結果
問題 | No.1 道のショートカット |
ユーザー | shi-mo |
提出日時 | 2016-03-22 02:35:28 |
言語 | Ruby (3.3.0) |
結果 |
AC
|
実行時間 | 75 ms / 5,000 ms |
コード長 | 1,244 bytes |
コンパイル時間 | 292 ms |
コンパイル使用メモリ | 11,520 KB |
実行使用メモリ | 16,128 KB |
最終ジャッジ日時 | 2023-09-27 21:53:34 |
合計ジャッジ時間 | 4,738 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge11 |
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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 | 72 ms
15,212 KB |
testcase_01 | AC | 69 ms
15,248 KB |
testcase_02 | AC | 73 ms
15,300 KB |
testcase_03 | AC | 69 ms
15,344 KB |
testcase_04 | AC | 68 ms
15,332 KB |
testcase_05 | AC | 69 ms
15,176 KB |
testcase_06 | AC | 68 ms
15,340 KB |
testcase_07 | AC | 68 ms
15,328 KB |
testcase_08 | AC | 70 ms
15,480 KB |
testcase_09 | AC | 69 ms
15,288 KB |
testcase_10 | AC | 69 ms
15,428 KB |
testcase_11 | AC | 72 ms
15,556 KB |
testcase_12 | AC | 71 ms
15,584 KB |
testcase_13 | AC | 71 ms
15,520 KB |
testcase_14 | AC | 68 ms
15,304 KB |
testcase_15 | AC | 68 ms
15,172 KB |
testcase_16 | AC | 71 ms
15,120 KB |
testcase_17 | AC | 69 ms
15,292 KB |
testcase_18 | AC | 68 ms
15,040 KB |
testcase_19 | AC | 68 ms
15,328 KB |
testcase_20 | AC | 68 ms
15,144 KB |
testcase_21 | AC | 68 ms
15,336 KB |
testcase_22 | AC | 68 ms
15,136 KB |
testcase_23 | AC | 74 ms
15,940 KB |
testcase_24 | AC | 70 ms
15,568 KB |
testcase_25 | AC | 69 ms
15,136 KB |
testcase_26 | AC | 68 ms
15,152 KB |
testcase_27 | AC | 75 ms
16,128 KB |
testcase_28 | AC | 68 ms
15,140 KB |
testcase_29 | AC | 72 ms
15,588 KB |
testcase_30 | AC | 71 ms
15,204 KB |
testcase_31 | AC | 70 ms
15,408 KB |
testcase_32 | AC | 70 ms
15,404 KB |
testcase_33 | AC | 71 ms
15,376 KB |
testcase_34 | AC | 72 ms
15,616 KB |
testcase_35 | AC | 71 ms
15,400 KB |
testcase_36 | AC | 72 ms
15,412 KB |
testcase_37 | AC | 71 ms
15,296 KB |
testcase_38 | AC | 68 ms
15,140 KB |
testcase_39 | AC | 70 ms
15,228 KB |
testcase_40 | AC | 70 ms
15,136 KB |
testcase_41 | AC | 68 ms
15,356 KB |
testcase_42 | AC | 69 ms
15,040 KB |
testcase_43 | AC | 67 ms
15,136 KB |
コンパイルメッセージ
Main.rb:57: warning: ambiguous first argument; put parentheses or a space even after `-' operator Main.rb:31: warning: assigned but unused variable - num_ways Main.rb:36: warning: assigned but unused variable - pos_head Syntax OK
ソースコード
#!ruby def load_int(io) io.gets.to_i end def load_int_array(io) io.gets.chomp.split.map(&:to_i) end def load_problem(io) num_cities = load_int(io) cost_limit = load_int(io) num_ways = load_int(io) s = load_int_array(io) t = load_int_array(io) y = load_int_array(io) m = load_int_array(io) ways = [] num_ways.times do |i| ways << { start: s[i], terminal: t[i], cost: y[i], time: m[i] } end ways_from = ways.group_by{|way| way[:start] } [ num_cities, cost_limit, num_ways, ways_from ] end def main num_cities, cost_limit, num_ways, ways_from = load_problem(STDIN) candidates = [ { pos: 1, cost: 0, time: 0 } ] result = nil pos_head = 1 until candidates.empty? candidates.sort_by!{|c| c[:time] } current = candidates.shift if num_cities == current[:pos] result = current break end next unless ways_from[current[:pos]] ways_from[current[:pos]].each do |next_way| cost = current[:cost] + next_way[:cost] time = current[:time] + next_way[:time] next if cost_limit < cost candidates.unshift({ pos: next_way[:terminal], cost: cost, time: time }) end end if result.nil? puts -1 exit 0 end puts result[:time] end main