AtCoder Grand Contest 019

Submission #5910725

Source codeソースコード

Q, H, S, D = gets.split.map(&:to_i)
bottle = [[Q, 0.25], [H, 0.5], [S, 1.0], [D, 2.0]].sort_by { |cost, size| cost / size }
N = gets.to_i
n = N

ans = 0

while n > 0
  cost, size = bottle.shift

  cnt = (n / size).floor
  ans += cnt * cost
  n -= cnt * size
end

puts ans

Submission

Task問題 A - Ice Tea Store
User nameユーザ名 siman
Created time投稿日時
Language言語 Ruby (2.3.3)
Status状態 AC
Score得点 300
Source lengthソースコード長 288 Byte
File nameファイル名
Exec time実行時間 8 ms
Memory usageメモリ使用量 1788 KB

Test case

Set

Set name Score得点 / Max score Cases
Sample - sample_01.txt,sample_02.txt,sample_03.txt,sample_04.txt
All 300 / 300 sample_01.txt,sample_02.txt,sample_03.txt,sample_04.txt,sample_01.txt,sample_02.txt,sample_03.txt,sample_04.txt,subtask_1_01.txt,subtask_1_02.txt,subtask_1_03.txt,subtask_1_04.txt,subtask_1_05.txt,subtask_1_06.txt,subtask_1_07.txt,subtask_1_08.txt,subtask_1_09.txt,subtask_1_10.txt,subtask_1_11.txt,subtask_1_12.txt,subtask_1_13.txt,subtask_1_14.txt,subtask_1_15.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
sample_01.txt AC 8 ms 1788 KB
sample_02.txt AC 7 ms 1788 KB
sample_03.txt AC 7 ms 1788 KB
sample_04.txt AC 7 ms 1788 KB
subtask_1_01.txt AC 7 ms 1788 KB
subtask_1_02.txt AC 7 ms 1788 KB
subtask_1_03.txt AC 7 ms 1788 KB
subtask_1_04.txt AC 7 ms 1788 KB
subtask_1_05.txt AC 7 ms 1788 KB
subtask_1_06.txt AC 7 ms 1788 KB
subtask_1_07.txt AC 7 ms 1788 KB
subtask_1_08.txt AC 7 ms 1788 KB
subtask_1_09.txt AC 7 ms 1788 KB
subtask_1_10.txt AC 7 ms 1788 KB
subtask_1_11.txt AC 7 ms 1788 KB
subtask_1_12.txt AC 7 ms 1788 KB
subtask_1_13.txt AC 7 ms 1788 KB
subtask_1_14.txt AC 7 ms 1788 KB
subtask_1_15.txt AC 7 ms 1788 KB