Inability to process blanks:-)

Question

I am unable to process words that areseparated by spaces (decoding).....https://code.sololearn.com/cS13EE4LDRpk/?ref=app

Answer 1

Ipang solved https://code.sololearn.com/c4PmD9PBBHXd/?ref=app

Simple way

Answer 2

Code looks complex : )
May I ask why you choose this approach, using HashTable, Dictionary etc?

Does string replacement not help?