Submission #4192142

Source Code Expand

A=gets.chomp
c=0
h=Hash.new 0
A.chars{|a|
  c+=h[a]
  h[a]+=1
}
p A.size*(A.size-1)/2+1-c

Submission Info

Submission Time
Task B - Reverse and Compare
User n4o847
Language Ruby (2.3.3)
Score 500
Code Size 89 Byte
Status AC
Exec Time 81 ms
Memory 2172 KB

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 77 ms 2172 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 14 ms 1788 KB
subtask_1_08.txt AC 81 ms 2172 KB
subtask_1_09.txt AC 79 ms 2172 KB
subtask_1_10.txt AC 80 ms 2172 KB
subtask_1_11.txt AC 81 ms 2172 KB
subtask_1_12.txt AC 79 ms 2172 KB
subtask_1_13.txt AC 79 ms 2172 KB
subtask_1_14.txt AC 78 ms 2172 KB
subtask_1_15.txt AC 78 ms 2172 KB
subtask_1_16.txt AC 79 ms 2172 KB
subtask_1_17.txt AC 79 ms 2172 KB