Explanation of 1st Test case required

#1

Explain the 1st tc as I am not able to interpret the question properly

#2

@akh.chakraborty11 hey, in this problem u are given,
n bridges and u need to tell maximum number of non intersecting beidges .
image

for ex-> here we have 4 bridges
(2,6) , (5,4) , (8,1) ,(10,2)
maximum non intersecting bridges are ->2
i,e (8,1) and (10,2) they will not cross each other.

#3

But how are (2,6) and (5,4) intersecting? that’s my question

#4

@akh.chakraborty11 hey think on plotting on graph ,you will get it

#5

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