rebonds2.cc
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	#include <iostream>
	#include <cmath>
	using namespace std ;

	int main()
	{
	cout << "Hauteur initiale H0 ?" << endl;
	float H0;
	cin >> H0;
	if (H0 <= 0)
	{
	cout << "L'expérience s'effectue au-dessus du niveau de la mer." << endl;
	return 0;
	}

	cout << "Coefficient de rebond eps ?" << endl;
	float eps;
	cin >> eps;
	if (eps < 0 \|\| eps >=1)
	{
	cout << "0 <= eps < 1" << endl;
	return 0;
	}

	cout << "Hauteur finale désirée h_fin ?" << endl;
	int h_fin;
	cin >> h_fin;
	if (h_fin <= 0 \|\| h_fin >= H0)
	{
	cout << "0 < h_fin < H0" << endl;
	return 0;
	}

	cout << endl;

	float v, v1, h;
	int i(0);
	h=H0;
	while (h > h_fin)
	{
	i=i+1;
	v=sqrt(2h9.81);
	v1=eps*v;
	h=v1v1/(29.81);
	}

	cout << "Hauteur au rebond " << i << " : " << h << endl;

	return 0 ;
	}