結果
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 2.109.1) |
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 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 20 |
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) { } }