Counting Perfect Subsequences

Hacker
Rank
Language
Score
Time
237
flag of Switzerland
Java 7
00.00
00:00
237
flag of France
C++
00.00
00:00
237
flag of Bosnia and Herzegovina
C++14
00.00
00:00
237
flag of Canada
Java 8
00.00
00:00
237
flag of India
Java 7
00.00
00:00
237
flag of Germany
Python 3
00.00
00:00
237
flag of Taiwan
Python 2
00.00
00:00
237
flag of United Kingdom
Javascript
00.00
00:00
237
flag of India
Python 2
00.00
00:00
237
flag of Estonia
Python 3
00.00
00:00
237
flag of Sri Lanka
Python 3
00.00
00:00
237
flag of United States
C#
00.00
00:00
237
flag of United Kingdom
Scala
00.00
00:00
237
flag of Indonesia
Java 8
00.00
00:00
237
flag of Spain
Python 2
00.00
00:00
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