結果
問題 | No.5008 [Cherry Alpha] Discrete Pendulum with Air Resistance |
ユーザー | tomerun |
提出日時 | 2022-10-14 22:51:14 |
言語 | Crystal (1.11.2) |
結果 |
AC
|
実行時間 | 1,918 ms / 2,000 ms |
コード長 | 3,528 bytes |
コンパイル時間 | 21,035 ms |
実行使用メモリ | 6,952 KB |
スコア | 928,906,017,232,626 |
最終ジャッジ日時 | 2022-10-14 22:53:21 |
合計ジャッジ時間 | 124,582 ms |
ジャッジサーバーID (参考情報) |
judge9 / judge8 |
純コード判定しない問題か言語 |
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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 | 1,915 ms
4,904 KB |
testcase_01 | AC | 1,909 ms
4,904 KB |
testcase_02 | AC | 1,904 ms
4,900 KB |
testcase_03 | AC | 1,907 ms
4,904 KB |
testcase_04 | AC | 1,912 ms
4,904 KB |
testcase_05 | AC | 1,904 ms
4,904 KB |
testcase_06 | AC | 1,907 ms
4,904 KB |
testcase_07 | AC | 1,905 ms
4,900 KB |
testcase_08 | AC | 1,911 ms
6,952 KB |
testcase_09 | AC | 1,910 ms
4,904 KB |
testcase_10 | AC | 1,906 ms
6,948 KB |
testcase_11 | AC | 1,912 ms
4,904 KB |
testcase_12 | AC | 1,916 ms
4,900 KB |
testcase_13 | AC | 1,912 ms
6,948 KB |
testcase_14 | AC | 1,907 ms
6,952 KB |
testcase_15 | AC | 1,906 ms
4,904 KB |
testcase_16 | AC | 1,907 ms
4,904 KB |
testcase_17 | AC | 1,908 ms
6,948 KB |
testcase_18 | AC | 1,905 ms
6,952 KB |
testcase_19 | AC | 1,906 ms
4,900 KB |
testcase_20 | AC | 1,911 ms
4,904 KB |
testcase_21 | AC | 1,905 ms
4,904 KB |
testcase_22 | AC | 1,905 ms
4,904 KB |
testcase_23 | AC | 1,911 ms
4,904 KB |
testcase_24 | AC | 1,914 ms
4,900 KB |
testcase_25 | AC | 1,907 ms
4,904 KB |
testcase_26 | AC | 1,911 ms
4,904 KB |
testcase_27 | AC | 1,905 ms
4,900 KB |
testcase_28 | AC | 1,904 ms
4,900 KB |
testcase_29 | AC | 1,908 ms
4,904 KB |
testcase_30 | AC | 1,906 ms
4,900 KB |
testcase_31 | AC | 1,907 ms
4,904 KB |
testcase_32 | AC | 1,907 ms
4,900 KB |
testcase_33 | AC | 1,913 ms
4,904 KB |
testcase_34 | AC | 1,906 ms
4,900 KB |
testcase_35 | AC | 1,912 ms
6,952 KB |
testcase_36 | AC | 1,907 ms
4,908 KB |
testcase_37 | AC | 1,914 ms
4,900 KB |
testcase_38 | AC | 1,911 ms
4,904 KB |
testcase_39 | AC | 1,905 ms
4,900 KB |
testcase_40 | AC | 1,910 ms
4,900 KB |
testcase_41 | AC | 1,905 ms
6,948 KB |
testcase_42 | AC | 1,904 ms
6,948 KB |
testcase_43 | AC | 1,907 ms
4,904 KB |
testcase_44 | AC | 1,916 ms
6,952 KB |
testcase_45 | AC | 1,905 ms
4,900 KB |
testcase_46 | AC | 1,907 ms
4,904 KB |
testcase_47 | AC | 1,918 ms
4,900 KB |
testcase_48 | AC | 1,904 ms
6,948 KB |
testcase_49 | AC | 1,916 ms
6,948 KB |
ソースコード
START_TIME = Time.utc.to_unix_ms TL = 1900 N = 50 K = 50 RND = Random.new(2) macro debug(msg) {% if flag?(:local) %} STDERR.puts({{msg}}) {% end %} end class Result getter :score, :b, :m, :e def initialize(@score : Int64, @b : Array(Int32), @m : Array(Int32), @e : Array(Int32)) end end class Solver @ts : Array(Int32) @us : Array(Int32) def initialize read_line @ts = read_line.split.map(&.to_i) @us = read_line.split.map(&.to_i) @b = Array(Int32).new(N) { RND.rand(1) + 1 } @m = Array(Int32).new(N) { |i| {RND.rand(2) + 1, @b[i]}.min } @e = Array(Int32).new(N) { RND.rand(2) + 1 } @pos_200 = Array(Int32).new(N, 0) @dir_200 = Array(Int32).new(N, 1) N.times do |i| @pos_200[i], @dir_200[i] = sim_200(@b[i], @m[i], @e[i]) end @pos_ts = Array(Array(Int32)).new(N) { Array.new(K, 0) } @pos_us = Array(Array(Int32)).new(N) { Array.new(K, 0) } N.times do |i| sim_k(i) end end def sim_200(b, m, e) m = {b, m}.min p = 0 d = 1 a = b 200.times do p += d if p == a * d d *= -1 a = {m, a - e}.max end end return p, d end def sim_k(i) K.times do |j| t = (@ts[j] - 200) % (@m[i] * 4) p = @pos_200[i] d = @dir_200[i] t.times do p += d if p == @m[i] * d d *= -1 end end @pos_ts[i][j] = p t = (@us[j] - 200) % (@m[i] * 4) p = @pos_200[i] d = @dir_200[i] t.times do p += d if p == @m[i] * d d *= -1 end end @pos_us[i][j] = p end end def solve best_res = Result.new(calc_score(), @b.dup, @m.dup, @e.dup) buf_pos_ts = Array.new(K, 0) buf_pos_us = Array.new(K, 0) turn = 0 while true turn += 1 if (turn & 0x3F) == 0 if Time.utc.to_unix_ms - START_TIME > TL debug("total_turn:#{turn} score:#{best_res.score}") break end end ch_i = RND.rand(N) nb = RND.rand(6) + 1 nm = {RND.rand(4) + 1, nb}.min ne = RND.rand(4) + 1 old = {@pos_200[ch_i], @dir_200[ch_i]} @pos_200[ch_i], @dir_200[ch_i] = sim_200(nb, nm, ne) K.times do |i| buf_pos_ts[i] = @pos_ts[ch_i][i] buf_pos_us[i] = @pos_us[ch_i][i] end sim_k(ch_i) score = calc_score() if best_res.score < score debug("score:#{score} at turn #{turn}") @b[ch_i] = nb @m[ch_i] = nm @e[ch_i] = ne best_res = Result.new(score, @b.dup, @m.dup, @e.dup) else @pos_200[ch_i] = old[0] @dir_200[ch_i] = old[1] K.times do |i| @pos_ts[ch_i][i] = buf_pos_ts[i] @pos_us[ch_i][i] = buf_pos_us[i] end end end return best_res end def calc_score sum0 = 0i64 sum1 = 0i64 K.times do |i| sum = 0.0 N.times do |j| j.times do |k| sum += (@pos_ts[j][i] - @pos_ts[k][i]).abs / (@b[j] + @b[k]) end end sum0 += (sum * 20_000_000 / (N * (N - 1))).round.to_i min = 1 << 20 max = -(1 << 20) N.times do |j| min = {min, @pos_us[j][i]}.min max = {max, @pos_us[j][i]}.max end sum1 += (10_000_000 / (((max - min) * 0.05) ** 0.5 + 1)).round.to_i end return sum0 * sum1 end end solver = Solver.new res = solver.solve N.times do |i| puts "#{res.b[i]} #{{res.b[i], res.m[i]}.min} #{res.e[i]}" end