結果
問題 | No.833 かっこいい電車 |
ユーザー | te-sh |
提出日時 | 2021-07-05 18:18:09 |
言語 | Crystal (1.11.2) |
結果 |
RE
|
実行時間 | - |
コード長 | 3,512 bytes |
コンパイル時間 | 13,869 ms |
コンパイル使用メモリ | 296,056 KB |
実行使用メモリ | 11,868 KB |
最終ジャッジ日時 | 2024-07-01 12:00:38 |
合計ジャッジ時間 | 16,803 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 237 ms
7,168 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | RE | - |
testcase_11 | RE | - |
testcase_12 | RE | - |
testcase_13 | RE | - |
testcase_14 | RE | - |
testcase_15 | RE | - |
testcase_16 | RE | - |
testcase_17 | RE | - |
testcase_18 | RE | - |
testcase_19 | RE | - |
testcase_20 | RE | - |
testcase_21 | RE | - |
testcase_22 | RE | - |
testcase_23 | RE | - |
testcase_24 | RE | - |
testcase_25 | RE | - |
testcase_26 | RE | - |
testcase_27 | RE | - |
testcase_28 | RE | - |
testcase_29 | RE | - |
testcase_30 | RE | - |
testcase_31 | AC | 208 ms
7,296 KB |
ソースコード
def main(io) n, q = io.get2 a = io.get_a(n) s1 = SegmentTree.new(a) { |a, b| a + b } s2 = SegmentTree.new(Array.new(n+1, 1)) { |a, b| a + b } q.times do t, x = io.get2; x -= 1 case t when 1 s2[x+1] = 0 when 2 s2[x+1] = 1 when 3 s1[x] += 1 when 4 i = s2[..x] l = (0..x).bsearch { |j| s2[..j] >= i } r = (x..n).bsearch { |j| s2[..j] > i } io.put s1[l...r] end end end class SegmentTree(T) def initialize(@n : Int32, @init : T = T.zero, &@compose : (T, T) -> T) @an = 1 << (32 - (@n-1).leading_zeros_count) @buf = Array.new(@an*2, @init) propagate_all end def initialize(b : Array(T), @init : T = T.zero, &@compose : (T, T) -> T) @n = b.size @an = 1 << (32 - (@n-1).leading_zeros_count) @buf = Array.new(@an*2, @init) @buf[@an, @n] = b propagate_all end def [](i : Int) @buf[i+@an] end def [](r : Range) sc = Indexable.range_to_index_and_count(r, @n) raise ArgumentError.new("Invalid range") if sc.nil? start, count = sc l, r = start + @an, start + count + @an r1 = r2 = @init while l != r if l.odd? r1 = @compose.call(r1, @buf[l]) l += 1 end if r.odd? r -= 1 r2 = @compose.call(@buf[r], r2) end l >>= 1 r >>= 1 end @compose.call(r1, r2) end def []=(i : Int, v : T) @buf[i+@an] = v propagate(i+@an) end @an : Int32 @buf : Array(T) private def propagate_all (1...@an).reverse_each do |i| @buf[i] = @compose.call(@buf[i << 1], @buf[(i << 1) | 1]) end end private def propagate(i : Int) while (i >>= 1) > 0 @buf[i] = @compose.call(@buf[i << 1], @buf[(i << 1) | 1]) end end end class ProconIO def initialize @buf = [] of String @index = 0 end def get(k : T.class = Int32) forall T get_v(k) end def get(*ks : T.class) forall T ks.map { |k| get_v(k) } end macro define_getn {% for i in (2..9) %} def get{{i}}(k : T.class = Int32) forall T get({% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %}) end {% end %} end define_getn def get_a(n : Int, k : T.class = Int32) forall T Array.new(n) { get_v(k) } end def get_c(n : Int, k : T.class = Int32) forall T get_a(n, k) end def get_c(n : Int, *ks : T.class) forall T a = Array.new(n) { get(*ks) } ks.map_with_index { |_, i| a.map { |e| e[i] } } end macro define_getn_c {% for i in (2..9) %} def get{{i}}_c(n : Int, k : T.class = Int32) forall T get_c(n, {% for j in (1..i) %}k{% if j < i %}, {% end %}{% end %}) end {% end %} end define_getn_c def get_m(r : Int, c : Int, k : T.class = Int32) forall T Array.new(r) { get_a(c, k) } end def put(*vs) vs.each.with_index do |v, i| put_v(v) print i < vs.size - 1 ? " " : "\n" end end def put_e(*vs) put(*vs) exit end private def get_v(k : Int32.class); get_token.to_i32; end private def get_v(k : Int64.class); get_token.to_i64; end private def get_v(k : String.class); get_token; end private def get_token if @buf.size == @index @buf = read_line.split @index = 0 end v = @buf[@index] @index += 1 v end private def put_v(vs : Enumerable) vs.each_with_index do |v, i| print v print " " if i < vs.size - 1 end end private def put_v(v) print v end end main(ProconIO.new)