Editorial for DMOPC '15 Contest 4 P1 - Dictionary
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Split the words into buckets based on their starting letter, then sort each bucket lexicographically. Most languages have a built-in sorter, so just check if the first letter of adjacent elements are the same.
Time Complexity:
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