Problem ID Title Solved Submit Pass Rate
311380CF1977B. Binary Colouring
CodeforcesRound948(Div.2)-bitmasks-greedy-math-*1100
000.000%
311382CF1977D. XORificator
CodeforcesRound948(Div.2)-bitmasks-greedy-hashing-*2300
000.000%
311385CF1979B. XOR Sequences
CodeforcesRound951(Div.2)-bitmasks-greedy-*1000
000.000%
311387CF1979D. Fixing a Binary String
CodeforcesRound951(Div.2)-bitmasks-dp-greedy-hashing-strings-*1800
000.000%
311397CF1980G. Yasya and the Mysterious Tree
CodeforcesRound950(Div.3)-bitmasks-graphs-greedy-strings-trees-*2300
000.000%