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Time Limit: 4 s Memory Limit: 512 MB Total points: 100

# 4207. Uplifting Excursion

The problem was used in the following contest:

Baltic Olympiad in Informatics 2022 Day 1

Subtask 3, 4 = Subtask 3 in the statement
Subtask 5, 6 = Subtask 4 in the statement
Subtask 7, 8 = Subtask 5 in the statement
Subtask 9, 10 = Subtask 6 in the statement