Maybe something was wrong with 55A - Путешествие блохи The input of the second sample and the test 2 are the same, but the answers are opposite. 3126932 Please give it a check, thank you.
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Can you please also check 159B - Matchmaker. Always when I try to submit it,it always says :Denial of judgement. WHY?
Maybe something was wrong, too. I passed it last year 2770276 But the same code failed today 3127126