C++ STL QUIZ 1 doubts in certain questions

#1

I have doubt in the 7 8 10 11 and 13th question of quiz 1 of stl
please help Also, I’m facing problem in how comparator class works in priority queues so please help me in clearing that concept

#2

Hello @imsharan0105, can you pls tell me the name of the questions as on the student side and on our side the questions gets shuffled.

#3

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