I don't think "I can teach someone data structures in 1 hour" is a good faith interpretation of what OP meant. I would expect it's more like "I could teach som

I don't think "I can teach someone data structures in 1 hour" is a good faith interpretation of what OP meant. I would expect it's more like "I could teach someone about a data structure that could be used to solve this problem efficiently and simply in 1 hour" is closer to the mark.