結果
問題 | No.2029 Swap Min Max Min |
ユーザー | 👑 hos.lyric |
提出日時 | 2022-08-05 22:30:53 |
言語 | D (dmd 2.106.1) |
結果 |
AC
|
実行時間 | 47 ms / 2,000 ms |
コード長 | 3,158 bytes |
コンパイル時間 | 964 ms |
コンパイル使用メモリ | 121,072 KB |
実行使用メモリ | 13,576 KB |
最終ジャッジ日時 | 2024-06-22 15:58:33 |
合計ジャッジ時間 | 3,352 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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 24 ms
6,944 KB |
testcase_04 | AC | 7 ms
6,940 KB |
testcase_05 | AC | 13 ms
6,940 KB |
testcase_06 | AC | 27 ms
8,616 KB |
testcase_07 | AC | 26 ms
7,128 KB |
testcase_08 | AC | 38 ms
13,096 KB |
testcase_09 | AC | 10 ms
6,940 KB |
testcase_10 | AC | 9 ms
6,944 KB |
testcase_11 | AC | 14 ms
6,940 KB |
testcase_12 | AC | 17 ms
6,944 KB |
testcase_13 | AC | 41 ms
13,576 KB |
testcase_14 | AC | 42 ms
12,724 KB |
testcase_15 | AC | 43 ms
12,680 KB |
testcase_16 | AC | 43 ms
12,820 KB |
testcase_17 | AC | 40 ms
13,104 KB |
testcase_18 | AC | 47 ms
13,552 KB |
testcase_19 | AC | 42 ms
12,820 KB |
testcase_20 | AC | 45 ms
13,528 KB |
testcase_21 | AC | 43 ms
12,868 KB |
testcase_22 | AC | 39 ms
12,504 KB |
testcase_23 | AC | 39 ms
12,724 KB |
testcase_24 | AC | 39 ms
12,740 KB |
testcase_25 | AC | 38 ms
12,800 KB |
testcase_26 | AC | 42 ms
13,432 KB |
testcase_27 | AC | 1 ms
6,940 KB |
testcase_28 | AC | 1 ms
6,940 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 1 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,940 KB |
testcase_32 | AC | 1 ms
6,940 KB |
testcase_33 | AC | 1 ms
6,944 KB |
testcase_34 | AC | 1 ms
6,944 KB |
testcase_35 | AC | 1 ms
6,944 KB |
testcase_36 | AC | 1 ms
6,944 KB |
testcase_37 | AC | 1 ms
6,940 KB |
testcase_38 | AC | 37 ms
12,544 KB |
testcase_39 | AC | 39 ms
12,116 KB |
testcase_40 | AC | 36 ms
12,448 KB |
testcase_41 | AC | 39 ms
12,248 KB |
testcase_42 | AC | 37 ms
12,412 KB |
testcase_43 | AC | 37 ms
12,196 KB |
testcase_44 | AC | 39 ms
12,940 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() { /* debug { foreach (n; 1 .. 10 + 1) { int mn = int.max; int[][] pmss; auto ps = iota(n).array; do { int mx; foreach (i; 0 .. n - 1) { chmax(mx, min(ps[i], ps[i + 1])); } if (chmin(mn, mx)) { pmss = []; } if (mn == mx) { pmss ~= ps.dup; } } while (ps.nextPermutation); stderr.writeln(n, ": ", mn, " ", pmss.length); stderr.flush; // foreach (pms; pmss) { // writeln(pms); // } // stdout.flush; } return; } //*/ try { for (; ; ) { const N = readInt; auto A = new int[N]; foreach (i; 0 .. N) { A[i] = readInt - 1; } const thr = (N - 2) / 2; int[] smalls, larges; foreach (i; 0 .. N) { if (A[i] <= thr) { smalls ~= i; } else { larges ~= i; } } long ans = long.max; if (N % 2 != 0) { int[] bs; foreach (j; 0 .. N / 2) { bs ~= larges[j]; bs ~= smalls[j]; } bs ~= larges[N / 2]; long cost; foreach (i; 0 .. N) { cost += abs(bs[i] - i); } chmin(ans, cost); } else { int[] bs; foreach (j; 0 .. N / 2) { bs ~= larges[j]; bs ~= smalls[j]; } long cost; foreach (i; 0 .. N) { cost += abs(bs[i] - i); } chmin(ans, cost); foreach_reverse (j; 0 .. N / 2) { cost -= abs(bs[2 * j + 0] - (2 * j + 0)); cost -= abs(bs[2 * j + 1] - (2 * j + 1)); swap(bs[2 * j + 0], bs[2 * j + 1]); cost += abs(bs[2 * j + 0] - (2 * j + 0)); cost += abs(bs[2 * j + 1] - (2 * j + 1)); chmin(ans, cost); } } assert(ans % 2 == 0); ans /= 2; writeln(thr + 1, " ", ans); } } catch (EOFException e) { } }