結果
問題 | No.972 選び方のスコア |
ユーザー | 👑 hos.lyric |
提出日時 | 2020-01-17 22:03:19 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 101 ms / 2,000 ms |
コード長 | 2,565 bytes |
コンパイル時間 | 910 ms |
コンパイル使用メモリ | 125,780 KB |
実行使用メモリ | 13,516 KB |
最終ジャッジ日時 | 2024-06-22 04:14:04 |
合計ジャッジ時間 | 4,527 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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 | 100 ms
12,468 KB |
testcase_01 | AC | 101 ms
12,480 KB |
testcase_02 | AC | 96 ms
12,456 KB |
testcase_03 | AC | 48 ms
6,944 KB |
testcase_04 | AC | 96 ms
12,288 KB |
testcase_05 | AC | 99 ms
13,080 KB |
testcase_06 | AC | 97 ms
12,576 KB |
testcase_07 | AC | 76 ms
12,364 KB |
testcase_08 | AC | 65 ms
12,720 KB |
testcase_09 | AC | 62 ms
12,764 KB |
testcase_10 | AC | 63 ms
11,852 KB |
testcase_11 | AC | 65 ms
12,584 KB |
testcase_12 | AC | 67 ms
12,456 KB |
testcase_13 | AC | 66 ms
12,308 KB |
testcase_14 | AC | 68 ms
12,560 KB |
testcase_15 | AC | 78 ms
13,516 KB |
testcase_16 | AC | 77 ms
12,152 KB |
testcase_17 | AC | 77 ms
12,200 KB |
testcase_18 | AC | 1 ms
6,940 KB |
testcase_19 | AC | 98 ms
11,660 KB |
testcase_20 | AC | 98 ms
11,556 KB |
testcase_21 | AC | 98 ms
11,828 KB |
testcase_22 | AC | 94 ms
12,080 KB |
testcase_23 | AC | 96 ms
12,812 KB |
testcase_24 | AC | 96 ms
11,672 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 1 ms
6,940 KB |
testcase_27 | AC | 1 ms
6,944 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,940 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 1 ms
6,944 KB |
testcase_33 | AC | 1 ms
6,944 KB |
testcase_34 | 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.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)); } void main() { try { for (; ; ) { const N = readInt(); auto A = new long[N]; foreach (i; 0 .. N) { A[i] = readLong(); } A.sort; auto ASum = new long[N + 1]; foreach (i; 0 .. N) { ASum[i + 1] = ASum[i] + A[i]; } long ans; foreach (i; 0 .. N) { // median: A[i] int lo = 0, hi = min(i, N - 1 - i) + 1; for (; lo + 1 < hi; ) { const mid = (lo + hi) / 2; ((A[N - mid] + A[i - mid] >= 2 * A[i]) ? lo : hi) = mid; } long score; score += (ASum[i] - ASum[i - lo]); score += (ASum[N] - ASum[N - lo]); score -= 2 * lo * A[i]; debug { writeln(i, ": ", hi, " ", score); } chmax(ans, score); } foreach (i; 0 .. N - 1) { // median: (A[i] + A[i + 1]) / 2 int lo = 0, hi = min(i, N - 2 - i) + 1; for (; lo + 1 < hi; ) { const mid = (lo + hi) / 2; ((A[N - mid] + A[i - mid] >= 2 * A[i]) ? lo : hi) = mid; } long score; score += (ASum[i] - ASum[i - lo]); score += (ASum[N] - ASum[N - lo]); score -= lo * (A[i] + A[i + 1]); debug { writeln(i, " ", i + 1, ": ", lo, " ", score); } chmax(ans, score); } writeln(ans); } } catch (EOFException e) { } }