Hostel Visit Why this code gives TLE?

[devmandal95 (Dibakar Mandal)]

[Link to the code] (https://ide.codingblocks.com/s/282618)

[Ishitagambhir]

@devmandal95 sorting takes O(nlogn) time and if you sort it for every query it will give TLE. Use priority_queue data structure instead