結果

問題 No.1136 Four Points Tour
ユーザー dot_haraai
提出日時 2021-03-25 22:44:23
言語 Nim
(2.2.0)
結果
AC  
実行時間 162 ms / 2,000 ms
コード長 869 bytes
コンパイル時間 4,767 ms
コンパイル使用メモリ 88,412 KB
実行使用メモリ 68,652 KB
最終ジャッジ日時 2024-11-27 08:14:59
合計ジャッジ時間 8,478 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
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
other AC * 22 WA * 19
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()
    md = 10^9+7
    dp = newseqwith(10^6,newseqwith(4,0))
  if n>10^6:
    return 0
  else:
    dp[0][0]=1
  for i in 1..n:
    for t in 0..<4:
      for s in 0..<4:
        if t!=s:
          dp[i][t]+=dp[i-1][s]
      dp[i][t].mod=md
  #echo dp[0..5]
  return dp[n][0]


  
  
  
  
echo solve()
0