Count Number of Texts| Leetcode 2266 | Dynamic Programming| Live coding session

Here is the solution to "Count Number of Texts" leetcode question. Hope you have a great time going through it.

🎉 Chapters
0:00 Introduction
1:30 Building the algoritm
11:30 Coding it up Solution

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👉 Solutions

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PS : Please increase the speed to 1.25X

[shrimpo]

never thought of this! I tried to derive dp[4] from previous and got tripped. thank you!!!

[MrHotfish]

Crystal clear explanation bro, thank you ! 🔥

[sagarbora]

Nice sunchit Sr for explaining every states as well this helped in knowing how actually dp is getting applied
waiting for such worthy explanation until now
now totally able to get it into my head
Thanks❤

[rajeshg]

Nice one as usual.. i really like your explanation .. I've a dumb question here -- why are we doing the modulus operation and how did we arrive at that mod value ?

[deepakchowdary]

confused for the dp[4] while solving but you explanation gave me a clear picture and thanks for the explanation

[yourbestie]

great i thought in direction of MCM dp but if we do in MCM dp there will be lot of repetitions, therefore tribonacci sequence works

[vivekjaiswar]

This was hard according to me. A hour worth of pen, paper solved this for me pheww

[utsavgupta]

While considering We replace it with c only can't it be "aaa" Like all possible string of "222" that can be for the Great explanation!!!!.

[OmPrakash-otnr]

In the second if statement shouldn't the condition be (i>=3 && s.charAt(i-3)==ch && s.charAt(i-2)==ch)?