every time it would be someth...

[1 reply] : Well, you could have for( int x = 2, t = 1; x<10; t = 1-t, x+=t )... ... (by hamsterman)

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Beginners - November 2011 (Page 61)