結果

問題 No.458 異なる素数の和
ユーザー dot_haraaidot_haraai
提出日時 2021-03-20 00:41:18
言語 Nim
(2.0.2)
結果
WA  
実行時間 -
コード長 1,370 bytes
コンパイル時間 4,147 ms
コンパイル使用メモリ 91,824 KB
実行使用メモリ 365,288 KB
最終ジャッジ日時 2024-04-29 20:33:44
合計ジャッジ時間 20,622 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge2
このコードへのチャレンジ
（要ログイン）

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 460 ms
365,056 KB
testcase_01 AC 460 ms
365,056 KB
testcase_02 AC 467 ms
365,056 KB
testcase_03 AC 460 ms
365,008 KB
testcase_04 AC 457 ms
365,124 KB
testcase_05 AC 460 ms
365,056 KB
testcase_06 AC 468 ms
365,056 KB
testcase_07 AC 460 ms
365,056 KB
testcase_08 WA -
testcase_09 AC 466 ms
365,056 KB
testcase_10 AC 467 ms
365,056 KB
testcase_11 AC 455 ms
365,056 KB
testcase_12 AC 466 ms
365,056 KB
testcase_13 WA -
testcase_14 AC 462 ms
365,056 KB
testcase_15 AC 557 ms
365,056 KB
testcase_16 AC 533 ms
365,184 KB
testcase_17 AC 483 ms
365,056 KB
testcase_18 AC 472 ms
365,028 KB
testcase_19 AC 475 ms
365,056 KB
testcase_20 WA -
testcase_21 AC 466 ms
365,004 KB
testcase_22 AC 479 ms
365,056 KB
testcase_23 AC 487 ms
365,084 KB
testcase_24 AC 471 ms
365,056 KB
testcase_25 AC 474 ms
365,056 KB
testcase_26 AC 470 ms
365,052 KB
testcase_27 AC 505 ms
365,056 KB
testcase_28 AC 479 ms
365,060 KB
testcase_29 AC 470 ms
365,056 KB
testcase_30 AC 460 ms
365,040 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 getIsPrimes(n:int):seq[bool]=
  result = newseqwith(n+1,true)
  var
    d = 2
  result[0]=false
  result[1]=false
  while d^2<=n:
    if result[d]:
      var m = 2
      while d*m<=n:
        result[d*m]=false
        m+=1
    d+=1
    

const maxp = 20000

const isPrime:seq[bool] = getIsPrimes(maxp)

proc getPrimes(n:seq[bool]):seq[int]=
  for i in 2..<n.len:
    if n[i]:
      result.add(i)


const primes = getPrimes(isPrime)


proc solve():int=
  var
    n = scan()
    mx = 20000
    dp = newseqwith(primes.len,newseqwith(mx+1,0))
  dp[0][2]=1
  for pi in 1..<len(primes):
    var p = primes[pi]
    for i in 0..mx:
      dp[pi][i].max=dp[pi-1][i]
      if i-p>=0 and dp[pi-1][i-p]>0:
        dp[pi][i].max=dp[pi-1][i-p]+1
  if dp[primes.len-1][n]==0:
    return -1
  else:
    return dp[primes.len-1][n]


  

  
echo solve()
0