#include <iostream> // Untuk input/output
#include <cmath>    // Untuk fungsi matematika (sin, M_PI)
#include <iomanip>  // Untuk memformat output
 
int main() {
    double V, S; // Kecepatan awal (V) dan sudut peluncuran (S)
    const double g = 9.8; // Percepatan gravitasi (m/s^2)
 
    std::cout << "Masukkan kecepatan awal (m/s): ";
    std::cin >> V;
 
    std::cout << "Masukkan sudut peluncuran (derajat): ";
    std::cin >> S;
 
    // Konversi sudut dari derajat ke radian
    double sudut_radian = S * (M_PI / 180.0);
 
    // Menghitung jarak horizontal terjauh
    double jarak_horizontal = (V * V * std::sin(2 * sudut_radian)) / g;
 
    // Menampilkan hasil dengan format 2 angka di belakang koma
    std::cout << "Jarak horizontal terjauh: "
              << std::fixed << std::setprecision(2) << jarak_horizontal << " meter" << std::endl;
 
    return 0;
}

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