How to approach the problem

#1

https://codeforces.com/contest/1452/problem/B

can you please explain me how to approach the problem, i watch editorial on you tube but didnt understand.
please explain me how to approach the problem

#2

HEY @shivamgoel150
Please share the editorial u refered to .

#3

I found his explanation good enough : https://www.youtube.com/watch?v=xqKwV0MqX9o
If u dont understand something in his explanation of this question then let me know :slight_smile:

#4

Hey @shivamgoel150
Just saw ur message ,please continue all the chat here

So what exactly u didn’t understood ?
Everything was quite clear

#5

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