結果
| 問題 |
No.489 株に挑戦
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2019-02-04 08:43:43 |
| 言語 | Nim (2.2.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,253 bytes |
| コンパイル時間 | 2,759 ms |
| コンパイル使用メモリ | 61,708 KB |
| 実行使用メモリ | 6,948 KB |
| 最終ジャッジ日時 | 2024-07-01 11:21:46 |
| 合計ジャッジ時間 | 4,549 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 WA * 1 |
| other | AC * 25 WA * 10 |
ソースコード
import sequtils,math
template times*(n:int,body) = (for _ in 0..<n: body)
template `max=`*(x,y) = x = max(x,y)
template `min=`*(x,y) = x = min(x,y)
template useSegmentTree() = # 区間[s,t)の最小(最大)値 / 更新 O(log(N))
proc minimpl[T](x,y:T): T = (if x <= y: x else: y)
proc maximpl[T](x,y:T): T = (if x >= y: x else: y)
type SegmentTree[T] = ref object
data:seq[T] # import math
n : int
rawSize:int
infinity: T
cmp:proc(x,y:T):T
proc initSegmentTree[T](
size:int,
infinity:T = T(1e10),
cmp: proc (x,y:T):T = minimpl[T]) : SegmentTree[T] =
new(result)
result.infinity = infinity
result.cmp = cmp
result.n = size.nextPowerOfTwo()
result.rawSize = size
result.data = newSeqWith(result.n * 2,result.infinity)
proc `[]=`[T](self:var SegmentTree[T],i:int,val:T) =
var i = i + self.n - 1
self.data[i] = val
while i > 0:
i = (i - 1) shr 1
self.data[i] = self.cmp(self.data[i * 2 + 1],self.data[i * 2 + 2])
proc `[]`[T](self:SegmentTree[T],slice:Slice[int]): T =
proc impl(a,b,k,l,r:int):T =
if r <= a or b <= l : return self.infinity
if a <= l and r <= b : return self.data[k]
let vl = impl(a,b,k*2+1,l,(l+r) shr 1)
let vr = impl(a,b,k*2+2,(l+r) shr 1,r)
return self.cmp(vl,vr)
return impl(slice.a,slice.b+1,0,0,self.n)
proc `$`[T](self:SegmentTree[T]): string =
var arrs : seq[seq[int]] = @[]
var l = 0
var r = 1
while r <= self.data.len:
arrs &= self.data[l..<r]
l = l * 2 + 1
r = r * 2 + 1
return $arrs
useSegmentTree()
proc getchar_unlocked():char {. importc:"getchar_unlocked",header: "<stdio.h>" .}
proc scan(): int =
while true:
let k = getchar_unlocked()
if k < '0': return
result = 10 * result + k.ord - '0'.ord
let n = scan()
let d = scan()
let k = scan()
let S = newSeqWith(n,scan())
var smax = initSegmentTree[int](n,-1e10.int,maximpl[int])
for i in 0..<n: smax[i] = S[i]
var ans = 0
var time = 0
for i in 0..<n:
if i+d >= n : break
let v = smax[i+1..i+d] - S[i]
if v <= ans : continue
ans = v
time = i
if ans <= 0 : quit "0",0
echo ans * k
stdout.write time," "
for i in time+1..<n:
if S[i] == ans + S[time] :
echo i
quit 0