#996210 (D) No.2814 Block Game

• 問題: No.2814 Block Game
• ユーザー: hos.lyric
• 提出日時: 2024-07-19 22:18:15
• 言語: D (dmd 2.106.1)
• 結果: AC
• 実行時間: 200 ms / 2,000 ms
• コード長: 2,040 bytes
• コンパイル時間: 2,172 ms
• コンパイル使用メモリ: 116,608 KB
• 実行使用メモリ: 7,680 KB
• 最終ジャッジ日時: 2024-07-19 22:18:24
• 合計ジャッジ時間: 8,249 ms
• ジャッジサーバーID （参考情報）: judge3 / judge4

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	1 ms; 5,248 KB
testcase_01	AC	173 ms; 7,552 KB
testcase_02	AC	174 ms; 5,376 KB
testcase_03	AC	197 ms; 5,376 KB
testcase_04	AC	187 ms; 5,376 KB
testcase_05	AC	172 ms; 5,376 KB
testcase_06	AC	186 ms; 5,376 KB
testcase_07	AC	175 ms; 6,656 KB
testcase_08	AC	174 ms; 5,376 KB
testcase_09	AC	171 ms; 5,376 KB
testcase_10	AC	169 ms; 5,376 KB
testcase_11	AC	200 ms; 7,552 KB
testcase_12	AC	187 ms; 7,552 KB
testcase_13	AC	181 ms; 5,376 KB
testcase_14	AC	175 ms; 7,552 KB
testcase_15	AC	180 ms; 7,680 KB
testcase_16	AC	185 ms; 7,552 KB
testcase_17	AC	198 ms; 5,376 KB
testcase_18	AC	177 ms; 6,016 KB
testcase_19	AC	177 ms; 5,376 KB
testcase_20	AC	181 ms; 5,376 KB

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)); }


// alice wants K
bool solve(long N, int K) {
  long[2] pos, val;
  pos[1] = 2L^^popcnt(N - 1);
  pos[0] = N - pos[1];
  val[0] = N/2;
  val[1] = N - N/2;
  if (pos[0] == 0) return ((val[1] & 1) == K);
  if (pos[1] == 0) return (0 == K);
  if (val[0] == 0) return ((pos[1] & 1) == K);
  if (val[1] == 0) return (0 == K);
  if (pos[0] == 1 || pos[1] == 1 || val[0] == 1 || val[1] == 1) return true;
  return N & 1;
}

void main() {
  debug {
    foreach (N; 1 .. 16 + 1) {
      writeln(N, ": ", solve(N, 0), " ", solve(N, 1));
    }
  }
  
  try {
    for (; ; ) {
      const numCases = readInt;
      foreach (caseId; 0 .. numCases) {
        const N = readLong;
        const S = readToken;
        const K = (S == "Odd") ? 1 : 0;
        const ans = solve(N, K);
        writeln(ans ? "Alice" : "Bob");
      }
    }
  } catch (EOFException e) {
  }
}