結果

問題 No.1700 floor X
ユーザー yakamotoyakamoto
提出日時 2021-10-08 21:55:50
言語 Kotlin
(1.9.23)
結果
AC  
実行時間 416 ms / 2,000 ms
コード長 3,564 bytes
コンパイル時間 17,666 ms
コンパイル使用メモリ 459,608 KB
実行使用メモリ 56,776 KB
最終ジャッジ日時 2024-07-03 10:25:09
合計ジャッジ時間 33,442 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
このコードへのチャレンジ
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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 268 ms
50,116 KB
testcase_01 AC 391 ms
52,500 KB
testcase_02 AC 389 ms
52,352 KB
testcase_03 AC 393 ms
52,352 KB
testcase_04 AC 394 ms
52,528 KB
testcase_05 AC 395 ms
52,736 KB
testcase_06 AC 405 ms
52,416 KB
testcase_07 AC 391 ms
52,356 KB
testcase_08 AC 387 ms
52,064 KB
testcase_09 AC 386 ms
52,396 KB
testcase_10 AC 391 ms
51,948 KB
testcase_11 AC 398 ms
52,328 KB
testcase_12 AC 397 ms
52,480 KB
testcase_13 AC 397 ms
52,364 KB
testcase_14 AC 398 ms
52,288 KB
testcase_15 AC 389 ms
52,104 KB
testcase_16 AC 404 ms
52,404 KB
testcase_17 AC 397 ms
52,104 KB
testcase_18 AC 404 ms
52,360 KB
testcase_19 AC 392 ms
52,148 KB
testcase_20 AC 390 ms
52,464 KB
testcase_21 AC 411 ms
55,968 KB
testcase_22 AC 411 ms
56,160 KB
testcase_23 AC 416 ms
56,288 KB
testcase_24 AC 406 ms
56,076 KB
testcase_25 AC 408 ms
56,716 KB
testcase_26 AC 400 ms
56,336 KB
testcase_27 AC 397 ms
55,728 KB
testcase_28 AC 414 ms
56,436 KB
testcase_29 AC 411 ms
56,312 KB
testcase_30 AC 408 ms
55,856 KB
testcase_31 AC 408 ms
56,188 KB
testcase_32 AC 394 ms
56,184 KB
testcase_33 AC 401 ms
55,800 KB
testcase_34 AC 403 ms
56,340 KB
testcase_35 AC 402 ms
55,848 KB
testcase_36 AC 408 ms
56,220 KB
testcase_37 AC 408 ms
56,320 KB
testcase_38 AC 414 ms
55,908 KB
testcase_39 AC 405 ms
56,556 KB
testcase_40 AC 411 ms
56,228 KB
testcase_41 AC 407 ms
56,776 KB
testcase_42 AC 267 ms
50,000 KB
testcase_43 AC 405 ms
56,384 KB
testcase_44 AC 402 ms
56,092 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
Main.kt:134:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: LongArray) {
          ^
Main.kt:138:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: IntArray) {
          ^
Main.kt:142:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: BooleanArray) {
          ^
Main.kt:146:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
          ^
Main.kt:148:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<LongArray>) {
          ^
Main.kt:155:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<IntArray>) {
          ^
Main.kt:162:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<BooleanArray>) {
          ^
Main.kt:179:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
          ^

ソースコード

diff # 

import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.lang.AssertionError
import java.util.*
import kotlin.collections.HashMap
import kotlin.math.abs
import kotlin.math.max
import kotlin.math.min
import kotlin.math.sqrt

val MOD = 1_000_000_007

/**
 * 単調増加
 * (l, h] 方式
 * @return マッチするものがなかったらmx
 */
inline fun findMin(mn: Long, mx: Long, f: (Long) -> Boolean): Long {
  var low = mn - 1
  var high = mx
  while(high - low > 1) {
    val m = (low + high) / 2
    if (f(m)) high = m
    else low = m
  }
  return high
}

class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)

  fun solve() {
    for (t in 0 until ni()) {
      val N = nl()
      val x = findMin(1, sqrt(N.toDouble()).toLong() + 100) { x ->
        x*x >= N
      }
      val ans = if (x*x == N) x else x - 1
      out.println(ans)
    }
  }













































  private val isDebug = try {
    // なんか本番でエラーでる
    System.getenv("MY_DEBUG") != null
  } catch (t: Throwable) {
    false
  }

  private var tokenizer: StringTokenizer? = null
  private fun next(): String {
    while (tokenizer == null || !tokenizer!!.hasMoreTokens()) {
      tokenizer = StringTokenizer(reader.readLine())
    }
    return tokenizer!!.nextToken()
  }

  private fun ni() = next().toInt()
  private fun nl() = next().toLong()
  private fun ns() = next()
  private fun na(n: Int, offset: Int = 0): IntArray {
    return IntArray(n) { ni() + offset }
  }
  private fun nal(n: Int, offset: Int = 0): LongArray {
    val res = LongArray(n)
    for (i in 0 until n) {
      res[i] = nl() + offset
    }
    return res
  }

  private fun na2(n: Int, offset: Int = 0): Array<IntArray> {
    val a  = Array(2){IntArray(n)}
    for (i in 0 until n) {
      for (e in a) {
        e[i] = ni() + offset
      }
    }
    return a
  }

  private inline fun debug(msg: () -> String) {
    if (isDebug) System.err.println(msg())
  }

  /**
   * コーナーケースでエラー出たりするので、debug(dp[1])のように添え字付きの場合はdebug{}をつかうこと
   */
  private inline fun debug(a: LongArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: IntArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: BooleanArray) {
    debug { toString(a) }
  }

  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}

  private inline fun debugDim(A: Array<LongArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<IntArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<BooleanArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }

  /**
   * 勝手にimport消されるのを防ぎたい
   */
  private fun hoge() {
    min(1, 2)
    max(1, 2)
    abs(-10)
  }

  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
  private inline fun assert(b: Boolean, f: () -> String) = run{if (!b) throw AssertionError(f())}

  companion object {
    // TestRunnerから呼びたいので単純なmainじゃだめ
    fun main() {
      val out = java.io.PrintWriter(System.out)
      Solver(System.`in`, out).solve()
      out.flush()
    }
  }
}

/**
 * judgeから呼ばれる
 */
fun main() = Solver.main()
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