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Need help in CSES Problem set

Правка en1, от miniCoderS, 2021-01-08 15:39:50

can someone give any hint how to approach https://cses.fi/problemset/task/2169 this problem ? I've tried sorting the starting points and the ending points and tried to observe if somehow I can merge them , but couldn't find any way . Will some special data structure need for this problem ?

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en1 Английский miniCoderS 2021-01-08 15:39:50 323 Initial revision (published)