結果
問題 | No.1804 Intersection of LIS |
ユーザー |
👑 |
提出日時 | 2022-01-15 19:42:13 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 245 ms / 2,000 ms |
コード長 | 2,599 bytes |
コンパイル時間 | 931 ms |
コンパイル使用メモリ | 122,060 KB |
実行使用メモリ | 22,780 KB |
最終ジャッジ日時 | 2024-06-22 14:04:21 |
合計ジャッジ時間 | 5,721 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 37 |
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 P = new int[N];foreach (i; 0 .. N) {P[i] = readInt;}auto ls = new int[N];auto rs = new int[N];{int[] lis;foreach (i; 0 .. N) {const pos = lis.lowerBound(P[i]);ls[i] = pos + 1;if (pos == lis.length) {lis ~= P[i];} else {lis[pos] = P[i];}}}{int[] lis;foreach_reverse (i; 0 .. N) {const pos = lis.lowerBound(-P[i]);rs[i] = pos + 1;if (pos == lis.length) {lis ~= -P[i];} else {lis[pos] = -P[i];}}}const L = ls.maxElement;auto mns = new int[L];auto mxs = new int[L];mns[] = N;mxs[] = -1;foreach (i; 0 .. N) {if (ls[i] + rs[i] - 1 == L) {chmin(mns[ls[i] - 1], i);chmax(mxs[ls[i] - 1], i);}}debug {writeln("mns = ", mns);writeln("mxs = ", mxs);}int[] ans;foreach (j; 0 .. L) {if (mns[j] == mxs[j]) {ans ~= j;}}writeln(ans.length);foreach (index, j; ans) {if (index) write(" ");write(P[mns[j]]);}writeln;}} catch (EOFException e) {}}