Submission #122551

Source Code Expand

class C
  def initialize
    n, k = gets.chomp.split(' ').map(&:to_i)
    rate_list = []
    answer = 0.0

    rate_list = gets.chomp.split(' ').map(&:to_f)

    rate_list.sort!

    ((n-k)..(n-1)).each do |index|
      answer = ( answer + rate_list[index] ) / 2.0
    end

    puts answer
  end
end

C.new

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User siman
Language Ruby (1.9.3)
Score 100
Code Size 324 Byte
Status AC
Exec Time 58 ms
Memory 4220 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 34
Set Name Test Cases
All 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt
Case Name Status Exec Time Memory
00_sample_01.txt AC 57 ms 4204 KB
00_sample_02.txt AC 56 ms 4204 KB
00_sample_03.txt AC 55 ms 4200 KB
00_sample_04.txt AC 55 ms 4204 KB
test_01.txt AC 54 ms 4204 KB
test_02.txt AC 54 ms 4200 KB
test_03.txt AC 54 ms 4204 KB
test_04.txt AC 55 ms 4204 KB
test_05.txt AC 56 ms 4200 KB
test_06.txt AC 54 ms 4188 KB
test_07.txt AC 54 ms 4200 KB
test_08.txt AC 54 ms 4204 KB
test_09.txt AC 53 ms 4124 KB
test_10.txt AC 54 ms 4200 KB
test_11.txt AC 55 ms 4200 KB
test_12.txt AC 52 ms 4204 KB
test_13.txt AC 55 ms 4200 KB
test_14.txt AC 54 ms 4220 KB
test_15.txt AC 55 ms 4200 KB
test_16.txt AC 54 ms 4200 KB
test_17.txt AC 54 ms 4220 KB
test_18.txt AC 55 ms 4204 KB
test_19.txt AC 56 ms 4204 KB
test_20.txt AC 54 ms 4204 KB
test_21.txt AC 55 ms 4184 KB
test_22.txt AC 55 ms 4200 KB
test_23.txt AC 53 ms 4204 KB
test_24.txt AC 54 ms 4204 KB
test_25.txt AC 53 ms 4204 KB
test_26.txt AC 54 ms 4188 KB
test_27.txt AC 56 ms 4180 KB
test_28.txt AC 55 ms 4200 KB
test_29.txt AC 58 ms 4200 KB
test_30.txt AC 55 ms 4204 KB