結果

問題 No.875 Range Mindex Query
ユーザー dot_haraaidot_haraai
提出日時 2021-05-30 13:34:56
言語 Nim
(2.0.2)
結果
AC  
実行時間 253 ms / 2,000 ms
コード長 2,213 bytes
コンパイル時間 3,329 ms
コンパイル使用メモリ 86,528 KB
実行使用メモリ 10,368 KB
最終ジャッジ日時 2024-11-08 20:48:05
合計ジャッジ時間 5,820 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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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
5,248 KB
testcase_01 AC 3 ms
5,248 KB
testcase_02 AC 3 ms
5,248 KB
testcase_03 AC 2 ms
5,248 KB
testcase_04 AC 3 ms
5,248 KB
testcase_05 AC 2 ms
5,248 KB
testcase_06 AC 2 ms
5,248 KB
testcase_07 AC 3 ms
5,248 KB
testcase_08 AC 2 ms
5,248 KB
testcase_09 AC 2 ms
5,248 KB
testcase_10 AC 3 ms
5,248 KB
testcase_11 AC 183 ms
9,984 KB
testcase_12 AC 137 ms
7,808 KB
testcase_13 AC 114 ms
9,472 KB
testcase_14 AC 112 ms
9,344 KB
testcase_15 AC 158 ms
10,112 KB
testcase_16 AC 231 ms
10,112 KB
testcase_17 AC 253 ms
10,368 KB
testcase_18 AC 235 ms
10,240 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')

type SegTree = object
  tree :seq[int]
  n:int

proc initSegTree(baseArr:seq[int]):SegTree=
  var n = baseArr.len
  var m = 1
  while m < n:
    m*=2
  result = SegTree()
  result.n = m
  result.tree = newseqwith(2*m-1,int.high.div(4))
  for i, v in baseArr:
    result.tree[m-1+i]=v
  for idx in countdown(m-2,0):
    result.tree[idx] = min(result.tree[idx*2+1],result.tree[idx*2+2])

proc get(segTree:SegTree,ql,qr:int,k:int=0,left:int=0,right:int= -1):int=
  var right=right
  if right<0:
    right = segTree.n
  #echo ql,", ", qr, ", ",left,", ", right
  if ql>=right or qr<=left:
    return int.high
  if ql <= left and right <= qr:
    return segTree.tree[k]
  var
    vl = segTree.get(ql,qr,2*k+1,left,(left+right).div(2))
    vr = segTree.get(ql,qr,2*k+2,(left+right).div(2),right)
  return min(vl,vr)

proc set(segTree:var SegTree,idx,value:int)=
  var k = segTree.n - 1 + idx
  segTree.tree[k] = value
  while k>=1:
    k = (k-1).div(2)
    if segTree.tree[k] == min(segTree.tree[2*k+1],segTree.tree[2*k+2]):
      break
    else:
      segTree.tree[k] = min(segTree.tree[2*k+1],segTree.tree[2*k+2])


proc solve()=
  var
    n = scan()
    q = scan()
    a = newseqwith(n,scan()-1)
    idx  = newseqwith(n,0)
    query = newseqwith(q,(scan(),scan()-1,scan()-1))
    segTree = initSegTree(a)
  #echo segTree
  for i in 0..<n:
    idx[a[i]] = i
  for (t,l,r) in query:
    if t == 1:
      var vl = a[l]
      var vr = a[r]
      segTree.set(l,vr)
      segTree.set(r,vl)
      
      (idx[a[l]],idx[a[r]]) = (idx[a[r]],idx[a[l]])
      (a[l],a[r]) = (a[r],a[l])
    else:
      var m = segTree.get(l,r+1)
      #echo "query 2, m = ", m
      echo idx[m]+1


  

 
  
solve()
0