Sergei Fedorov

@sergei_fedorov

Russian Federation

Institution: high school

History of submissions
(plaintext version)

Problems

List of solved classical problems:

HS09APR HS09MIN HS09SHIP
HS09BF HS09MWNG HS09SSEQ
HS09BRI HS09NLG HS09UBT
HS09CPG HS09POP HS09WIE
HS09CUT HS09REC
HS09EQ HS09RED
HS09GAME HS09ROL

TODO list of classical problems:

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