#line 2 "/home/sakflat/CP/_library/cpp/template/template.cpp" //yukicoder@cpp17 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using ll = long long; using P = pair; const ll MOD = 998244353; const ll MODx = 1000000007; const int INF = (1<<30)-1; const ll LINF = (1LL<<62LL)-1; const double EPS = (1e-10); P ar4[4] = {{0,1},{0,-1},{1,0},{-1,0}}; P ar8[8] = {{-1,-1},{-1,0},{-1,1},{0,-1},{0,1},{1,-1},{1,0},{1,1}}; template vector make_vector(size_t a, T b) { return vector(a, b); } template auto make_vector(size_t a, Ts... ts) { return vector(a, make_vector(ts...)); } /* 確認ポイント cout << fixed << setprecision(n) << 小数計算//n桁の小数表記になる 計算量は変わらないが楽できるシリーズ min(max)_element(iter,iter)で一番小さい(大きい)値のポインタが帰ってくる count(iter,iter,int)でintがiterからiterの間にいくつあったかを取得できる */ /* comment outed because can cause bugs __attribute__((constructor)) void initial() { cin.tie(0); ios::sync_with_stdio(false); } */ #line 2 "/home/sakflat/CP/_library/cpp/template/basic.cpp" int main(){ long long r,k;cin>>r>>k; long double area = (long double)r*r*acos(-1)/(k+1); vector ans(k); for(int i = 1; k/2 >= i; i++){ long double mn = 0; long double mx = r; while(mx-mn > 1e-6){ long double ce = (mx+mn)/2; long double ohg = (acos((4*ce*ce-2*r*r)/(2*r*r))/(2*acos(-1))) * (r*r*acos(-1)); //cout << acos((4*ce*ce-2*r*r)/(2*r*r)) << " " << ohg << " " << (ce* sqrt(r*r-ce*ce))<< endl; if(ohg - (ce * sqrt(r*r-ce*ce)) < i*area){ mx = ce; }else{ mn = ce; } } ans[i-1] = mn; } if(k%2)ans[k/2] = 0; for(int i = k; k/2 < i; i--){ ans[i-1] = ans[k-i]; ans[k-i]*=-1; } for(int i = 0; k > i; i++){ cout << fixed << setprecision(10) << ans[i] << endl; } return 0; }