結果

問題 No.1382 Travel in Mitaru city
コンテスト
ユーザー dot_haraai
提出日時 2021-06-13 20:28:28
言語 Nim
(2.2.0)
結果
WA  
実行時間 -
コード長 1,402 bytes
コンパイル時間 5,368 ms
コンパイル使用メモリ 87,552 KB
実行使用メモリ 13,056 KB
最終ジャッジ日時 2024-12-23 10:10:38
合計ジャッジ時間 15,304 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge1
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
sample AC * 3
other AC * 30 WA * 38
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, 37) Warning: imported and not used: 'deques' [UnusedImport]
/home/judge/data/code/Main.nim(2, 26) Warning: imported and not used: 'strformat' [UnusedImport]
/home/judge/data/code/Main.nim(2, 44) Warning: imported and not used: 'heapqueue' [UnusedImport]
/home/judge/data/code/Main.nim(2, 18) Warning: imported and not used: 'future' [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,heapqueue
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()=
  var
    n = scan()
    m = scan()
    s = scan()-1
    t = scan()-1
    p = newseq[(int,int)]()
    popularity = newseqwith(n,0)
    es = newseqwith(n,newseq[int]())
    rts = newseqwith(n,0)
  for i in 0..<n:
    var
      v = scan()
    p.add((v,i))
    popularity[i]=v
    rts[i]=i
  p.sort(SortOrder.Descending)
  for i in 0..<m:
    var
      u = scan()-1
      v = scan()-1
    es[u].add(v)
    es[v].add(u)
  

  proc find(x:int):int=
    if rts[x]==x:
      return x
    else:
      rts[x]=find(rts[x])
      return rts[x]
  
  proc unite(x,y:int)=
    var
      rtx = find(x)
      rty = find(y)
    if rtx!=rty:
      rts[rty]=rtx
  var
    point = popularity[s]
    y = 0
  

  for (pv,v) in p:
    for nxt in es[v]:
      if popularity[nxt] > pv:
        unite(nxt,v)
    if point > pv:
      y+=1
      point = pv
  echo y
  
solve()
0