Question

Given the height, length, and width of a wedge, assign wedgeVolume with the volume of the wedge.

Ex: If the input is 8 9 2, then the output is:
Volume: 72
Note: The volume of a wedge is calculated by multiplying height, length, and width, and dividing by 2.


My code:
#include
using namespace std;

int main() {
int height;
int length;
int width;
int wedgeVolume;

cin >> height;
cin >> length;
cin >> width;

cout << wedgeVolume = (height * length * width) /= 2;

cout << "Volume: " << wedgeVolume << endl;

return 0;
}
-----------------
Error:
main.cpp:14:55: error: lvalue required as left operand of assignment
14 | cout << wedgeVolume = (height * length * width) /= 2;
------------------
Suggestions? Thank you in advance!

Answer 1

#include <iostream>

int main() {

double height, length, width;

double volume;

// Get input from user

std::cout << "Enter height: ";

std::cin >> height;

std::cout << "Enter length: ";

std::cin >> length;

std::cout << "Enter width: ";

std::cin >> width;

// Calculate volume

volume = (height * length * width) / 2;

// Print result

std::cout << "Volume: " << volume << std::endl;

return 0;

}

Step-by-step explanation:

In C++, you can define multiple varibles of the same type in one line i.e. "double height, length, width". They'll all have a default value of null. Also, you should use doubles or floats to account for decimals. As well, the line

cout << wedgeVolume = (height * length * width) /= 2; wouldn't work because you cant print out a defintion as your defining it. You'd need to seperate the solving of the volume and the printing of the volume to get the code you have to work.