mbb70
Joined 10 years ago
Joined 10 years ago
In the real world there is no If You Build It They Will Come, you've got to get the word out
>> "costs way too much"
>> "It's not like chat is a hard problem"
Surely these statements can't all be true. Since Slack is expensive and has little competition, I think chat is a harder problem than you think.
Also a huge number of spacey contemporary works like A Mote in God's Eye, Rendezvous with Rama, Dune, Ringworld...
Self-driving taxis have a high floor for 'making the product worse' because the car fundamentally has to drive itself.
Then find all words with 7 unique letters, then get the unique set of letter sets. These are your valid puzzles times 7 for each selection of a center letter.
Construct a trie of your dictionary. For each letter of each puzzle, walk the trie using only the puzzle letters. When you find a word, if it used the center letter, add to list.
In practice it's log(n) for size of dictionary.