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rkotov
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Roman Kotov
rkotov
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Ukraine
Ukraine
Joined Feb 15, 2025
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2026
rkotov solved problem Two circles (#4) on first attempt4 months ago
rkotov solved problem Apples (#11799) on 16 attempt11 months ago
rkotov solved problem Rooks (#11797) on first attempt11 months ago
rkotov solved problem Column Chart (#11802) on 16 attempt11 months ago
rkotov solved problem Kostya and Problems (#11798) on 2 attempt11 months ago
rkotov solved problem A*B*C (#11800) on 7 attempt11 months ago
rkotov solved problem Horned Froglet (#11801) on first attempt11 months ago
rkotov solved problem x+y (#11796) on 2 attempt11 months ago
rkotov has joined contest KNU Student Olympiad, 1 stage (Mirror)11 months ago
rkotov solved problem Degree of symmetry (#19) on 2 attempt12 months ago
rkotov solved problem Match’s model (#3) on 3 attempt12 months ago
rkotov solved problem The Ticket Chase (#14) on first attempt12 months ago
rkotov solved problem Gardener (#10) on 2 attempt12 months ago
rkotov solved problem Digits (#2) on first attempt12 months ago
rkotov solved problem Simple problem (#1) on first attempt12 months ago