C :: Using Functions To Convert Change Into Dollars

Jul 20, 2013

I know this is pretty basic script the problem I have is that I have to use functions for each calculation. The problem I face is that when the user types in the amount of quarters, dimes, nickels, and pennies when a function tries to add them together it displays a huge number instead of the right number.

Here is my code:

#include <stdio.h>
void insert_money(int p, int n, int d, int q, int total){
printf("How much of each coin do you want to insert:
");
printf("Quarters: ");
scanf("%d", &q);

[Code] ....

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C++ :: Utility That Converts Dollars To Coins

Sep 21, 2013

For the program, you will write a utility that converts dollars to coins. It is a simple program that must have the following:

-Multiple outputs to the screen
-At least one input
-The use of integers and strings
-Looking or repetition with Do..While, If..Else
-Must have some output text to show correct value of coins that would be converted from the dollars.
-Code must include comments explaining your reason for the code section or what the code is doing
-Code must compile
-Whole dollars only. If value is less than 1 or 0, the program should break or exit.
-Turn in your source code (.cpp file) to your instructor with your filename including your first and last name and your compiled executable.

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C :: Functions Which Change Arrays Without Pointers?

Jan 17, 2014

the book I learn from gave a task to write a program which gets a matrix , and we have to write a function that switches 2 columns or rows the user inputs .as far as I know a function can not change variables in the main function without using pointers .so , theoretically, can a function described here can be written without using pointers ? as far as I tried - it can not.

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C++ :: Cannot Change Virtual Functions From Object?

Oct 14, 2013

I try the functions pointers too, but without success. I understand the objects are the way for work with class's. until here fine. But why i can't change the virtual functions from an object? is there anyway for do it? Ican't do, outside of classfunctions, these code:

#include <iostream>
using namespace std;
class test {
public:
virtual void created(){};

[Code] ....

How i can validate these line:

void a::created()
???

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C/C++ :: Convert The Functions To Deal With Integers Instead Of Chars

Mar 29, 2014

current functions are:

char *createEnvironment(int width, int height, int numWoodChips);
void printEvrionment(char *environment, int width, int height);

need to be:

int* createEnvironment(int width, int height, int numWoodChips);
void printEvrionment(int* environment, int width, int height);

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>

[Code]....

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Visual C++ :: Convert Unicode (UTF-16) Functions To Ansi (UTF-8)

Nov 20, 2012

Working in Win32 console app (VS 2010) I have been trying to convert several Unicode (UTF-16) C++ functions to Ansi C (UTF-8). The test app includes two tokenizer classes, each of which work perfectly well in their respective environments, CTokA and CTokW (UTF-8 and UTF-16).

A problem arises when I attempt to run the UTF-8 functions when the Character Set properties is set to 'Use Unicode Character Set' in that std::string manipulations do not perform as expected, e.g.,

printf("start
");

gets reproduced as

printf("start
");══════════ ²²²²

Attempting to null terminate the string where it is supposed to end simply results in a space in that position and the garbage end persists, e.g.,

printf("sta t
");══════════ ²²²²

Code:
sline[11] = 0x0000;

If I attempt to change the Character Set property to 'Use Multibyte Character Set' or 'Not Set', the app will not compile and hundreds of errors occur. Of course, I can eliminate all of the UTF-16 code, but it strikes me that it should not be necessary. Perhaps if M$ made everything UTF-16 without all of the necessary decorations like 'L' and '_T(', life would be much simpler. Unfortunately, I have a very extensive UTF-8 app under 10 years of development that works quite well, but my UTF-16 (Unicode) conversion doesnt work as well because of the mixing of pointers (I think), so I have had to revert much of the code back to UTF-8. (All of which has nothing to do with my question but is simply psychotheraputic for me to ventilate on.)

My question is this: Can UTF-8 and UTF-16 code coexist in a single Win32 console app?

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C++ :: Coin / Money Change Code Doesn't Give Exact Change

Feb 20, 2013

My coin/money change code works when there can be an exact change each time, i.e. when the 1 cent option is available. However, when the change options are only $10, $5, $1, 25 cents and 10 cents, it does not give me what I want for instance, I wanted to get change for $237.80, I was expecting to get:

23 10's, one 5, two 1's and 8 dimes. However, the code below is giving me 23 10's, one 5, two 1's and 3 quarters (there is no option left for the 5 remaining cents).how to fix it?

Code:
#include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
void change(double cents, int a[]);
int main() {
double Dollars;
double cents;

[code]...

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C++ :: Class Template Convert Which Can Convert Itself To Any Data Type

Sep 23, 2012

Code:
template<class T>
class Convert {
T data;
public:
Convert(const T& tData = T()) : data(tData)

[Code] ....

Why do we use operator? Is float and double function names below?

Code:
Convert<int>::operator<float> float();
Convert<int>::operator<double> double();

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C/C++ :: How To Access Linked List Functions From Stack Class Without Functions

Mar 20, 2014

I'm a little confused by my programming assignment this week. I've been working at it Wednesday and I've made progress but I'm still confused as to how I'm supposed to do this. The class I made is called Stack, and it's derived from a template class called StackADT. We also utilize a class called unorderedLinkedList, which is derived from a class called linkedList.

We're supposed to implement all of the virtual functions from stackADT in the Stack class. The Stack data is stored in a an unorderedLinkedList, so what I'm confused by is how to implement a few of the Stack functions because there are no functions in unorderedLinkedList which we could call to manipulate the data.

As you can see from my attached code, I'm really confused by how I'm supposed to implement the pop() and top() functions, and I also think my initializeList() function is wrong. We don't have any similar functions in unorderedLinkedList to call, so I'm at a loss of how i'd access my unorderedLinkedList. My initial thought was to call the similar functions in the class that unorderedLinkedList was derived from, linkedList, but I'm unsure of this is what we're supposed to do, or if theres actually a way to access my unorderedLinkedList without having to use the functions from the base class.

NOTE: We're not allowed to modify stackADT, unorderedLinkedList, and linkedList.

Stack.h

#include "stackADT.h"
#include "unorderedLinkedList.h"
template<class Type>
class Stack: public stackADT<Type>{
template <class T>
struct nodeType
{
T info;
nodeType<T> *link;

[Code]...

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C/C++ :: Array Of Functions Pointing To In Class Functions With Arduino

May 3, 2013

At the moment im trying out with pointing to an array of functions. I got this working as following:

typedef void (* functionPtr) ();  
functionPtr functions[2][2]={{do11,do12}, {do21,do22}};    
void do11(){DEBUG_PRINTLN("11");}
void do12(){DEBUG_PRINTLN("12");}
void do21(){DEBUG_PRINTLN("21");}
void do22(){DEBUG_PRINTLN("22");}    
void loop(){
         A=0;
         B=1;
         functions[A][b]();
}  

But now I'm trying to use this to point to a function inside a class so instead of do11, i want to be able to point to Basic.Do11. Somehow this doesnt work and I keep on getting this message:

error: argument of type 'void (Basic::)()' does not match 'void (*)()'

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Mar 6, 2015

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In the old days, there was graphics.h, but that isn't included now, and I would prefer to use some modern extension. I'd like to write it on Win7, then move it to Linux on Raspberry Pi. It would be nice to avoid a full-scale graphics system like OpenGL.

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Nov 14, 2013

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C++ :: Value In Loop Won't Change?

Sep 3, 2014

I am working on a program that is supposed to do I/O file streaming. I dont know if I can properly explain how its supposed to work but I have found the error on my code, I just dont know WHY the error is happening? If you look in the while loop, count changes values like it should, but MOVE and TIP doesnt. Count starts at value 2. So move is 108. Then count becomes 4, but move stays at 108?

tring rec;
fstream myfile("File.txt", ios::in | ios::out);
myfile.seekg(myfile.tellg(), ios::beg);
myfile.seekp(51, ios::beg);

[Code]....

The lines of code im getting errors on is

int move = count * 54;
int tip = move + 51;

Move wont change its value? It stays 108, causing this infinite while loop. Where is the error in my code to cause move to not change values like count does?

I seem to be struggling with I/O File streaming :(

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Apr 24, 2014

How to change directory in c++ ( windows ) I want to go to the folder "example2" and I delete some files and then return to the original folder c++ - windows

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Sep 26, 2012

this is the code:

Code:
#include <stdio.h>
#include <string>
#include <iostream>
using namespace std;
int main () {
int result,i,j;

[Code] ....

and it doesn't find it. it says the the word:"Users" is incorrectly formed universal character name ....

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C++ :: Using Pointers To Change Some Value On The Fly?

May 13, 2015

I've got an interface that provides the methods that are to be implemented

Code:
class A {
virtual void A() = 0;
}
class B : public A {
std::string operator<<(const std::string& lhs);

[Code] ....

I don't know why the << operator in B is never called..

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May 19, 2013

how am i supposed to alter font size of text which appear in output screen?

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Jun 15, 2013

if there is a program which i can use to change the name of a variable in a c program for example if i declare a variable like

Code:

int ch;
printf("%d", ch);

Can i later change the name of the ch variable to lets say "number" the code now becomes

Code:

int number;
printf("%d", number);

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C :: How To Change The Numbers Into Asterisk

Oct 10, 2014

i have my basic C program here (i'm new to C language):

Code:

#include <stdio.h>
int main()
{
int grade;
int A=0;
int B=0;
int C=0;
int D=0;
int E=0;

[Code]....

As you can see, it's only for counting how many students got the grades from A to E, but the problem is that i need to change it from numbers into asterisk

for example: 4 students got the grade A, and 3 students got the grade B

instead of displaying

A=4
B=3

i want it to display

A=****
B=***

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Jun 20, 2013

I have installed VS 2010 and VS 2012. VS 2012 uses SqlServer CE 3.5 and VS 2012 uses SqlServer CE 4.0.The problem is that when a project uses a 3.5 file it tries to open it with 4.0 even if the app.config says to use the 3.5 provider. The version of the assembly is pulled right out of the GAC. I uninstalled 4.0 and the reference auto updated its version to 3.5.1. However after installing 4.0 again it changes to 4.0. The error I am getting is that 4.0 cannot open a 3.5 file....they changed the file format from 3.5 to 4.0 and they are not compatible.

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Dec 20, 2014

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C++ :: Getting Optimal Change In Cents

Sep 4, 2014

On one of my assignments I have to find the optimal change. For example, if I were to have 70 cents and had only quarters, dimes and pennies, the best way to receive change using less coins all together would be 2 quarters and 2 dimes (4 coins all together should be displayed).

All in all, I understand my assignment, however there is something I don't know how to do (or can't recall how to) and that is finding the the highest number in an array to use in a function and be able to compare it.

#include<iostream>
using namespace std;
//function in which amount = money, changeArray is the array where money is stored,
//and numCoins the amount of coin types there are available in the array

int optimalChange(int amount, int * changeArray, int numCoins) {

[Code] .....

What I'm stuck with, is that I don't remember how to get the highest number from the array that way I can compare it with the total amount when I'm building my function. Also, the function has to call itself recursively.

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Sep 13, 2013

So this is the code I have so far, I didn't know it had to be a dynamic array so how would I Utilize dynamic array allocation to size the modal array

#include <iostream>
using namespace std;
int main() {
const int arraySize = 25;
const int patternSize = 10;

[Code] ....

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Oct 5, 2014

im new to c++ ,so my question is how do i change a length of a text. for example hi my name is blah blah blah. nice to meet you. (n i want every lines to have 8 chars how do i do that)

(hi__my__
name_is_
balh____
blah____
blah____
._nice__
to_meet_
you.) (_ equal space)

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Jun 16, 2014

I have a program with the following code, and I need to be able to either change the value of any or all of the strlen or to replace one or all with a temp array value. All values of the expression are arrays.

if (::strlen(tc_buf) + ::strlen(maxtime_buf) + ::strlen(" ") < sizeof(localBuf))

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