Editorial for SAC '22 Code Challenge 2 P1 - Calendar Management

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Author: maxcruickshanks

Maintain a list for the day and a list for the name of each assignment.

Define a $day$ ~day~ variable to represent the current day as $0$ ~0~.

For each query, check all the assignments that occur from $(day, C_i]$ ~(day, C_i]~ and output their names in the order that they occur in the input.

Then, set $day$ ~day~ to $C_i$ ~C_i~.

Time Complexity: $\mathcal{O}(NQ)$ ~\mathcal{O}(NQ)~

Note that this is the hardest problem in this contest if you are familiar with most topics in competitive programming.

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