C++ Exercises: Calculate the volume of a Cone
C++ Basic: Exercise-45 with Solution
Write a C++ program to calculate the volume of a cone.
Sample Solution:
C++ Code :
#include <iostream>
#include <string>
using namespace std;
int main ()
{
const float pi = 3.14159;
float R, H, V;
cout << "Input Cone's radius: ";
cin >> R;
cout << "Input Cone's height: ";
cin >> H;
// Cone's volume.
V = (1.0/3.0)*pi*(R*R)*H;
cout << "The volume of the cone is: " << V ;
return 0;
}
Sample Input: 5 3
Sample Output:
Input Cone's radius: Input Cone's height: The volume of the cone is: 78.5397
Flowchart:

C++ Code Editor:
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Previous: Write a language program to get the volume of a sphere with radius 6.
Next: Write a program in C++ to calculate the volume of a cylinder.
What is the difficulty level of this exercise?
C++ Programming: Tips of the Day
Why is there no std::stou?
The most pat answer would be that the C library has no corresponding "strtou", and the C++11 string functions are all just thinly veiled wrappers around the C library functions: The std::sto* functions mirror strto*, and the std::to_string functions use sprintf.
Ref: https://bit.ly/3wtz2qA
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