結果

問題 No.852 連続部分文字列
ユーザー dot_haraaidot_haraai
提出日時 2021-03-10 20:18:02
言語 Nim
(2.0.2)
結果
AC  
実行時間 21 ms / 3,153 ms
コード長 837 bytes
コンパイル時間 4,553 ms
コンパイル使用メモリ 87,816 KB
実行使用メモリ 15,764 KB
最終ジャッジ日時 2024-10-12 10:25:58
合計ジャッジ時間 7,557 ms
ジャッジサーバーID
(参考情報)
judge1 / 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 1 ms
6,816 KB
testcase_01 AC 2 ms
6,816 KB
testcase_02 AC 2 ms
6,820 KB
testcase_03 AC 2 ms
6,816 KB
testcase_04 AC 2 ms
6,820 KB
testcase_05 AC 1 ms
6,816 KB
testcase_06 AC 1 ms
6,816 KB
testcase_07 AC 1 ms
6,824 KB
testcase_08 AC 2 ms
6,816 KB
testcase_09 AC 2 ms
6,820 KB
testcase_10 AC 2 ms
6,816 KB
testcase_11 AC 1 ms
6,816 KB
testcase_12 AC 2 ms
6,816 KB
testcase_13 AC 2 ms
6,820 KB
testcase_14 AC 2 ms
6,820 KB
testcase_15 AC 2 ms
6,816 KB
testcase_16 AC 2 ms
6,820 KB
testcase_17 AC 2 ms
6,820 KB
testcase_18 AC 2 ms
6,820 KB
testcase_19 AC 1 ms
6,816 KB
testcase_20 AC 2 ms
6,820 KB
testcase_21 AC 3 ms
6,816 KB
testcase_22 AC 2 ms
6,816 KB
testcase_23 AC 2 ms
6,816 KB
testcase_24 AC 2 ms
6,816 KB
testcase_25 AC 2 ms
6,816 KB
testcase_26 AC 2 ms
6,816 KB
testcase_27 AC 2 ms
6,816 KB
testcase_28 AC 2 ms
6,820 KB
testcase_29 AC 2 ms
6,820 KB
testcase_30 AC 2 ms
6,820 KB
testcase_31 AC 3 ms
6,816 KB
testcase_32 AC 2 ms
6,820 KB
testcase_33 AC 21 ms
15,764 KB
testcase_34 AC 21 ms
15,660 KB
testcase_35 AC 21 ms
15,740 KB
testcase_36 AC 21 ms
15,724 KB
testcase_37 AC 20 ms
15,736 KB
testcase_38 AC 21 ms
15,504 KB
testcase_39 AC 21 ms
15,564 KB
testcase_40 AC 21 ms
15,444 KB
testcase_41 AC 21 ms
15,672 KB
testcase_42 AC 21 ms
15,592 KB
testcase_43 AC 21 ms
15,664 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():float=
  var
    s = read()
    n = s.len
    dp = newseqwith(n,0)
    occ = newseqwith(26,-1)
  dp[0]=1
  occ[s[0].ord-'a'.ord]=0
  for i in 1..<n:
    dp[i]=dp[i-1] + i - occ[s[i].ord-'a'.ord]
    occ[s[i].ord-'a'.ord]=i
  return 2.0*sum(dp).toFloat/(n.float*(n+1).float)




  
echo solve()
0