結果

問題 No.553 AlphaCoder Rating
ユーザー dot_haraaidot_haraai
提出日時 2021-06-19 14:31:23
言語 Nim
(2.0.2)
結果
AC  
実行時間 2 ms / 1,500 ms
コード長 1,107 bytes
コンパイル時間 6,706 ms
コンパイル使用メモリ 74,388 KB
実行使用メモリ 4,384 KB
最終ジャッジ日時 2023-09-05 00:51:13
合計ジャッジ時間 8,006 ms
ジャッジサーバーID
(参考情報)
judge12 / judge14
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 2 ms
4,380 KB
testcase_01 AC 2 ms
4,384 KB
testcase_02 AC 2 ms
4,380 KB
testcase_03 AC 2 ms
4,380 KB
testcase_04 AC 2 ms
4,380 KB
testcase_05 AC 2 ms
4,380 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,380 KB
testcase_08 AC 2 ms
4,376 KB
testcase_09 AC 2 ms
4,376 KB
testcase_10 AC 2 ms
4,376 KB
testcase_11 AC 2 ms
4,384 KB
testcase_12 AC 2 ms
4,376 KB
testcase_13 AC 2 ms
4,376 KB
testcase_14 AC 2 ms
4,380 KB
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コンパイルメッセージ
/home/judge/data/code/Main.nim(2, 18) Warning: Use the new 'sugar' module instead; future is deprecated [Deprecated]
/home/judge/data/code/Main.nim(1, 8) Warning: imported and not used: 'times' [UnusedImport]
/home/judge/data/code/Main.nim(2, 26) Warning: imported and not used: 'strformat' [UnusedImport]
/home/judge/data/code/Main.nim(2, 18) Warning: imported and not used: 'future' [UnusedImport]
/home/judge/data/code/Main.nim(2, 37) Warning: imported and not used: 'deques' [UnusedImport]
/home/judge/data/code/Main.nim(1, 41) Warning: imported and not used: 'algorithm' [UnusedImport]
/home/judge/data/code/Main.nim(1, 52) Warning: imported and not used: 'tables' [UnusedImport]
/home/judge/data/code/Main.nim(1, 60) Warning: imported and not used: 'sets' [UnusedImport]
/home/judge/data/code/Main.nim(1, 66) Warning: imported and not used: 'lists' [UnusedImport]
/home/judge/data/code/Main.nim(1, 73) Warning: imported and not used: 'intsets' [UnusedImport]
/home/judge/data/code/Main.nim(2, 8) Warning: imported and not used: 'critbits' [UnusedImport]

ソースコード

diff #

import times, strutils, sequtils, math, algorithm, tables, sets, lists, intsets
import critbits, future, strformat, deques
template `max=`(x,y) = x = max(x,y)
template `min=`(x,y) = x = min(x,y)
template `mod=`(x,y) = x = x mod y
template scan2 = (scan(), scan())
template scan3 = (scan(), scan())
let read* = iterator: string {.closure.} =
    while true: (for s in stdin.readLine.split: yield s)
proc scan(): int = read().parseInt
proc scanf(): float = read().parseFloat
proc toInt(c:char): int =
    return int(c) - int('0')


const lfinf = sqrt(0.81/0.19)/9.0

proc lf(n:int):float=
  var
    t = 0.0
    d = 0.0
  for i in 1..n:
    t+=pow(0.81,i.float)
    d+=pow(0.9,i.float)
  t = sqrt(t)

  return t/d

proc sf(n:int):float=
  return 1200.float*(lf(n)-lfinf)/(lf(1)-lfinf)

proc g(x:float):float=
  return pow(2.0,x/800)

proc ig(y:float):float=
  return 800.float*log2(y)

proc solve()=
  var
    n = scan()
    rperf = newseqwith(n,scanf())
    t = 0.0
    d = 0.0
  for i in 0..<n:
    t+=g(rperf[i])*pow(0.9,(i+1).float)
    d+=pow(0.9,(i+1).float)
  echo (-sf(n)+ig(t/d)).floor.int

  
solve()
0