結果
問題 | No.919 You Are A Project Manager |
ユーザー | 👑 hos.lyric |
提出日時 | 2019-10-25 23:13:59 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 83 ms / 3,000 ms |
コード長 | 3,895 bytes |
コンパイル時間 | 1,234 ms |
コンパイル使用メモリ | 128,128 KB |
実行使用メモリ | 11,088 KB |
最終ジャッジ日時 | 2024-06-22 02:58:35 |
合計ジャッジ時間 | 3,813 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 13 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,816 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 4 ms
6,940 KB |
testcase_05 | AC | 3 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 28 ms
6,940 KB |
testcase_08 | AC | 8 ms
6,940 KB |
testcase_09 | AC | 5 ms
6,944 KB |
testcase_10 | AC | 9 ms
6,940 KB |
testcase_11 | AC | 8 ms
6,940 KB |
testcase_12 | AC | 1 ms
6,944 KB |
testcase_13 | AC | 11 ms
6,940 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 4 ms
6,940 KB |
testcase_16 | AC | 16 ms
6,944 KB |
testcase_17 | AC | 14 ms
6,940 KB |
testcase_18 | AC | 13 ms
6,944 KB |
testcase_19 | AC | 14 ms
6,940 KB |
testcase_20 | AC | 73 ms
10,412 KB |
testcase_21 | AC | 14 ms
6,940 KB |
testcase_22 | AC | 30 ms
6,940 KB |
testcase_23 | AC | 30 ms
6,940 KB |
testcase_24 | AC | 32 ms
6,940 KB |
testcase_25 | AC | 31 ms
6,944 KB |
testcase_26 | AC | 72 ms
11,088 KB |
testcase_27 | AC | 59 ms
7,556 KB |
testcase_28 | AC | 78 ms
10,576 KB |
testcase_29 | AC | 14 ms
6,944 KB |
testcase_30 | AC | 13 ms
6,944 KB |
testcase_31 | AC | 13 ms
6,940 KB |
testcase_32 | AC | 13 ms
6,940 KB |
testcase_33 | AC | 34 ms
6,940 KB |
testcase_34 | AC | 34 ms
6,940 KB |
testcase_35 | AC | 81 ms
10,860 KB |
testcase_36 | AC | 82 ms
11,004 KB |
testcase_37 | AC | 83 ms
10,876 KB |
testcase_38 | AC | 82 ms
11,072 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 4 ms
6,940 KB |
testcase_41 | AC | 2 ms
6,944 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 3 ms
6,944 KB |
testcase_44 | AC | 5 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 4 ms
6,944 KB |
testcase_47 | AC | 31 ms
6,944 KB |
testcase_48 | AC | 31 ms
6,940 KB |
testcase_49 | AC | 32 ms
6,944 KB |
testcase_50 | AC | 31 ms
6,940 KB |
testcase_51 | AC | 28 ms
6,940 KB |
testcase_52 | AC | 21 ms
6,940 KB |
testcase_53 | AC | 28 ms
6,940 KB |
testcase_54 | AC | 4 ms
6,940 KB |
testcase_55 | AC | 1 ms
6,944 KB |
testcase_56 | AC | 1 ms
6,940 KB |
testcase_57 | AC | 1 ms
6,940 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.complex, std.container, std.math, 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)); } void main() { try { for (; ; ) { const N = readInt(); auto A = new int[N]; foreach (i; 0 .. N) { A[i] = readInt(); } const xs = A.dup.sort.uniq.array; const asLen = cast(int)(xs.length); int V; int[] l, r; int[] sum; int node() { l ~= 0; r ~= 0; sum ~= 0; return V++; } int segN; for (segN = 1; segN < asLen; segN <<= 1) {} auto seg = iota(segN << 1).array; V = segN << 1; l = new int[V]; r = new int[V]; sum = new int[V]; foreach_reverse (a; 1 .. segN) { l[a] = a << 1; r[a] = a << 1 | 1; } // persistent auto roots = new int[N + 1]; roots[0] = 0; foreach (i; 0 .. N) { // insert A[i] int a = xs.lowerBound(A[i]); a += segN; const old = seg[a]; seg[a] = node(); sum[seg[a]] = sum[old] + 1; for (; a >>= 1; ) { seg[a] = node(); l[seg[a]] = seg[a << 1]; r[seg[a]] = seg[a << 1 | 1]; sum[seg[a]] = sum[l[seg[a]]] + sum[r[seg[a]]]; } roots[i + 1] = seg[1]; } debug { writeln("l = ", l); writeln("r = ", r); writeln("sum = ", sum); writeln("roots = ", roots); } int getMedian(int i, int j) { // min x s.t. # (< x) >= (j - i + 1) / 2 int u = roots[i], v = roots[j]; int pos; int s; for (int w = segN; w >>= 1; ) { if (s + (sum[l[v]] - sum[l[u]]) >= (j - i + 1) / 2) { u = l[u]; v = l[v]; } else { pos += w; s += (sum[l[v]] - sum[l[u]]); u = r[u]; v = r[v]; } } debug { writefln("median [%s, %s) = xs[%s]", i, j, pos); } return xs[pos]; } long ans; foreach (k; 1 .. N + 1) { auto ls = new long[N / k + 1]; foreach (e; 0 .. N / k) { ls[e + 1] = ls[e] + getMedian(k * e, k * (e + 1)); } auto rs = new long[N / k + 1]; foreach (e; 0 .. N / k) { rs[e + 1] = rs[e] + getMedian(N - k * (e + 1), N - k * e); } debug { writeln("k = ", k); writeln(" ls = ", ls); writeln(" rs = ", rs); } foreach (e; 0 .. N / k) { chmax(ls[e + 1], ls[e]); } long mx; foreach (e; 0 .. N / k + 1) { chmax(mx, ls[N / k - e] + rs[e]); } debug { writeln(" mx = ", mx); } chmax(ans, k * mx); } writeln(ans); } } catch (EOFException e) { } }