結果
問題 |
No.910 素数部分列
|
ユーザー |
|
提出日時 | 2021-06-08 19:58:54 |
言語 | Nim (2.2.0) |
結果 |
AC
|
実行時間 | 7 ms / 1,000 ms |
コード長 | 1,194 bytes |
コンパイル時間 | 5,202 ms |
コンパイル使用メモリ | 85,888 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-11-27 02:44:56 |
合計ジャッジ時間 | 6,848 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 50 |
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(1, 25) Warning: imported and not used: 'sequtils' [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] /home/judge/data/code/Main.nim(2, 18) Warning: imported and not used: 'future' [UnusedImport]
ソースコード
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() s = read() one = 0 three = s.count('3') five = s.count('5') seven = s.count('7') nine = 0 # 3,5,7:他と組み合わせて除去して得になる瞬間がないので単体で除去する # 11:素数 # 19:素数 # 9は # 91:7の倍数 # 911..:素数かもしれないけど11を除去するのでいい # 991:素数。 for c in s: if c == '1': one+=1 if c == '9': nine+=1 if one>0: one-=1 nine-=1 result+=1 while nine>=2 and one > 0: result+=1 nine-=2 one-=1 return result+three+five+seven+one.div(2) echo solve()