N-th Tribonacci Number - Leetcode 1137

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Solving the Nth tribonacci problem, today's daily leetcode problem, on January 29th.

0:00 - Read the problem
0:30 - Drawing Explanation
1:55 - Coding Explanation

leetcode 1137

#neetcode #leetcode #python

NeetCodeIO

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These daily problems help a lot! Thank you

MP-nyep

Would love some feedback on my solution:

h = [0, 1, 1]
def trib(lis: list, num: int, ctr: int):
if num<3:
return h[num]

if ctr < num:
lis.append(lis[-1] + lis[-2] + lis[-3])
trib(lis, num, ctr+1)

return lis[num]

print(trib(h, 3, 0))

kinanradaideh

Good stuff. Neetcode could you make a video about python decorating annotations on leetcode and other coding tricks you've seen on leetcode so far?

pauljones

Please continue with more easy problems

girishnakate

Thanks for the video! I have my virtual onsite tomorrow ^^

milktea

wow - isn't this tabulation - dynamic programming approach?

servantofthelord

Hello NC, can you share your Leetcode profile link to us, just curious .

clandestina_genz

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