結果

問題 No.1251 絶対に間違ってはいけない最小化問題
ユーザー dot_haraai
提出日時 2021-03-21 14:32:10
言語 Nim
(2.2.0)
結果
AC  
実行時間 116 ms / 2,000 ms
コード長 1,361 bytes
コンパイル時間 4,900 ms
コンパイル使用メモリ 86,476 KB
実行使用メモリ 11,776 KB
最終ジャッジ日時 2024-11-22 07:14:08
合計ジャッジ時間 17,950 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
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 * 42
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#,bigints
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()
    a = newseqwith(n,scan())
    b = newseqwith(n,scan())



  proc eval(x:int):int=
    result = 0#initBigint(0)
    for i in 0..<n:
      result+=(b[i]*abs(a[i]-x))#.initBigInt()
      
  
  proc fibSearch(lo:int,hi:int):int=
    var
      fib = newseqwith(2,1)
      hi=hi
      lo=lo
      m = 0
    #echo lo,", ", hi
    fib[0]=0
    while fib[fib.len-1] < hi-lo+1:
      fib.add(fib[fib.len-1]+fib[fib.len-2])
    m = fib.len-1
    #echo "m:",m
    while m>=2:
      var
        x1 = lo+fib[m-2]
        x2 = lo+fib[m-1]
        y1 = eval(x1)
        y2 = eval(x2)
      #echo fmt"{lo}, {x1}({x1-lo}), {x2}({x2-lo}), {fib[m]}"
      if y1>=y2:
        lo=lo+fib[m-2]
      
      m -= 1
    return lo
  

  var t= fibSearch(-(10^6),10^6)
  echo t, " ", eval(t)

  return 

solve()
0