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Hack!
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Time Limit: 2 s
Memory Limit: 512 MB
Total points: 100
#8104. Keyboard / Klawiatura
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The problem was used in the following contests:
Potyczki Algorytmiczne 2017 Finał
Petrozavodsk Summer 2018. Day 5: Warsaw U Contest
XVIII Open Cup named after E.V. Pankratiev Onsite
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