結果
問題 | No.318 学学学学学 |
ユーザー | universato |
提出日時 | 2021-05-18 11:29:15 |
言語 | Ruby (3.3.0) |
結果 |
TLE
|
実行時間 | - |
コード長 | 4,345 bytes |
コンパイル時間 | 124 ms |
コンパイル使用メモリ | 7,680 KB |
実行使用メモリ | 41,888 KB |
最終ジャッジ日時 | 2024-10-08 09:25:08 |
合計ジャッジ時間 | 7,203 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 323 ms
19,328 KB |
testcase_01 | AC | 583 ms
16,768 KB |
testcase_02 | AC | 699 ms
16,640 KB |
testcase_03 | AC | 461 ms
15,488 KB |
testcase_04 | AC | 611 ms
16,640 KB |
testcase_05 | TLE | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
コンパイルメッセージ
Syntax OK
ソースコード
# Segment tree with Lazy propagation class LazySegtree attr_reader :d, :lz, :e, :id attr_accessor :op, :mapping, :composition # new(v, op, e, mapping, composition, id) # new(v, e, id, op, mapping, composition) # new(v, e, id){ |x, y| } def initialize(v, a1, a2, a3 = nil, a4 = nil, a5 = nil, &op_block) if a1.is_a?(Proc) @op, @e, @mapping, @composition, @id = a1, a2, a3, a4, a5 else @e, @id, @op, @mapping, @composition = a1, a2, a3, a4, a5 @op ||= op_block end v = Array.new(v, @e) if v.is_a?(Integer) @n = v.size @log = (@n - 1).bit_length @size = 1 << @log @d = Array.new(2 * @size, e) @lz = Array.new(@size, id) @n.times { |i| @d[@size + i] = v[i] } (@size - 1).downto(1) { |i| update(i) } end def set_mapping(&mapping) @mapping = mapping end def set_composition(&composition) @composition = composition end def set(pos, x) pos += @size @log.downto(1) { |i| push(pos >> i) } @d[pos] = x 1.upto(@log) { |i| update(pos >> i) } end alias []= set def get(pos) pos += @size @log.downto(1) { |i| push(pos >> i) } @d[pos] end alias [] get def prod(l, r) return @e if l == r l += @size r += @size @log.downto(1) do |i| push(l >> i) if (l >> i) << i != l push(r >> i) if (r >> i) << i != r end sml = @e smr = @e while l < r if l.odd? sml = @op.call(sml, @d[l]) l += 1 end if r.odd? r -= 1 smr = @op.call(@d[r], smr) end l >>= 1 r >>= 1 end @op.call(sml, smr) end def all_prod @d[1] end # apply(pos, f) # apply(l, r, f) -> range_apply(l, r, f) def apply(pos, f, fr = nil) return range_apply(pos, f, fr) if fr pos += @size @log.downto(1) { |i| push(pos >> i) } @d[pos] = @mapping.call(f, @d[pos]) 1.upto(@log) { |i| update(pos >> i) } end def range_apply(l, r, f) return if l == r l += @size r += @size @log.downto(1) do |i| push(l >> i) if (l >> i) << i != l push((r - 1) >> i) if (r >> i) << i != r end l2 = l r2 = r while l < r (all_apply(l, f); l += 1) if l.odd? (r -= 1; all_apply(r, f)) if r.odd? l >>= 1 r >>= 1 end l = l2 r = r2 1.upto(@log) do |i| update(l >> i) if (l >> i) << i != l update((r - 1) >> i) if (r >> i) << i != r end end def max_right(l, &g) return @n if l == @n l += @size @log.downto(1) { |i| push(l >> i) } sm = @e loop do while l.even? l >>= 1 end unless g.call(@op.call(sm, @d[l])) while l < @size push(l) l <<= 1 if g.call(@op.call(sm, @d[l])) sm = @op.call(sm, @d[l]) l += 1 end end return l - @size end sm = @op.call(sm, @d[l]) l += 1 break if l & -l == l end @n end def min_left(r, &g) return 0 if r == 0 r += @size @log.downto(1) { |i| push((r - 1) >> i) } sm = @e loop do r -= 1 while r > 1 && r.odd? r /= 2 end unless g.call(@op.call(@d[r], sm)) while r < @size push(r) r = r * 2 + 1 if g.call(@op.call(@d[r], sm)) sm = @op.call(@d[r], sm) r -= 1 end end return r + 1 - @size end sm = @op.call(@d[r], sm) break if (r & -r) == r end 0 end def update(k) @d[k] = @op.call(@d[2 * k], @d[2 * k + 1]) end def all_apply(k, f) @d[k] = @mapping.call(f, @d[k]) @lz[k] = @composition.call(f, @lz[k]) if k < @size end def push(k) all_apply(2 * k, @lz[k]) all_apply(2 * k + 1, @lz[k]) @lz[k] = @id end end n = gets.to_s.to_i a = gets.to_s.split.map{ |e| e.to_i } h = Hash.new{ |h, k| h[k] = [] } a.each_with_index{ |k, i| h[k].empty? ? h[k] << i : h[k][1] = i } e = 0 op = ->(x, y){ } id = 9**18 mapping = ->(f, x){ f == id ? x : f } composition = ->(g, x){ g == id ? x : g } st = LazySegtree.new(a, op, e, mapping, composition, id) h.sort_by{ |k, _| k }.each do |k, indexes| l, r = indexes if r st.apply(l, r + 1, k) else st.set(l, k) end end puts (0...n).map{ |i| st[i] }.join(' ')