結果

問題 No.1200 お菓子配り-3
ユーザー yakamotoyakamoto
提出日時 2020-08-28 22:48:34
言語 Kotlin
(1.9.23)
結果
WA  
実行時間 -
コード長 3,397 bytes
コンパイル時間 16,570 ms
コンパイル使用メモリ 456,696 KB
実行使用メモリ 79,372 KB
最終ジャッジ日時 2024-04-27 00:08:49
合計ジャッジ時間 47,170 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
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 299 ms
51,280 KB
testcase_01 AC 302 ms
51,268 KB
testcase_02 WA -
testcase_03 AC 315 ms
51,200 KB
testcase_04 WA -
testcase_05 AC 327 ms
51,384 KB
testcase_06 WA -
testcase_07 WA -
testcase_08 WA -
testcase_09 WA -
testcase_10 WA -
testcase_11 WA -
testcase_12 WA -
testcase_13 WA -
testcase_14 WA -
testcase_15 WA -
testcase_16 WA -
testcase_17 WA -
testcase_18 WA -
testcase_19 WA -
testcase_20 WA -
testcase_21 WA -
testcase_22 WA -
testcase_23 WA -
testcase_24 WA -
testcase_25 WA -
testcase_26 WA -
testcase_27 AC 303 ms
51,324 KB
testcase_28 AC 2,221 ms
66,928 KB
testcase_29 AC 2,290 ms
66,824 KB
testcase_30 AC 2,331 ms
66,988 KB
testcase_31 WA -
testcase_32 WA -
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:147:11: 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: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: IntArray) {
          ^
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: BooleanArray) {
          ^
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 debugDim(A: Array<LongArray>) {
          ^
Main.kt:166:11: 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:183:11: 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

fun divisors(x: Int, off: Int): MutableList<Int> {
  val res = mutableListOf<Int>()
  var d = 1
  while (d * d <= x) {
    if (x % d == 0) {
      if (d + off > 0) res += d + off
      if (d * d != x && x / d + off > 0) res += x / d + off
    }
    ++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()) {
      val x = ni()
      val y = ni()

      var ans = 0
      val A = divisors(x + y, -1).toSet()
      for (a in divisors(x - y, 1)) {
        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 % 2 == 1) continue
          val b = bb / 2
          val c = plus - b
          if (c <= 0) continue
          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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