import java.io.*; import java.util.*; import java.util.Map.*; public class Main_yukicoder456 { private static Scanner sc; private static Printer pr; private static void solve() { int m = sc.nextInt(); int[] a = new int[m]; int[] b = new int[m]; double[] t = new double[m]; // Map> hm = new HashMap<>(); Map> hm2 = new HashMap<>(); for (int i = 0; i < m; i++) { a[i] = sc.nextInt(); b[i] = sc.nextInt(); t[i] = sc.nextDouble(); int tmp = a[i] * 100 + b[i]; if (!hm2.containsKey(tmp)) { // hm.put(tmp, new ArrayList<>()); hm2.put(tmp, new ArrayList<>()); } // hm.get(tmp).add(t[i]); hm2.get(tmp).add(i); } Map ret = new HashMap<>(); // Queue l = new ArrayDeque<>(); // Queue r = new ArrayDeque<>(); // Queue> ans = new ArrayDeque<>(); // Queue cnt = new ArrayDeque<>(); Queue q = new ArrayDeque<>(); for (Entry> tt : hm2.entrySet()) { int aa = tt.getKey() / 100; int bb = tt.getKey() % 100; q.clear(); q.add(new Quad(0.0, 30000.0, tt.getValue(), 0)); // l.add(0.0); // r.add(30000.0); // ans.add(tt.getValue()); // cnt.add(0); while (!q.isEmpty()) { Quad ee = q.remove(); double ltmp = ee.l; double rtmp = ee.r; List anstmp = ee.ans; int cnttmp = ee.cnt; if (cnttmp > 60) { for (int e : anstmp) { ret.put(e * 1_000_000_000L + tt.getKey(), rtmp); } continue; } List ansr = new ArrayList<>(); List ansl = new ArrayList<>(); // ansr.clear(); // ansl.clear(); double mid = (ltmp + rtmp) / 2; double f = Math.pow(mid, aa) * Math.pow(Math.log(mid), bb); for (int i = 0, size = anstmp.size(); i < size; i++) { // pr.printf("%e %e\n", mid, f); if (f >= t[anstmp.get(i)]) { ansr.add(anstmp.get(i)); } else { ansl.add(anstmp.get(i)); } } if (ansr.size() > 0) { q.add(new Quad(ltmp, mid, ansr, cnttmp + 1)); // l.add(ltmp); // r.add(mid); // ans.add(ansr); // cnt.add(cnttmp + 1); } if (ansl.size() > 0) { q.add(new Quad(mid, rtmp, ansl, cnttmp + 1)); // l.add(mid); // r.add(rtmp); // ans.add(ansl); // cnt.add(cnttmp + 1); } } } for (int i = 0; i < m; i++) { long key = i * 1_000_000_000L + a[i] * 100 + b[i]; // pr.printf("%.10f\n", ret.get(key)); pr.println(Double.toString(ret.get(key))); } } private static class Quad { double l; double r; List ans; int cnt; Quad(double l, double r, List ans, int cnt) { this.l = l; this.r = r; this.ans = ans; this.cnt = cnt; } } // --------------------------------------------------- public static void main(String[] args) { sc = new Scanner(System.in); pr = new Printer(System.out); solve(); pr.close(); sc.close(); } @SuppressWarnings("unused") private static class Scanner { BufferedReader br; Scanner (InputStream in) { br = new BufferedReader(new InputStreamReader(in)); } private boolean isPrintable(int ch) { return ch >= '!' && ch <= '~'; } private boolean isCRLF(int ch) { return ch == '\n' || ch == '\r' || ch == -1; } private int nextPrintable() { try { int ch; while (!isPrintable(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } return ch; } catch (IOException e) { throw new NoSuchElementException(); } } String next() { try { int ch = nextPrintable(); StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (isPrintable(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } int nextInt() { try { // parseInt from Integer.parseInt() boolean negative = false; int res = 0; int limit = -Integer.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Integer.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } int multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } long nextLong() { try { // parseLong from Long.parseLong() boolean negative = false; long res = 0; long limit = -Long.MAX_VALUE; int radix = 10; int fc = nextPrintable(); if (fc < '0') { if (fc == '-') { negative = true; limit = Long.MIN_VALUE; } else if (fc != '+') { throw new NumberFormatException(); } fc = br.read(); } long multmin = limit / radix; int ch = fc; do { int digit = ch - '0'; if (digit < 0 || digit >= radix) { throw new NumberFormatException(); } if (res < multmin) { throw new NumberFormatException(); } res *= radix; if (res < limit + digit) { throw new NumberFormatException(); } res -= digit; } while (isPrintable(ch = br.read())); return negative ? res : -res; } catch (IOException e) { throw new NoSuchElementException(); } } float nextFloat() { return Float.parseFloat(next()); } double nextDouble() { return Double.parseDouble(next()); } String nextLine() { try { int ch; while (isCRLF(ch = br.read())) { if (ch == -1) { throw new NoSuchElementException(); } } StringBuilder sb = new StringBuilder(); do { sb.appendCodePoint(ch); } while (!isCRLF(ch = br.read())); return sb.toString(); } catch (IOException e) { throw new NoSuchElementException(); } } void close() { try { br.close(); } catch (IOException e) { // throw new NoSuchElementException(); } } } private static class Printer extends PrintWriter { Printer(PrintStream out) { super(out); } } }