Submission #122925


Source Code Expand

Copy
#!/usr/local/bin/ruby

K, R = gets.split[1].to_i, gets.split.map(&:to_i).sort

puts [*1..K].inject(0){|s, r| (s+R[-(K+1)+r])/2.0 }

Submission Info

Submission Time
Task C - AtCoderプログラミング講座
User kyontan
Language Ruby (1.9.3)
Score 100
Code Size 136 Byte
Status AC
Exec Time 56 ms
Memory 4240 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 53 ms 4204 KB
00_sample_02.txt AC 54 ms 4200 KB
00_sample_03.txt AC 55 ms 4204 KB
00_sample_04.txt AC 55 ms 4196 KB
test_01.txt AC 55 ms 4240 KB
test_02.txt AC 54 ms 4196 KB
test_03.txt AC 54 ms 4204 KB
test_04.txt AC 54 ms 4168 KB
test_05.txt AC 54 ms 4204 KB
test_06.txt AC 53 ms 4228 KB
test_07.txt AC 54 ms 4200 KB
test_08.txt AC 55 ms 4204 KB
test_09.txt AC 54 ms 4200 KB
test_10.txt AC 56 ms 4196 KB
test_11.txt AC 55 ms 4204 KB
test_12.txt AC 53 ms 4200 KB
test_13.txt AC 53 ms 4204 KB
test_14.txt AC 56 ms 4204 KB
test_15.txt AC 54 ms 4204 KB
test_16.txt AC 54 ms 4204 KB
test_17.txt AC 55 ms 4196 KB
test_18.txt AC 54 ms 4204 KB
test_19.txt AC 55 ms 4204 KB
test_20.txt AC 56 ms 4192 KB
test_21.txt AC 55 ms 4200 KB
test_22.txt AC 54 ms 4200 KB
test_23.txt AC 53 ms 4196 KB
test_24.txt AC 52 ms 4192 KB
test_25.txt AC 54 ms 4120 KB
test_26.txt AC 53 ms 4200 KB
test_27.txt AC 54 ms 4200 KB
test_28.txt AC 55 ms 4204 KB
test_29.txt AC 54 ms 4200 KB
test_30.txt AC 54 ms 4204 KB