Unique Paths | Leetcode 62 | Live coding session 🔥🔥🔥 | DP

Here is the solution to "Unique Paths" leetcode question. Hope you have a great time going through it.

1) 0:00 Explaining the problem out loud
2) 1:50 Algorithm walkthrough
3) 5:00 Coding

For discussion/feedback

PS : Please increase the speed to 1.25X

[ashishkalra]

WoW...didn't think of this was solving with DFS...Thanks for the optimized one.

[sreejith]

It's an easy question
Solved it with without looking at any solutions

[santoshvarma]

space complexity can be decreased, if we just save the previous row instead of the whole matrix

[_heenaahmed]

can u plz tell, is it necessary to have touch screen laptop for using stylus . also plz share link from where u bought it . Thanks .

[ChandraShekhar-bycd]

Can we do it using mathematics(combinatorics)?

[heyutkarshhh]

What's the Time & Space Complexity ?