Problem 2140. Alternately upper-lower case
49.37% Correct | 50.63% Incorrect
Last Solution submitted on Mar 20, 2023
Venkatanarasimha Hegde on 15 Mar 2023 at 14:14
Jeez, how do some people do it with size 14 program. I wrote the simplest possible program and it was 73 !!! :(
Christian Schröder on 15 Mar 2023 at 15:58
Shouldn't be flagged --- this is a perfectly valid use of regular expressions.
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