Program to draw circle in C++

Area of a Circle in C++ Programming

#include <iostream>
#include <iomanip>
using namespace std;

int main(){
    double R,A;
    cin >> R;
    A = 3.14159 * R * R;
    cout << "A=" << fixed << setprecision(4) << A << endl;
    return 0;
}

Source: devsenv.com

Program to draw circle in C++

#include<iostream> using namespace std; int main() { float r; cout<< ” Enter the Radius”<<endl; cin>> r; float pr = 2; // pr is the aspected pixel ratio which is almost equal to 2 for (int i = -r; i <= r; i++) // loop for horizontal movement { for (int j = -r; j <= r; j++) // loop for vertical movement { float d = ((i*pr)/r)*((i*pr)/r) + (j/r)*(j/r); //multiplying the i variable with pr to equalize pixel-width with the height if (d >0.95 && d<1.08) // approximation { cout << “*”; } else { cout << ” “; } } cout << endl; } return 0; }

Source: quora.com

Similar codes

1 vote273 views1 answer
How to use input border
CSS
5 votes314 views3 answers
Back color rbg
CSS
0 vote259 views1 answer
#f2f2f2 in rgba
CSS
0 vote281 views1 answer
WSGI: Truncated or oversized response headers received from daemon process
CSS
0 vote278 views1 answer
Remove glow textarea css
CSS
0 vote273 views1 answer
Blue color when button click web mobile
CSS
8 votes265 views5 answers
Css multicolor background
CSS
0 vote274 views0 answer
Bootstrapcss
CSS Bootstrap
0 vote283 views1 answer
Css media two conditions
CSS
2 votes280 views2 answers
Nunito font
CSS