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Ковальчук Юрій
Last visit 4 days ago
Ukraine, Миропіль
Миропільський ліцей
Joined September, 2017
Rank
886
Solved problems
521
Submissions
1745
Accepted submits
642
Recently submitted problems
61
Cleaning up the Snow
757 / 888
1531
Keys In Boxes
463 / 502
1532
Handshake
974 / 1114
1534
Divisibility
672 / 789
1535
Skyscrapers
645 / 695
1711
Максимальный поток 0
515 / 587
1712
Максимальный поток 2
374 / 630
1781
Assignment problem
352 / 395
1783
Lexicographically smallest cyclic shift
438 / 485
1790
Restore the permutation
253 / 269
1943
Bridges
1074 / 1354
1991
Maximum flow
695 / 818
5092
Honeycomb
1707 / 1864