結果

問題 No.1200 お菓子配り-3
ユーザー yakamoto
提出日時 2020-08-28 23:01:08
言語 Kotlin
(2.1.0)
結果
WA  
(最新)
AC  
(最初)
実行時間 -
コード長 3,401 bytes
コンパイル時間 18,576 ms
コンパイル使用メモリ 463,368 KB
実行使用メモリ 77,664 KB
最終ジャッジ日時 2024-11-14 16:42:02
合計ジャッジ時間 36,512 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 29 WA * 2
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:151:11: 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:155:11: 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:159:11: 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:163:11: 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:170:11: 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:187:11: 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 #
プレゼンテーションモードにする

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
fun divisors(x: Int): MutableList<Int> {
  val res = mutableListOf<Int>()
  var d = 1
  while (d * d <= x) {
    if (x % d == 0) {
      if (d > 0) res += d
      if (d * d != x) res += x / d
    }
    ++d
  }
  return res
}
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)
  fun solve() {
    for (i in 0 until ni()) {
      var x = nl()
      var y = nl()
      if (x < y) {
        val t = x
        x = y
        y = t
      }
      var ans = 0
      for (d in divisors((x - y).toInt())) {
        val a = (d + 1).toLong()
//        if (A.contains(a)) {
//          debug{"$a"}
          val plus = (x + y) / (a + 1)
          val minus = (x - y) / (a - 1)
          val bb = plus + minus
          if (bb <= 0 || bb and 1 == 1L) continue
          val b = bb shr 1
          val c = plus - b
          if (a <= 0 || b <= 0 || c <= 0) continue
          if (a * b + c == x && a * c + b == y) ans++
//        }
      }
      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 map(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 map(n: Int, f: (Int) -> Int): IntArray {
    val res = IntArray(n)
    for (i in 0 until n) {
      res[i] = f(i)
    }
    return res
  }
  private inline fun debug(msg: () -> String) {
    if (isDebug) System.err.println(msg())
  }
  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 { 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)
      }
    }
  }
  /**
   * 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()}
}
fun main() {
  val out = java.io.PrintWriter(System.out)
  Solver(System.`in`, out).solve()
  out.flush()
}
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