C/C++ :: Calculate Volume Of A Cone With Values For Diameter Of Base And Height

Jan 30, 2014

I am having trouble with calculating the volume of a cone

Assignment: Using the knowledge you already have, create, build, run, and correct if necessary a program that will calculate the volume of a cone. Insert into your code values for diameter of the base and the height. Use variables, constants, literals, and mathematics as necessary.

The formula for the volume is:

1/3 π x Radius2 x Height

Hint: you will need to add to your program two lines where appropriate:

#include <cmath>
const double PI = 2*acos(0.0);

Here is my current code:

#include <iostream>
using namespace std;
int main () {
//diameter of the base
float diameter = 3;

[Code] ....

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C++ :: Cone Volume Calculator Program

Nov 6, 2014

I'm working on below program and I want the program to do the same thing, but with not one main() function, but instead one main() function PLUS one user defined function called computeConeVolume that contains the calculation. In other words I want to remove the one line calculation and replace it with a function call, then write and add the function below main with the calculation, surrounded any other syntax that I need to complete it.

The function should contain local variables and a constant declared and must have the calculation, it may not do anything else such as input or output. Should be able to declare "global" variables anywhere but no variables above or outside of main() and the function are allowed. A value-returning function should be used because it's a little simpler to understand, but you can employ a void function. Need to have a function prototype at the top of the code, then main, then your function.

//Cone Volume Calculator Program
#include <iostream>
using namespace std;
int main( ) {
//Declare variables and constants
double coneRadius = 0.0;
double coneHeight = 0.0;

[Code] ....

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C/C++ :: Circle Paper Of Radius R - Max Cone Volume

Jan 23, 2014

My problem is the following : We have a circle paper of radius R. We will cut off a sector of this circle (with length rem_sec), and the remaining (bigger part) will create a cone. Radius of cone base is r.

I need to create a code that prompts the user to enter circle's radius R and the program will calculate the length of removed sector (rem_sec) so that the created cone has the Max Volume.

I wrote the following code, but it doesn't work. It displays both rem_sec and MaxV = 0.

#include <iostream>
#include <cmath>
#include <iomanip>
#include <conio.h>
using namespace std;
const double PI = 3.1415;
int main() {
double rem_sec;

[Code] ...

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C++ :: Input Length / Width And Height For 3 Boxes - Sum And Average Volume

Dec 6, 2013

How would I make it so that I can have someone input the length, width and height for all 3 boxes and then have it output the sum and average volume? Here's an example of what I would like:

INPUT - Enter Box 1 (Length, Width, Height): 10.1 11.2 3.3
INPUT – Enter Box 2 (Length, Width, Height): 5.5 6.6 7.7
INPUT – Enter Box 3 (Length, Width, Height): 4.0 5.0 8.0
OUTPUT – The sum of the volume is 812.806
OUTPUT – The average volume is 270.935

Here's my original code:

#include <iostream>
using namespace std;
double box(double length, double width, double height); // use double data
int main() {
double sum;
sum = box(10.1, 11.2, 3.3) + box(5.5, 6.6, 7.7) + box(4.0, 5.0, 8.0);

[Code] .....

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Apr 27, 2013

I would like to calculate area and volume of cylinder but radious and height should be integer, float and double. How can i do?

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Sep 28, 2014

I looking for method which can give me the height difference of an AVL_tree.

The method i come up with up now is this.

int avl_tree::balance(node* pointer)
{
while (pointer->left != NULL) {
int left = balance(pointer ->left);
}
while (pointer->right != NULL) {
int right = balance(pointer->right);
}
return left - right;
}

Which recursively calls itself, but the problem is that i get stuck on the first line..

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C :: How To Calculate Surface Area And Volume For Rectangular Prism

Jan 24, 2015

So for my assignment, I have to write code to calculate the surface area and volume for a rectangular prism that involves the use of functions. I made the program without functions and it works perfectly but as I'm putting in the required functions, it conversely made it non-functional, ironically. How to call functions correctly and the online book we're using now is confusing me even more.

Code:

#include <stdio.h>
#include <math.h>
int main(void) {
double x1, x2, x3, x4, x5, x6, x7, x8 = 0;
double y1, y2, y3, y4, y5, y6, y7, y8 = 0;
double z1, z2, z3, z4, z5, z6, z7, z8 = 0;
double length, width, height=0;

[Code]....

And here is the version I'm using to test it (without the need to input the individual coordinates).

Code:

#include <stdio.h>
#include <math.h>
int main(void) {
double x1, x2, x3, x4, x5, x6, x7, x8 = 0;
double y1, y2, y3, y4, y5, y6, y7, y8 = 0;
double z1, z2, z3, z4, z5, z6, z7, z8 = 0;
double volumePrism, surfaceArea =0;

[Code]...

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Visual C++ :: Arrays - Solve Equation Using All Volume Values

Dec 22, 2012

I am using matlab R2o11 in which the programming medium is c++. I am having these variables=

T=373 t0 376
V=0.09 to 1
P=T/V

I just need a result showing ... First it should take T=373 and solve the equation using all volume values. Then it takes another temperature and do the same.

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C++ :: Calculate Logarithm With Own Base

Sep 10, 2013

How can i calculate a logarithm with my own base for example log on base 0.52 ?

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C/C++ :: Adding Base-N Through Strings (between Base-2 And Base-36)

Feb 27, 2015

I just wanted to add strings in any base form (example 1101+100 = 10001 in base-2 but it could be added using any base-form like in base-3 to base-36) and I'm having a big trouble with my code because it gave me incorrect results.

addition(char st[], char st2[], int base){
int i, j, carry = 0, ans, len, o=0, z=1, l=0;
char final[50];
if(strlen(st)>=strlen(st2))
len = strlen(st);
else
len = strlen(st2);

[Code] ....

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C :: How To Calculate Range Of Values

Nov 23, 2013

What the range of values ​​and how to calculate them?

int Num = rand() % 350 + 13 / 10

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C++ :: Calculate The Size Of Values?

Dec 16, 2013

I'm trying to calculate the size of values I've dynamically allocated memory to, i.e.

col_ind = new long[nz];
row_ptr = new long[inrows+1];
val = new double[nz];

from pointers. Now I've created the function,

int getmemsize(int i) {
int sizes[3];
sizes[0] = sizeof val;
sizes[1] = sizeof col_ind;
sizes[2] = sizeof row_ptr;
return sizes[i];
}

but each one is returning just the value 4? My arrays (one example) look like:

val = [ 5 2 5 9 8 3 9 10 9 ]
col_ind = [ 0 1 1 ]
row_ptr = [ 0 2 3 ]

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C/C++ :: Calculate Sum For Input Values Of X And N

Feb 27, 2015

I added my assignment to attachment, i need to calculate the sum for input values of x and n this is my code:

#include<stdio.h>
#include<math.h>
main() {
float gore,dole,s,x;
int n,i,j,z;
s=0;
i=0;
j=0;

[Code] ....

gore calculates x^(2*i)-3 and dole is for (2+i)! for input x=1 and n=1 i get -2.0 output which is the value of x^(2*i)-3 the (2+i)! part gets ignored for some reason, for any other input i tried the output is 0 ....

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C++ :: Calculate Average From Array Values

Jan 8, 2014

i wrote following code to calculate average of the values entered to the array.After displaying the output following error was displayed.

"Run-Time Check Failure #2 - Stack around the variable 'marks' was corrupted.

A buffer overrun has occurred in q 3 410005111.exe which has corrupted the program's internal state. Press Break to debug the program or Continue to terminate the program. "

//Average mark of student 1
cout<<"Avarage mark of the student 1 :"<<(marks[0][0]+marks[1][0]+marks[2][0]+marks[3][0]);
cout<<endl;

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Jun 1, 2013

I am attempting to create a program which calculates the product of 4 vertical values in the matrix. The numbers are supposed to be randomly generated and the size of the matrix is given through the command window.

However I seem to have either not pointed my matrix through all of my functions correctly, or my logic is off somewhere as I keep getting this output regardless of the size of matrix I put in:

"the location of the highest horizontal line product is: 5 0 and is the number: 0

The overall max value is 4196352 at the above coordinates."

using namespace::std;
//srand(time(0));
int h_line(int**, int, int);
int v_line(int, int,int);
int diagnol_left(int,int,int);

[Code] .....

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C++ :: Transfer Values Set In Privates Of Base Class By Object Of One Derived Class To Another

Apr 26, 2014

I have my main.cpp like this:

#include <iostream>
#include "curve1.h"
#include "curve2.h"
using namespace std;
int main() {
Curve1 curve1Obj;
Curve2 curve2Obj;

[Code]...

Base class Score has two derived classes Curve1 and Curve2. There are two curve() functions, one is in Curve1 and other in Curve2 classes. getSize() returns the value of iSize.

My base class header score.h looks like this:

#ifndef SCORE_H
#define SCORE_H
class Score {
private:
int *ipScore;
float fAverage;
int iSize;

[Code]...

You can see that I have used curve1Obj to enter scores, calculate average and output. So if I call getSize() function with cuve1Obj, it gives the right size that I took from user in enterScores() function. Also the result is same if I call getSize() in score.cpp definition file in any of the functions (obviously).
.....

The problem is when I call curve() function of Curve2 class in main (line 23) with the object curve2Obj, it creates a new set of ipScore, fAverage and iSize (i think?) with garbage values. So when I call getSize() in curve() definition in curve2.cpp, it outputs the garbage. .....

How can I cause it to return the old values that are set in curve1.cpp?

Here is my curve2.cpp

#include <iostream>
#include "curve2.h"
using namespace std;
void Curve2::curve() {
cout << "getSize() returns: " << getSize() << endl; // out comes the garbage
}

Can I use a function to simply put values from old to new variables? If yes then how?

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Sep 12, 2013

I'm trying to calculate the number of distinct values entered into an array. If i enter the followings "3,4,5,6,7,7,6,e (anything that's not a number)" . I get a total of 7 but in reality it should be a 5.

Code:

#include <stdio.h>
//---------function to find the distinct values----
int find_distinct(int list[], int size)
{
int i, j,size2, distinct = 0;
for(i = 0; i < size; i++)

[Code]...

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Sep 3, 2014

// Purpose: calculate total cost given the tax values

#include <iostream>
#incluse <string>
using namespace std;
int main() {
double purchasePrice, stateTaxAmt, countyTaxAmt, totalCost;
//Display purchase price

[Code] ....

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C++ :: Using A For Loop To Input And Output Array Values Also Calculate The Average

Jan 24, 2014

I have this code that im stuck on what i need to do is Extend the code such that when it starts the user is asked to input values to specify each of the three ranges before moving on to accept and tally the main values how do i do that Using a for loop to input and output array values Also calculate the average

*/
#include <stdio.h>
int main(void)
{
/* Declare an array of integers */
int Grades[5];
int nCount;
int nTotal = 0; /* Declare and initialise the value */
float fAverage;

[Code]...

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Apr 15, 2013

How would you convert say "238273615237287352536266362524382737272" base 10 to a base x number contained within a string of characters?

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So I have to make a program that allows the user to enter both positive and negative numbers and the program is suppose to calculate the sum of only the positive values while ignoring the negative values. Also it is to be a sentinel-controlled loop with a number ending the set of values.

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Mar 25, 2013

I got this algorithm of conversion and now I'm stuck at how to code it.

"Algorithm to Convert From any Base to Base 10 Decimal."

Let 'n' be the number of digits in the number. For example, 104 has 3 digits, so 'n'=3.
Let 'b' be the base of the number. For example, 104 is decimal so 'b' = 10.
Let 's' be a running total, initially 0.

For each digit in the number, working left to right do:

Subtract 1 from 'n'.
Multiply the digit times b^n and add it to 's'.

When done with all the digits in the number, the decimal value should be 's' .

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Mar 20, 2014

I need to convert an integer, for example 10, to its base 16 equivalent, 16. I found this code that converts a base 16 number to base 10, but I need the opposite. Plus, this code doesn't seem to work properly with input values under 32.

Code:

uint32_t input = 16;
uint8_t temp;
temp = ((input>>8)*100)|((input>>4)*10)|(input&0x0f);

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C/C++ :: Get Volume Of A Box Using Classes

Feb 22, 2015

n the requirements it says this;

-create a get and set for height, width, length.
-A default parameterized constructor = 1
-A method to resize the box
-A method to get the volume of the box
-A method to convert the object to a string

My Questions:

The 3 parts I am confused by are the default parameter constructor, the re-size the box and the method to convert to string. For the default parameter part I figured making length, width and height = to 1 would work, but I'm pretty sure thats not what I'm supposed to do.

This is the main file

#include "box_class.h"
#include <iostream>
using namespace std;
int main() {
double length;
double width;
double height;
double volume;

[Code] ......

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Apr 27, 2013

I would like to calculate area and volume of cylinder but radious and height should be integer, float and double.

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I run some computations which give a big number of vectors (let's say 100 vectors, each one contain 2000 elements of type double). I want to save those data and import them into Excel.

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