結果
| 問題 | No.1099 Range Square Sum |
| コンテスト | |
| ユーザー |
 yuly3
|
| 提出日時 | 2020-09-19 08:03:47 |
| 言語 | Nim (2.2.0) |
| 結果 |
CE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 5,279 bytes |
| 記録 | |
| コンパイル時間 | 1,901 ms |
| コンパイル使用メモリ | 73,352 KB |
| 最終ジャッジ日時 | 2024-06-23 04:29:36 |
| 合計ジャッジ時間 | 3,666 ms |
|
ジャッジサーバーID （参考情報） |
judge4 / judge3 |
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コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。（リジャッジ後のコンパイルエラーは公開されます）
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
/home/judge/data/code/Main.nim(138, 38) Error: type mismatch
Expression: toLazySegmentTree(init_val, (0, 0, 0), 0, proc (a: auto; b: auto): auto = (
a[0] + b[0], a[1] + b[1], a[2] + a[2]), proc (a: auto; b: auto): auto = (
a[0] + a[2] * b, a[1] + 2 * a[0] * b + a[2] * b ^ 2, a[2]), proc (a: auto;
b: auto): auto = a + b)
[1] init_val: seq[(int, int, int)]
[2] (0, 0, 0): (int, int, int)
[3] 0: int literal(0)
[4] proc (a: auto; b: auto): auto = (a[0] + b[0], a[1] + b[1], a[2] + a[2]): proc (a: GenericParam, b: GenericParam): auto
[5] proc (a: auto; b: auto): auto = (a[0] + a[2] * b,
a[1] + 2 * a[0] * b + a[2] * b ^ 2, a[2]): proc (a: GenericParam, b: GenericParam): auto
[6] proc (a: auto; b: auto): auto = a + b: proc (a: GenericParam, b: GenericParam): auto
Expected one of (first mismatch at [position]):
[6] proc toLazySegmentTree[T, K](init_value: openArray[T]; ide_ele: T;
lazy_ide_ele: K; fold: proc (a, b: T): T;
eval: proc (a: T; b: K): T;
merge: proc (a, b: K): K): LazySegmentTree[T, K]
ソースコード
import algorithm, deques, heapqueue, math, sets, sequtils, strutils, sugar, tables
proc input*(): string =
return stdin.readLine
proc chmax*[T: SomeNumber](num0: var T, num1: T) =
num0 = max(num0, num1)
proc chmin*[T: SomeNumber](num0: var T, num1: T) =
num0 = min(num0, num1)
proc `%=`*[T: SomeInteger](num0: var T, num1: T) =
num0 = num0 mod num1
proc bit_length(n: Natural): Natural =
const BIT_SIZE = 24
if n == 0:
return 0
let s = toBin(n, BIT_SIZE)
return BIT_SIZE - s.find('1')
type
LazySegmentTree*[T, K] = ref object
LV: Natural
N0: Positive
ide_ele: T
lazy_ide_ele: K
data: seq[T]
lazy_data: seq[K]
fold: proc (a, b: T): T
eval: proc (a: T, b: K): T
merge: proc (a, b: K): K
proc initLazySegmentTree*[T, K](size: Positive, ide_ele: T, lazy_ide_ele: K, fold: proc (a, b: T): T, eval: proc (a: T, b: K): T, merge: proc (a, b: K): K): LazySegmentTree[T, K] =
var
LV = bit_length(size - 1)
N0 = 1 shl LV
data = newSeqWith(2*N0, ide_ele)
lazy_data = newSeqWith(2*N0, lazy_ide_ele)
return LazySegmentTree[T, K](LV: LV, N0: N0, ide_ele: ide_ele, lazy_ide_ele: lazy_ide_ele, data: data, lazy_data: lazy_data, fold: fold, eval: eval, merge: merge)
proc toLazySegmentTree*[T, K](init_value: openArray[T], ide_ele: T, lazy_ide_ele: K, fold: proc (a, b: T): T, eval: proc (a: T, b: K): T, merge: proc (a, b: K): K): LazySegmentTree[T, K] =
var
LV = bit_length(init_value.len - 1)
N0 = 1 shl LV
data = newSeqWith(2*N0, ide_ele)
lazy_data = newSeqWith(2*N0, lazy_ide_ele)
for i, x in init_value:
data[i + N0 - 1] = x
for i in countdown(N0 - 2, 0):
data[i] = fold(data[2*i + 1], data[2*i + 2])
return LazySegmentTree[T, K](LV: LV, N0: N0, ide_ele: ide_ele, lazy_ide_ele: lazy_ide_ele, data: data, lazy_data: lazy_data, fold: fold, eval: eval, merge: merge)
iterator gindex*[T, K](self: var LazySegmentTree[T, K], left, right: Natural): Natural =
var
L = (left + self.N0) shr 1
R = (right + self.N0) shr 1
lc = if (left and 1) == 1: 0 else: bit_length(L and -L)
rc = if (right and 1) == 1: 0 else: bit_length(R and -R)
for i in 0..<self.LV:
if rc <= i:
yield R
if L < R and lc <= i:
yield L
L = L shr 1
R = R shr 1
proc propagates*[T, K](self: var LazySegmentTree[T, K], ids: seq[Natural]) =
var
idx: Natural
v: K
for id in reversed(ids):
idx = id - 1
v = self.lazy_data[idx]
if v == self.lazy_ide_ele:
continue
# v = v shr 1
self.data[2*idx + 1] = self.eval(self.data[2*idx + 1], v)
self.data[2*idx + 2] = self.eval(self.data[2*idx + 2], v)
self.lazy_data[2*idx + 1] = self.merge(self.lazy_data[2*idx + 1], v)
self.lazy_data[2*idx + 2] = self.merge(self.lazy_data[2*idx + 2], v)
self.lazy_data[idx] = self.lazy_ide_ele
proc update*[T, K](self: var LazySegmentTree[T, K], left, right: Natural, x: K) =
let ids = toSeq(self.gindex(left, right))
# self.propagates(ids)
var
L = left + self.N0
R = right + self.N0
# x = x
while L < R:
if (L and 1) == 1:
self.lazy_data[L - 1] = self.merge(self.lazy_data[L - 1], x)
self.data[L - 1] = self.eval(self.data[L - 1], x)
inc L
if (R and 1) == 1:
dec R
self.lazy_data[R - 1] = self.merge(self.lazy_data[R - 1], x)
self.data[R - 1] = self.eval(self.data[R - 1], x)
L = L shr 1
R = R shr 1
# x = x shl 1
var idx: Natural
for id in ids:
idx = id - 1
self.data[idx] = self.eval(self.fold(self.data[2*idx + 1], self.data[2*idx + 2]), self.lazy_data[idx])
proc query*[T, K](self: var LazySegmentTree[T, K], left, right: Natural): T =
self.propagates(toSeq(self.gindex(left, right)))
var
L = left + self.N0
R = right + self.N0
res = self.ide_ele
while L < R:
if (L and 1) == 1:
res = self.fold(res, self.data[L - 1])
inc L
if (R and 1) == 1:
dec R
res = self.fold(res, self.data[R - 1])
L = L shr 1
R = R shr 1
return res
var
A, ans: seq[int]
init_val: seq[(int, int, int)]
lazy_seg_tree: LazySegmentTree[(int, int, int), int]
proc solve() =
let _ = input().parseInt
A = input().split.map(parseInt)
for ai in A:
init_val.add((ai, ai^2, 1))
lazy_seg_tree = toLazySegmentTree(init_val, (0, 0, 0), 0, (a, b) => (a[0] + b[0], a[1] + b[1], a[2] + a[2]),
(a, b) => (a[0] + a[2]*b, a[1] + 2*a[0]*b + a[2]*b^2, a[2]), (a, b) => a + b)
let Q = input().parseInt
var li, ri, xi: int
for _ in 0..<Q:
let query = input().split.map(parseInt)
if query[0] == 1:
(li, ri, xi) = query[1..^1]
lazy_seg_tree.update(li - 1, ri, xi)
else:
(li, ri) = query[1..^1]
ans.add(lazy_seg_tree.query(li - 1, ri)[1])
echo ans.join("\n")
when is_main_module:
solve()