結果
問題 | No.1775 Love Triangle 2 |
ユーザー | tomerun |
提出日時 | 2021-12-05 17:40:10 |
言語 | Crystal (1.11.2) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,941 bytes |
コンパイル時間 | 15,213 ms |
コンパイル使用メモリ | 296,924 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-07-07 08:20:16 |
合計ジャッジ時間 | 700,290 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 | 7,503 ms
6,812 KB |
testcase_01 | AC | 7,503 ms
6,816 KB |
testcase_02 | AC | 7,503 ms
6,944 KB |
testcase_03 | AC | 7,502 ms
6,944 KB |
testcase_04 | AC | 7,502 ms
6,944 KB |
testcase_05 | AC | 7,502 ms
6,944 KB |
testcase_06 | AC | 7,502 ms
6,940 KB |
testcase_07 | AC | 7,502 ms
6,944 KB |
testcase_08 | AC | 7,503 ms
6,944 KB |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | AC | 7,501 ms
6,940 KB |
testcase_18 | AC | 7,502 ms
6,940 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | AC | 7,503 ms
6,940 KB |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | WA | - |
testcase_48 | WA | - |
testcase_49 | WA | - |
testcase_50 | WA | - |
testcase_51 | WA | - |
testcase_52 | WA | - |
testcase_53 | WA | - |
testcase_54 | WA | - |
testcase_55 | WA | - |
testcase_56 | WA | - |
testcase_57 | WA | - |
testcase_58 | WA | - |
testcase_59 | WA | - |
testcase_60 | WA | - |
testcase_61 | WA | - |
testcase_62 | WA | - |
testcase_63 | WA | - |
testcase_64 | WA | - |
testcase_65 | WA | - |
testcase_66 | WA | - |
testcase_67 | WA | - |
testcase_68 | WA | - |
testcase_69 | WA | - |
testcase_70 | WA | - |
testcase_71 | WA | - |
testcase_72 | WA | - |
testcase_73 | WA | - |
testcase_74 | WA | - |
testcase_75 | WA | - |
testcase_76 | WA | - |
testcase_77 | WA | - |
testcase_78 | WA | - |
testcase_79 | WA | - |
testcase_80 | WA | - |
testcase_81 | WA | - |
testcase_82 | WA | - |
testcase_83 | WA | - |
testcase_84 | WA | - |
testcase_85 | WA | - |
testcase_86 | WA | - |
testcase_87 | WA | - |
testcase_88 | WA | - |
testcase_89 | WA | - |
ソースコード
START_TIME = Time.utc.to_unix_ms TL = 7500 INF = 1 << 28 RND = Random.new(2) macro debug(msg) {% if flag?(:local) %} STDERR.puts({{msg}}) {% end %} end main def main n, m = read_line.split.map(&.to_i) x, y, z = read_line.split.map { |i| i.to_i - 1 } g = Array.new(n) { [false] * n } m.times do a, b = read_line.split.map(&.to_i) g[a - 1][b - 1] = g[b - 1][a - 1] = true end puts solve(x, y, z, g, START_TIME + TL) end def solve(x, y, z, g, tl) n = g.size wait = (0...n).select { |i| ![x, y, z].includes?(i) } best_ans = INF ratio_pena = 1 score_pena = 3 ps = [x, y, z] cooler = 0.3 turn = 0 while true if (turn & 0xFFF) == 0 cur_time = Time.utc.to_unix_ms if cur_time > tl debug("turn: #{turn}") break end end pos = RND.rand(ps.size) if ps[pos] == x || ps[pos] == y || ps[pos] == z ope = 1 else ope = RND.rand(3) end np = pos == ps.size - 1 ? 0 : pos + 1 case ope when 0 # remove diff_pena = 0 diff_pena -= 1 if g[ps[pos]][ps[np]] diff_pena -= 1 if g[ps[pos]][ps[pos - 1]] diff_pena += 1 if g[ps[pos - 1]][ps[np]] diff = diff_pena * ratio_pena - 1 if accept(diff, cooler) score_pena += diff_pena wait << ps[pos] ps.delete_at(pos) if score_pena == 0 && ps.size < best_ans best_ans = ps.size end debug("remove #{score_pena} #{ps.size} #{turn}") debug("#{ps}") end when 1 # insert next if wait.empty? ip = RND.rand(wait.size) ins = wait[ip] diff_pena = 0 diff_pena -= 1 if g[ps[pos]][ps[np]] diff_pena += 1 if g[ins][ps[np]] diff_pena += 1 if g[ins][ps[pos]] diff = diff_pena * ratio_pena + 1 if accept(diff, cooler) score_pena += diff_pena wait[ip], wait[-1] = wait[-1], wait[ip] wait.pop ps.insert(pos + 1, ins) if score_pena == 0 && ps.size < best_ans best_ans = ps.size end debug("insert #{score_pena} #{ps.size} #{turn}") debug("#{ps}") end when 2 # swap next if wait.empty? ip = RND.rand(wait.size) ins = wait[ip] diff_pena = 0 diff_pena -= 1 if g[ps[pos]][ps[np]] diff_pena -= 1 if g[ps[pos]][ps[pos - 1]] diff_pena += 1 if g[ins][ps[np]] diff_pena += 1 if g[ins][ps[pos - 1]] diff = diff_pena * ratio_pena if accept(diff, cooler) score_pena += diff_pena wait[ip] = ps[pos] ps[pos] = ins if score_pena == 0 && ps.size < best_ans best_ans = ps.size end debug("swap #{score_pena} #{ps.size} #{turn}") debug("#{ps}") end end turn += 1 end return best_ans == INF ? -1 : best_ans end def accept(diff, cooler) return true if diff <= 0 v = -diff * cooler return RND.rand < Math.exp(v) end