#include <iostream>
#include <cmath>
using namespace std;
 
double prediksiTinggi(double v0, double sudutDeg, double g = 10) {
    double sudutRad = sudutDeg * M_PI / 180.0;
    return (v0 * v0 * pow(sin(sudutRad), 2)) / (2 * g);
}
 
int main() {
    double v0, sudut;
    cout << "Masukkan kecepatan awal (m/s): ";
    cin >> v0;
    cout << "Masukkan sudut lempar (derajat): ";
    cin >> sudut;
 
    cout << "Tinggi maksimum tercapai: " 
         << prediksiTinggi(v0, sudut) << " meter\n";
    return 0;
}

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