Submission #1541037

Source Code Expand

a=gets.chomp

p a.size*(a.size-1)/2+1-a.each_char.group_by{|a|a}.map{|k,v|v.size*(v.size-1)/2}.inject(:+)

Submission Info

Submission Time
Task B - Reverse and Compare
User mayumini
Language Ruby (2.3.3)
Score 500
Code Size 107 Byte
Status AC
Exec Time 84 ms
Memory 13180 KB

Compile Error

./Main.rb:3: warning: shadowing outer local variable - a

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 23
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.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 7 ms 1788 KB
subtask_1_01.txt AC 7 ms 1788 KB
subtask_1_02.txt AC 73 ms 12796 KB
subtask_1_03.txt AC 7 ms 1788 KB
subtask_1_04.txt AC 7 ms 1788 KB
subtask_1_05.txt AC 7 ms 1788 KB
subtask_1_06.txt AC 7 ms 1788 KB
subtask_1_07.txt AC 13 ms 2556 KB
subtask_1_08.txt AC 81 ms 13180 KB
subtask_1_09.txt AC 74 ms 12156 KB
subtask_1_10.txt AC 79 ms 12156 KB
subtask_1_11.txt AC 84 ms 12924 KB
subtask_1_12.txt AC 75 ms 12284 KB
subtask_1_13.txt AC 75 ms 12412 KB
subtask_1_14.txt AC 73 ms 12796 KB
subtask_1_15.txt AC 73 ms 12284 KB
subtask_1_16.txt AC 74 ms 12796 KB
subtask_1_17.txt AC 72 ms 12796 KB