2021 problems

ID Problem Show tags Hide tags AC / Tried Difficulty
6331 P279E   Beautiful Decomposition 0 / 0 (None)
6326 P280E   Sequence Transformation 0 / 0 (None)
6320 P282D   Yet Another Number Game 0 / 0 (None)
6317 P283B   Cow Program 0 / 0 (None)
6316 P283C   Coin Troubles 0 / 0 (None)
6315 P283D   Cows and Cool Sequences 0 / 0 (None)
6308 P285D   Permutation Sum 0 / 0 (None)
6307 P285E   Positions in Permutations 0 / 0 (None)
6295 P288E   Polo the Penguin and Lucky Numbers 0 / 0 (None)
6293 P289B   Polo the Penguin and Matrix 0 / 0 (None)
6278 P292D   Connected Components 0 / 0 (None)
6270 P294B   Shaass and Bookshelf 0 / 0 (None)
6267 P294E   Shaass the Great 0 / 0 (None)
6265 P295B   Greg and Graph 0 / 0 (None)
6264 P295C   Greg and Friends 0 / 0 (None)
6263 P295D   Greg and Caves 0 / 0 (None)
6260 P296B   Yaroslav and Two Strings 0 / 0 (None)
6247 P300D   Painting Square 0 / 0 (None)
6241 P301E   Yaroslav and Arrangements 0 / 0 (None)
6234 P303E   Random Ranking 0 / 0 (None)

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