Codigos/908C.cpp at master · tfarnecim/Codigos · GitHub

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#include <bits/stdc++.h>
using namespace std;

//CREATED BY: Douglas Alves

//    ##  ##
//   ########
//    ######
//     ####
//      ##

#define P system("pause")
#define PI 3.14159265358
#define X real()
#define Y imag()
typedef complex <double> point;

int main(){

	int n;
	double r;
	cin >> n >> r;

	int a[n];

	for(int i=0;i<n;i++)cin >> a[i];

	vector <double> calc;

	for(int i=0;i<n;i++){

		double maxi = r;

		for(int j=0;j<calc.size();j++){

			double L = abs(a[i]-a[j])*abs(a[i]-a[j]);
			double R = (2*r)*(2*r);

			if(abs(a[i]-a[j]) <= 2*r){
				if(sqrt(R-L)+calc[j] > maxi){
					maxi = sqrt(R-L)+calc[j];
				}
			}

		}

		calc.push_back(maxi);

	}

	for(int i=0;i<n;i++) printf("%.10lf ",calc[i]);

	cout << endl;

	return 0;
}