結果
問題 | No.765 ukuku 2 |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-03-25 10:16:19 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 2,226 ms / 3,000 ms |
コード長 | 3,095 bytes |
コンパイル時間 | 1,051 ms |
コンパイル使用メモリ | 119,292 KB |
実行使用メモリ | 14,024 KB |
最終ジャッジ日時 | 2024-06-13 04:32:21 |
合計ジャッジ時間 | 36,746 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
(要ログイン)
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 | 36 ms
6,836 KB |
testcase_01 | AC | 36 ms
6,940 KB |
testcase_02 | AC | 37 ms
6,944 KB |
testcase_03 | AC | 35 ms
6,944 KB |
testcase_04 | AC | 36 ms
6,944 KB |
testcase_05 | AC | 36 ms
6,940 KB |
testcase_06 | AC | 36 ms
6,944 KB |
testcase_07 | AC | 36 ms
6,940 KB |
testcase_08 | AC | 36 ms
6,940 KB |
testcase_09 | AC | 35 ms
6,940 KB |
testcase_10 | AC | 36 ms
6,940 KB |
testcase_11 | AC | 35 ms
6,940 KB |
testcase_12 | AC | 36 ms
6,944 KB |
testcase_13 | AC | 36 ms
6,944 KB |
testcase_14 | AC | 36 ms
7,280 KB |
testcase_15 | AC | 36 ms
6,940 KB |
testcase_16 | AC | 35 ms
6,940 KB |
testcase_17 | AC | 36 ms
6,944 KB |
testcase_18 | AC | 37 ms
6,944 KB |
testcase_19 | AC | 36 ms
6,940 KB |
testcase_20 | AC | 35 ms
7,116 KB |
testcase_21 | AC | 35 ms
6,940 KB |
testcase_22 | AC | 36 ms
6,964 KB |
testcase_23 | AC | 35 ms
6,940 KB |
testcase_24 | AC | 35 ms
6,940 KB |
testcase_25 | AC | 37 ms
6,940 KB |
testcase_26 | AC | 37 ms
7,208 KB |
testcase_27 | AC | 37 ms
6,944 KB |
testcase_28 | AC | 35 ms
6,944 KB |
testcase_29 | AC | 36 ms
6,968 KB |
testcase_30 | AC | 1,428 ms
12,204 KB |
testcase_31 | AC | 1,416 ms
12,008 KB |
testcase_32 | AC | 1,192 ms
12,072 KB |
testcase_33 | AC | 1,339 ms
13,052 KB |
testcase_34 | AC | 1,336 ms
12,972 KB |
testcase_35 | AC | 1,945 ms
13,012 KB |
testcase_36 | AC | 1,920 ms
13,596 KB |
testcase_37 | AC | 2,164 ms
12,952 KB |
testcase_38 | AC | 2,226 ms
13,184 KB |
testcase_39 | AC | 2,184 ms
12,960 KB |
testcase_40 | AC | 1,459 ms
11,984 KB |
testcase_41 | AC | 1,572 ms
12,604 KB |
testcase_42 | AC | 1,677 ms
13,128 KB |
testcase_43 | AC | 1,535 ms
12,096 KB |
testcase_44 | AC | 1,535 ms
12,624 KB |
testcase_45 | AC | 1,778 ms
12,372 KB |
testcase_46 | AC | 1,551 ms
12,548 KB |
testcase_47 | AC | 1,753 ms
12,564 KB |
testcase_48 | AC | 1,714 ms
12,500 KB |
testcase_49 | AC | 1,726 ms
14,024 KB |
ソースコード
import std.conv, std.functional, std.stdio, std.string; import std.algorithm, std.array, std.bigint, std.container, std.math, std.numeric, std.range, 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)); } enum long[] P = [1000000007, 1000000009]; enum LIM = 2 * 10^^5; int N; string S; void main() { auto BASE = new long[P.length]; BASE[0] = 314159265L; foreach (h; 1 .. P.length) { BASE[h] = (BASE[h - 1] * 123456789L) % 999999937L; } auto BB = new long[][](P.length, LIM + 1); foreach (h; 0 .. P.length) { BB[h][0] = 1; foreach (i; 0 .. LIM) { BB[h][i + 1] = (BB[h][i] * BASE[h]) % P[h]; } } try { for (; ; ) { S = readToken(); N = cast(int)(S.length); auto sum0 = new long[][](P.length, N + 1); auto sum1 = new long[][](P.length, N + 1); foreach (h; 0 .. P.length) { foreach (i; 0 .. N) { sum0[h][i + 1] = (sum0[h][i] + S[i] * BB[h][i]) % P[h]; sum1[h][i + 1] = (sum1[h][i] + S[i] * BB[h][N - i]) % P[h]; } } int calc(int l, int r) { int lo = 0, hi = min(l + 1, N - r) + 1; for (; lo + 1 < hi; ) { const mid = (lo + hi) / 2; bool ok = true; foreach (h; 0 .. P.length) { const tmpL = (sum0[h][l + 1] - sum0[h][l + 1 - mid]) * BB[h][N - r]; const tmpR = (sum1[h][r + mid] - sum1[h][r]) * BB[h][l]; if ((tmpL - tmpR) % P[h] != 0) { ok = false; break; } } (ok ? lo : hi) = mid; } debug { writeln("calc ", l, " ", r, " = ", lo); } return lo; } int ans; foreach (i; 0 .. N) { foreach (s; 0 .. 2) { if (i + s < N) { const int a = calc(i, i + s); chmax(ans, 2 * a - 1 + s - 1); if (0 <= i - a) { chmax(ans, 2 * a - 1 + s + 2 * calc(i - a - 1, i + s + a)); } if (i + s + a < N) { chmax(ans, 2 * a - 1 + s + 2 * calc(i - a, i + s + a + 1)); } } } } writeln(ans); } } catch (EOFException e) { } }