結果
問題 | No.2735 Demarcation |
ユーザー |
👑 |
提出日時 | 2024-04-19 21:39:18 |
言語 | D (dmd 2.109.1) |
結果 |
AC
|
実行時間 | 1,492 ms / 1,500 ms |
コード長 | 2,784 bytes |
コンパイル時間 | 3,469 ms |
コンパイル使用メモリ | 117,376 KB |
実行使用メモリ | 47,700 KB |
最終ジャッジ日時 | 2024-10-11 14:24:45 |
合計ジャッジ時間 | 20,883 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge4 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 28 |
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; }string COLOR(string s = "") { return "\x1b[" ~ s ~ "m"; }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 X = new int[N];foreach (i; 0 .. N) {X[i] = readInt;}const Q = readInt;auto fs = new int[N];foreach (i; 0 .. N - 1) {fs[i + 1] = fs[i] + ((X[i] == X[i + 1]) ? 1 : 0);}auto freq = new int[N + 1];foreach (q; 0 .. Q) {const L = readInt - 1;const R = readInt;const S = readLong;const n = R - L;long calc(long k) {auto dp = new long[n + 1];dp[0] += 1;foreach (i; 0 .. n) {int now = 0;foreach (j; i .. n) {if (!freq[X[L + j]]++) ++now;if (now <= k) chmin(dp[j + 1] += dp[i], S + 1);}foreach (j; i .. n) {--freq[X[L + j]];}}debug {writefln("calc %s %s: %s", X[L .. R], k, dp);}return dp[n];}int ans;if (n-1 <= 60 && 1L << (n-1) <= S) {ans = -1;} else if (fs[R-1]-fs[L] <= 60 && 1L << (fs[R-1]-fs[L]) <= S) {if (n <= 100) {int lo = 1, hi = n + 1;for (; lo + 1 < hi; ) {const mid = (lo + hi) / 2;((calc(mid) <= S) ? lo : hi) = mid;}ans = lo;} else {// fib > Sans = 1;}} else {ans = 0;}writeln(ans);}}} catch (EOFException e) {}}