Submission #1239229

Source Code Expand

N = gets.to_i
C = Array.new(N) { gets.to_i }

count = 0

C.permutation.each do |coins|
  count += count_front(coins)
end

n = (1..N).inject(1,:*).to_f

puts format "%.12f", count / n

Submission Info

Submission Time
Task C - コイン
User sbyh52
Language Ruby (2.3.3)
Score 0
Code Size 193 Byte
Status RE
Exec Time 7 ms
Memory 1788 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 0 / 99 0 / 1
Status
RE × 3
RE × 20
RE × 40
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
Subtask1 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt
Subtask2 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt
Case Name Status Exec Time Memory
sample_01.txt RE 7 ms 1788 KB
sample_02.txt RE 7 ms 1788 KB
sample_03.txt RE 7 ms 1788 KB
subtask1_01.txt RE 7 ms 1788 KB
subtask1_02.txt RE 7 ms 1788 KB
subtask1_03.txt RE 7 ms 1788 KB
subtask1_04.txt RE 7 ms 1788 KB
subtask1_05.txt RE 7 ms 1788 KB
subtask1_06.txt RE 7 ms 1788 KB
subtask1_07.txt RE 7 ms 1788 KB
subtask1_08.txt RE 7 ms 1788 KB
subtask1_09.txt RE 7 ms 1788 KB
subtask1_10.txt RE 7 ms 1788 KB
subtask1_11.txt RE 7 ms 1788 KB
subtask1_12.txt RE 7 ms 1788 KB
subtask1_13.txt RE 7 ms 1788 KB
subtask1_14.txt RE 7 ms 1788 KB
subtask1_15.txt RE 7 ms 1788 KB
subtask1_16.txt RE 7 ms 1788 KB
subtask1_17.txt RE 7 ms 1788 KB
subtask1_18.txt RE 7 ms 1788 KB
subtask1_19.txt RE 7 ms 1788 KB
subtask1_20.txt RE 7 ms 1788 KB
subtask2_01.txt RE 7 ms 1788 KB
subtask2_02.txt RE 7 ms 1788 KB
subtask2_03.txt RE 7 ms 1788 KB
subtask2_04.txt RE 7 ms 1788 KB
subtask2_05.txt RE 7 ms 1788 KB
subtask2_06.txt RE 7 ms 1788 KB
subtask2_07.txt RE 7 ms 1788 KB
subtask2_08.txt RE 7 ms 1788 KB
subtask2_09.txt RE 7 ms 1788 KB
subtask2_10.txt RE 7 ms 1788 KB
subtask2_11.txt RE 7 ms 1788 KB
subtask2_12.txt RE 7 ms 1788 KB
subtask2_13.txt RE 7 ms 1788 KB
subtask2_14.txt RE 7 ms 1788 KB
subtask2_15.txt RE 7 ms 1788 KB
subtask2_16.txt RE 7 ms 1788 KB
subtask2_17.txt RE 7 ms 1788 KB
subtask2_18.txt RE 7 ms 1788 KB
subtask2_19.txt RE 7 ms 1788 KB
subtask2_20.txt RE 7 ms 1788 KB