Coding Interview Problem - Decode Ways

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Leetcode Question: 91

Solutions and video explanation to the commonly asked coding interview question Decode Ways

Timestamps:
Understanding the Problem: 0:00
Optimal Substructure: 1:32
Brute Force Solution: 5:32
Memoization: 7:39
Dynamic Programming: 8:45

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Single person on YouTube who explained why we are using i-1 + i-2 rest of all are just telling the solution

pranjalagarwal
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idk how companies expect me to do this shit is under 30 min. Thank you though.... I've been trying to understand this all day and this is the video that made it click

dominickdavis
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insane explanation. i can you tell you truly understand the problem and is not just a regurgitation of a working LC solution found online... thanks!

basedmangoes
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Thank you brother. Only you explained why the i-1 + i-2 is valid.

velakuruday
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FINALLY get it. Only video where it clicked. Deserves way more likes.

kairu
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I think but I could not understand. After watching your lucid video, I understand without thinking, thank you for your diffusive wisdom.

alextran
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After watching like 5 videos about this question finally there's one that i understand. amazing explantion

Martinnnnnn-es
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Man please dont stop making these videos, the intution you give to solve the problem is amazing. Upload frequently and your channel will grow soon.

pinakeekaushik
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First video that helped me understand the tabulation solution! Thanks a lot man.

AlvaroGarcia-fboh
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This video and explanation is incredible. Why are there not more views??

soz
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Finally I understood the solution, tried many videos but this one is best;

arpitvaish
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Really thanks a lot, i have watched so many vudeos in youtube but didn't understand, but finally you given good explainatiin for this question❤️🙏

ganeshmula
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Awesome explanation, this should be LC Premium. I feel I got scam paying LC premium when reading the LC solution. Great job!

MinhNguyen-lzpg
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Thanks! Your channel certainly deserves way more attention! - So true - Good work mate...

meht
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Man, what an explanation. you are AMAZING! Thank you

raghavsurya
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Amazing explanation that will be forever useful. Thank you

leonardata
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Best explanation I've found, thank you so much

j_noodles
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thank you! i finally understood the dp subproblems

SudeeptaSood
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wow this was such a good explanation, thank you

tehepicduck
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Great video!!! Could you please recommend some books or study material ?

rahulshetty