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Letter Combinations of a Phone Number - Leetcode 17 - Recursive Backtracking (Python)

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Greg Hogg

Greg Hogg

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Пікірлер: 6
@GregHogg
@GregHogg Ай бұрын
Master Data Structures & Algorithms For FREE at AlgoMap.io!
@user-hu9nu8xu5g
@user-hu9nu8xu5g Ай бұрын
bro I don't undrstand but bro thank you I'll watch this playlist again
@Alex-fe4dr
@Alex-fe4dr Ай бұрын
Hi, I don't understand the pop. if I append ['a'] then go on to append ['a','d'], ['a','e'], ['a','f'] then when I pop how do I not pop ['a','f'] since it was the last thing added?
@user-hb3gb9zn7n
@user-hb3gb9zn7n Ай бұрын
Space complexity here I think is wrong. Should be 4^n not just n.
@user-hu9nu8xu5g
@user-hu9nu8xu5g Ай бұрын
bro i watch playlist of you about refursion but i still don't understand jus tundrstand 60% of it
@GregHogg
@GregHogg Ай бұрын
It will eventually click :)
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