ID Problem Show tags Hide tags AC / Tried Difficulty
4262 P982A   Row 0 / 0 (None)
4272 P985B   Switches and Lamps 0 / 0 (None)
4286 P989B   A Tide of Riverscape 0 / 0 (None)
4290 P990B   Micro-World 0 / 0 (None)
4314 P998B   Cutting 0 / 0 (None)
4317 P999C   Alphabetic Removals 0 / 0 (None)
4319 P1000A   Codehorses T-shirts 0 / 0 (None)
4328 P1001H   Oracle for f(x) = parity of the number of 1s in x 0 / 0 (None)
6379 P1002D1   Oracle for f(x) = b * x mod 2 0 / 0 (None)
6362 P1006B   Polycarp's Practice 0 / 0 (None)
6345 P1011B   Planning The Expedition 0 / 0 (None)
6339 P1015B   Obtaining the String 0 / 0 (None)
6323 P1023A   Single Wildcard Pattern Matching 0 / 0 (None)
6321 P1023C   Bracket Subsequence 0 / 0 (None)
4342 P1027B   Numbers on the Chessboard 0 / 0 (None)
4351 P1029B   Creating the Contest 0 / 0 (None)
4397 P1042B   Vitamins 0 / 0 (None)
4401 P1043B   Lost Array 0 / 0 (None)
4458 P1064B   Equations of Mathematical Magic 0 / 0 (None)
4486 P1075B   Taxi drivers and Lyft 0 / 0 (None)

Categories

Lucky

Pick a problem randomly based on the current filter.