結果

問題 No.1464 Number Conversion
ユーザー yakamotoyakamoto
提出日時 2021-04-02 21:47:09
言語 Kotlin
(1.9.23)
結果
AC  
実行時間 276 ms / 2,000 ms
コード長 3,239 bytes
コンパイル時間 15,405 ms
コンパイル使用メモリ 434,436 KB
実行使用メモリ 53,272 KB
最終ジャッジ日時 2023-08-25 11:58:54
合計ジャッジ時間 24,782 ms
ジャッジサーバーID
（参考情報） 		judge11 / judge12
このコードへのチャレンジ（β）

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 263 ms
52,760 KB
testcase_01 AC 273 ms
52,868 KB
testcase_02 AC 269 ms
52,880 KB
testcase_03 AC 274 ms
53,000 KB
testcase_04 AC 272 ms
52,812 KB
testcase_05 AC 274 ms
53,272 KB
testcase_06 AC 268 ms
52,996 KB
testcase_07 AC 273 ms
52,948 KB
testcase_08 AC 275 ms
52,768 KB
testcase_09 AC 268 ms
52,892 KB
testcase_10 AC 273 ms
52,768 KB
testcase_11 AC 267 ms
53,208 KB
testcase_12 AC 267 ms
52,876 KB
testcase_13 AC 272 ms
52,844 KB
testcase_14 AC 274 ms
52,948 KB
testcase_15 AC 265 ms
52,832 KB
testcase_16 AC 266 ms
52,900 KB
testcase_17 AC 268 ms
52,852 KB
testcase_18 AC 271 ms
52,860 KB
testcase_19 AC 266 ms
52,736 KB
testcase_20 AC 268 ms
52,976 KB
testcase_21 AC 271 ms
52,900 KB
testcase_22 AC 261 ms
52,892 KB
testcase_23 AC 265 ms
52,840 KB
testcase_24 AC 276 ms
52,840 KB
testcase_25 AC 267 ms
52,836 KB
testcase_26 AC 270 ms
52,892 KB
testcase_27 AC 271 ms
52,948 KB
testcase_28 AC 264 ms
52,788 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:126:11: 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:130:11: 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: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: BooleanArray) {
          ^
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 toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
          ^
Main.kt:140:11: 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:147:11: 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:154:11: 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:171:11: 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.math.abs
import kotlin.math.max
import kotlin.math.min

val MOD = 1_000_000_007
tailrec fun gcd(a: Long, b: Long): Long {
  if (b == 0L) return abs(a)
  return gcd(b, a % b)
}
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)

  fun solve() {
    val X = ns()
    val dot = X.indexOf(".")
    val (a, pow) = if (dot == -1) {
      Pair(X.toLong(), 0)
    }
    else {
      Pair(X.filterNot { it == '.' }.toLong(), (X.length - dot - 1))
    }
    debug{"$a $pow"}
    var b = 1L
    for (i in 0 until pow) {
      b *= 10
    }
    val g = gcd(a, b)
    out.println("${a/g}/${b/g}")
  }













































  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())}
}

fun main() {
  val out = java.io.PrintWriter(System.out)
  Solver(System.`in`, out).solve()
  out.flush()
}
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