Submission #2384716

Source Code Expand

n = gets.to_i

def tribonacci n
  case n
  when 1, 2 then 0
  when 3    then 1
  else
    a, b, c = 0, 0, 1
    (4..n).each { a, b, c = b, c, (a + b + c) % 10007 }
    c
  end
end

puts tribonacci(n)

Submission Info

Submission Time
Task B - トリボナッチ数列
User kox3
Language Ruby (2.3.3)
Score 100
Code Size 212 Byte
Status AC
Exec Time 125 ms
Memory 1788 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 36
Set Name Test Cases
All sample_01.txt, sample_02.txt, sample_03.txt, test_1.txt, test_1000000.txt, test_1002.txt, test_104.txt, test_107843.txt, test_10980.txt, test_1212.txt, test_1238.txt, test_13194.txt, test_14.txt, test_16.txt, test_2.txt, test_210782.txt, test_21694.txt, test_243.txt, test_24916.txt, test_278.txt, test_3.txt, test_31.txt, test_32.txt, test_42.txt, test_5555.txt, test_567914.txt, test_61868.txt, test_765671.txt, test_8195.txt, test_8353.txt, test_9.txt, test_9625.txt, test_97.txt, test_998.txt, test_999998.txt, test_999999.txt
Case Name Status Exec Time Memory
sample_01.txt AC 7 ms 1788 KB
sample_02.txt AC 7 ms 1788 KB
sample_03.txt AC 19 ms 1788 KB
test_1.txt AC 7 ms 1788 KB
test_1000000.txt AC 125 ms 1788 KB
test_1002.txt AC 7 ms 1788 KB
test_104.txt AC 7 ms 1788 KB
test_107843.txt AC 20 ms 1788 KB
test_10980.txt AC 9 ms 1788 KB
test_1212.txt AC 7 ms 1788 KB
test_1238.txt AC 7 ms 1788 KB
test_13194.txt AC 9 ms 1788 KB
test_14.txt AC 7 ms 1788 KB
test_16.txt AC 7 ms 1788 KB
test_2.txt AC 7 ms 1788 KB
test_210782.txt AC 32 ms 1788 KB
test_21694.txt AC 10 ms 1788 KB
test_243.txt AC 7 ms 1788 KB
test_24916.txt AC 10 ms 1788 KB
test_278.txt AC 7 ms 1788 KB
test_3.txt AC 7 ms 1788 KB
test_31.txt AC 7 ms 1788 KB
test_32.txt AC 7 ms 1788 KB
test_42.txt AC 7 ms 1788 KB
test_5555.txt AC 8 ms 1788 KB
test_567914.txt AC 75 ms 1788 KB
test_61868.txt AC 15 ms 1788 KB
test_765671.txt AC 97 ms 1788 KB
test_8195.txt AC 8 ms 1788 KB
test_8353.txt AC 8 ms 1788 KB
test_9.txt AC 7 ms 1788 KB
test_9625.txt AC 9 ms 1788 KB
test_97.txt AC 7 ms 1788 KB
test_998.txt AC 7 ms 1788 KB
test_999998.txt AC 125 ms 1788 KB
test_999999.txt AC 125 ms 1788 KB