hackerearth may easy challenge

i dont know how to solve this problem,the only way i could think of is marking all the points on or under rectangles and finally counting all marked points.What is the correct way to solve this problem?Thank you. :slight_smile:

1 Like

Tumse na ho paega. :stuck_out_tongue:

4 Likes

@ayushrocker92: use sweep line algorithm

why downwote :confused:

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Is it an ongoing contest?

no it finished yesterday midnight