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oleksii_chyhryn
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Олексій Чигрин
oleksii_chyhryn
Newbie
Ukraine
Ukraine
Joined Oct 17, 2025
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Problems29
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oleksii_chyhryn solved problem Add All (#1228) on 3 attempt2 months ago
oleksii_chyhryn has joined contest Blitz Round #162 months ago
oleksii_chyhryn solved problem Reduce to one (#10272) on 8 attempt2 months ago
oleksii_chyhryn solved problem Pair Sum Divisibility (#8548) on first attempt2 months ago
oleksii_chyhryn solved problem Corona2020 (#10029) on 2 attempt2 months ago
oleksii_chyhryn solved problem Weighing (#1993) on first attempt2 months ago
oleksii_chyhryn solved problem Dwarf Tower (#6263) on first attempt3 months ago
oleksii_chyhryn solved problem The kid who learned to count (#4483) on 5 attempt3 months ago
oleksii_chyhryn has joined contest Educational Round #93 months ago
oleksii_chyhryn solved problem Super minimum (#2248) on first attempt3 months ago
oleksii_chyhryn solved problem Double Queue (#790) on first attempt3 months ago
oleksii_chyhryn solved problem Corruption (#21) on first attempt3 months ago
oleksii_chyhryn has joined contest Blitz Round #83 months ago
oleksii_chyhryn has joined contest Blitz Round #133 months ago
oleksii_chyhryn has joined contest Blitz Round #153 months ago
oleksii_chyhryn solved problem Professor and balloons (#9405) on first attempt3 months ago
oleksii_chyhryn solved problem Calculator (#1427) on first attempt3 months ago
oleksii_chyhryn solved problem Number of toys (#927) on first attempt3 months ago
oleksii_chyhryn solved problem Hotels Along the Croatian Coast (#10682) on 5 attempt3 months ago
oleksii_chyhryn solved problem Stepan and pairs (#4283) on first attempt3 months ago
oleksii_chyhryn has joined contest Weekend Practice #193 months ago
oleksii_chyhryn has joined contest Blitz Round #143 months ago
oleksii_chyhryn has joined contest Weekend Practice #183 months ago
oleksii_chyhryn solved problem Dancing school (#160) on first attempt3 months ago
oleksii_chyhryn solved problem Reverse the graph (#10048) on first attempt3 months ago