Submission #855229


Source Code Expand

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n, a = gets.split.map(&:to_i)
xs = gets.split.map(&:to_i)

count = 0
n.times do |i|
  xs.combination(i+1).each do |arr|
    avg = (arr.inject(&:+))/(i+1).to_f
    count += 1 if avg == a.to_f
  end
end

puts count

Submission Info

Submission Time
Task C - Tak and Cards
User lune
Language Ruby (2.3.3)
Score 200
Code Size 225 Byte
Status TLE
Exec Time 2105 ms
Memory 2044 KB

Judge Result

Set Name Sample Subtask1 All
Score / Max Score 0 / 0 200 / 200 0 / 100
Status
AC × 3
TLE × 1
AC × 12
AC × 12
TLE × 12
Set Name Test Cases
Sample example_01.txt, example_02.txt, example_03.txt, example_04.txt
Subtask1 example_01.txt, example_02.txt, example_03.txt, 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
All example_01.txt, example_02.txt, example_03.txt, example_04.txt, 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, 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
Case Name Status Exec Time Memory
example_01.txt AC 16 ms 1788 KB
example_02.txt AC 16 ms 1788 KB
example_03.txt AC 16 ms 1788 KB
example_04.txt TLE 2102 ms 1916 KB
subtask1_01.txt AC 139 ms 2044 KB
subtask1_02.txt AC 145 ms 2044 KB
subtask1_03.txt AC 139 ms 2044 KB
subtask1_04.txt AC 138 ms 2044 KB
subtask1_05.txt AC 139 ms 2044 KB
subtask1_06.txt AC 16 ms 1788 KB
subtask1_07.txt AC 16 ms 1788 KB
subtask1_08.txt AC 141 ms 2044 KB
subtask1_09.txt AC 76 ms 1916 KB
subtask2_01.txt TLE 2101 ms 1788 KB
subtask2_02.txt TLE 2105 ms 1788 KB
subtask2_03.txt TLE 2101 ms 1788 KB
subtask2_04.txt TLE 2101 ms 1788 KB
subtask2_05.txt TLE 2101 ms 1788 KB
subtask2_06.txt TLE 2101 ms 1788 KB
subtask2_07.txt TLE 2102 ms 1788 KB
subtask2_08.txt TLE 2101 ms 1916 KB
subtask2_09.txt TLE 2101 ms 1916 KB
subtask2_10.txt TLE 2101 ms 1916 KB
subtask2_11.txt TLE 2101 ms 1916 KB