#include using namespace std; typedef long long ll; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b>R>>K; vector ans; for(int q=0;q<(int)(K)/2;q++){ double le=0,ri=R; for(int qq=0;qq<80;qq++){ double mid=(le+ri)/2; double X=sqrt(R*R-mid*mid); double res=R*R*atan2(X,mid); //cout<=R*R*M_PI*(q+1)/(K+1)) le=mid; else ri=mid; } ans.push_back(le); } if((int)(K)&1) ans.push_back(0); for(int i=0;i<(int)(K)/2;i++) ans.push_back(-ans[i]); sort(all(ans)); for(double x:ans) cout<