結果
| 問題 | No.2632 Center of Three Points in Lp Norm | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2024-02-16 23:22:38 | 
| 言語 | D (dmd 2.109.1) | 
| 結果 | 
                                WA
                                 
                             | 
| 実行時間 | - | 
| コード長 | 2,387 bytes | 
| コンパイル時間 | 2,453 ms | 
| コンパイル使用メモリ | 164,236 KB | 
| 実行使用メモリ | 6,824 KB | 
| 最終ジャッジ日時 | 2024-09-28 22:07:02 | 
| 合計ジャッジ時間 | 32,441 ms | 
| ジャッジサーバーID (参考情報) | judge4 / judge5 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 4 | 
| other | AC * 29 WA * 5 | 
ソースコード
import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.bitmanip, std.complex, std.container, std.math, std.mathspecial, std.numeric, std.regex, std.typecons;
import core.bitop;
class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }
bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }
int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }
enum LIM = 1e+6L + 10;
enum ITER = 500;
real P;
real[3] X, Y;
real mn, xm, ym;
real solve(real x, real y) {
  real[3] ds;
  foreach (i; 0 .. 3) {
    ds[i] = abs(x - X[i])^^P + abs(y - Y[i])^^P;
  }
  real cost = 0.0L;
  foreach (i; 0 .. 3) foreach (j; i + 1 .. 3) {
    cost += abs(ds[i] - ds[j])^^(1.0L/P);
  }
  if (chmin(mn, cost)) {
    xm = x;
    ym = y;
  }
  return cost;
}
real solve(real x) {
  real lo = -LIM, hi = +LIM;
  foreach (_; 0 .. ITER) {
    const l = (lo + lo + hi) / 3;
    const h = (lo + hi + hi) / 3;
    (solve(x, l) < solve(x, h)) ? (hi = h) : (lo = l);
  }
  return solve(x, lo);
}
real solve() {
  real lo = -LIM, hi = +LIM;
  foreach (_; 0 .. ITER) {
    const l = (lo + lo + hi) / 3;
    const h = (lo + hi + hi) / 3;
    (solve(l) < solve(h)) ? (hi = h) : (lo = l);
  }
  return solve(lo);
}
void main() {
  try {
    for (; ; ) {
      P = readToken.to!real;
      foreach (i; 0 .. 3) {
        X[i] = readToken.to!real;
        Y[i] = readToken.to!real;
      }
      
      mn = real.infinity;
      xm = ym = 0.0L;
      solve;
      debug {
        writeln("mn = ", mn);
      }
      writefln("%.12f %.12f", xm, ym);
    }
  } catch (EOFException e) {
  }
}
            
            
            
        