結果

問題 No.921 ずんだアロー
ユーザー dot_haraaidot_haraai
提出日時 2021-03-09 22:09:16
言語 Nim
(2.0.2)
結果
AC  
実行時間 28 ms / 2,000 ms
コード長 1,078 bytes
コンパイル時間 3,708 ms
コンパイル使用メモリ 75,168 KB
実行使用メモリ 11,224 KB
最終ジャッジ日時 2023-08-01 21:14:26
合計ジャッジ時間 5,378 ms
ジャッジサーバーID
(参考情報)
judge12 / judge11
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 2 ms
4,380 KB
testcase_01 AC 2 ms
4,376 KB
testcase_02 AC 2 ms
4,376 KB
testcase_03 AC 1 ms
4,380 KB
testcase_04 AC 2 ms
4,380 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 2 ms
4,380 KB
testcase_07 AC 2 ms
4,376 KB
testcase_08 AC 2 ms
4,376 KB
testcase_09 AC 2 ms
4,376 KB
testcase_10 AC 26 ms
10,540 KB
testcase_11 AC 26 ms
10,920 KB
testcase_12 AC 7 ms
4,760 KB
testcase_13 AC 21 ms
9,088 KB
testcase_14 AC 22 ms
9,632 KB
testcase_15 AC 13 ms
6,828 KB
testcase_16 AC 3 ms
4,380 KB
testcase_17 AC 24 ms
9,860 KB
testcase_18 AC 26 ms
11,208 KB
testcase_19 AC 28 ms
11,192 KB
testcase_20 AC 27 ms
11,220 KB
testcase_21 AC 27 ms
11,224 KB
testcase_22 AC 26 ms
11,204 KB
testcase_23 AC 27 ms
11,200 KB
testcase_24 AC 27 ms
11,116 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
/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')



proc solve():int=
  var
    n = scan()
    a = newseqwith(n,scan())
    dp = newseqwith(n,newseqwith(2,0))
    cont = newseqwith(n,0)
  dp[0][1]=1
  dp[0][0] = 0
  cont[0]=1
  for i in 1..<n:
    dp[i][0]=max(dp[i-1])
    if a[i]==a[i-1]:
      dp[i][1]=max(dp[i-1][1]+1, dp[i-1][0]+1)
      cont[i]=cont[i-1]+1
    elif a[i]>a[i-1]:
      cont[i]=1
      dp[i][1]=max(dp[i-1][1]+1-cont[i-1],dp[i-1][0]+1)
    elif a[i]<a[i-1]:
      dp[i][1]=max(dp[i-1][1],dp[i-1][0]+1)
      cont[i]=1
  #echo dp.join("\n")
  return dp[n-1].max




echo solve()
0