結果
問題 | No.1016 三目並べ |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-04-03 23:00:24 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 3,275 bytes |
コンパイル時間 | 1,313 ms |
コンパイル使用メモリ | 179,548 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-22 06:30:57 |
合計ジャッジ時間 | 1,883 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 3 ms
6,940 KB |
testcase_10 | AC | 3 ms
6,944 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; } real readReal() { return readToken.to!real; } 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)); } bool checkPart(string part) { const len = cast(int)(part.length); const o = part.count('o'); bool ret; switch (o) { case 0: { ret = false; } break; case 1: { ret = (len >= 4 && part[0] == '-' && part[len - 1] == '-'); } break; case 2: { ret = !(len % 2 == 0 && part[0] == 'o' && part[len - 1] == 'o'); } break; default: { ret = true; } } return ret; } bool check(string board) { auto parts = board.split("x"); bool ret; foreach (part; parts) { if (checkPart(part)) { ret = true; } } return ret; } void main() { debug { enum lim = 13; foreach (n; 1 .. lim + 1) { auto dp = new bool[3^^n]; foreach_reverse (p; 0 .. 3^^n) { const board = iota(n).map!(i => "-ox"[p / 3^^i % 3]).array; const diff = board.count('o') - board.count('x'); if (board.count('-') == 0) { // done foreach (i; 0 .. n - 3 + 1) { if (board[i .. i + 3] == "ooo") { dp[p] = true; } } } else if (diff == 0) { // o foreach (i; 0 .. n) { if (board[i] == '-') { if (dp[p + 3^^i]) { dp[p] = true; } } } } else if (diff == 1) { // x dp[p] = true; foreach (i; 0 .. n) { if (board[i] == '-') { if (!dp[p + 2 * 3^^i]) { dp[p] = false; } } } } else { continue; } if (diff == 0) { if (dp[p]) { writeln(board, ": ", diff, " ", dp[p]); } const res = check(board); assert(dp[p] == res, format("FAIL %s: %s %s", board, dp[p], res)); } } } } try { for (; ; ) { const numCases = readInt(); foreach (caseId; 0 .. numCases) { const N = readInt(); const S = readToken(); const ans = check(S); writeln(ans ? "O" : "X"); } } } catch (EOFException e) { } }