結果
| 問題 | No.3292 World Map Distance | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2025-10-03 21:56:50 | 
| 言語 | D (dmd 2.109.1) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 456 ms / 3,000 ms | 
| コード長 | 2,309 bytes | 
| コンパイル時間 | 1,988 ms | 
| コンパイル使用メモリ | 112,660 KB | 
| 実行使用メモリ | 25,308 KB | 
| 最終ジャッジ日時 | 2025-10-03 21:57:06 | 
| 合計ジャッジ時間 | 10,337 ms | 
| ジャッジサーバーID (参考情報) | judge2 / judge1 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 34 | 
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)); }
long solve(long A, long[] X) {
  const N = cast(int)(X.length);
  auto xs = X.dup;
  xs.sort;
  xs.length *= 2;
  foreach (i; 0 .. N) xs[i + N] = xs[i] + A;
  auto xsSum = new long[2*N + 1];
  foreach (i; 0 .. 2*N) xsSum[i + 1] = xsSum[i] + xs[i];
  long ans;
  void check(long x) {
    x %= A;
    const l = xs.lowerBound(x);
    const m = xs.lowerBound(x + (A - A/2));
    const r = l + N;
    long score;
    score += ((xsSum[m] - xsSum[l]) - (m - l) * x);
    score += ((r - m) * (x + A) - (xsSum[r] - xsSum[m]));
    debug writeln(x, ": ", xs[l .. m], " ", xs[m .. r], "; ", score);
    chmax(ans, score);
  }
  foreach (i; 0 .. N) {
    check(xs[i]);
    check(xs[i] + A/2);
    check(xs[i] + (A-A/2));
  }
  return ans;
}
void main() {
  try {
    for (; ; ) {
      const N = readInt;
      const A = readLong;
      const B = readLong;
      auto X = new long[N];
      auto Y = new long[N];
      foreach (i; 0 .. N) {
        X[i] = readLong;
        Y[i] = readLong;
      }
      
      long ans;
      ans += solve(A, X);
      ans += solve(B, Y);
      writeln(ans);
    }
  } catch (EOFException e) {
  }
}
            
            
            
        