I don't understand this question

we need to calculate the number of activities that can done by a person
,the activities are given their start time and end time (minutes maybe)
,but I don’t understand in what time frame or what are the limitation of time for performing activities like in 20 hours or 20 minutes how many activities can person do!!
please explain this Question

hi… so basically u are given start and end time of each activity… what u have to do it to find max no of activities that the person can perform such that no 2 activities overlap with each other… for that sort the activities in the increasing order of their end time and then just by running a simple loop u can compute the ans…
u can refer to the video lecture on the same available in the course contents…

ohk, I got it, thank you

okay… cool…

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