ID Problem Show tags Hide tags AC / Tried Difficulty
8431 P287B  Pipeline 0 / 0 5
8430 P288A  Polo the Penguin and Strings 0 / 0 4
8429 P288B  Polo the Penguin and Houses 0 / 0 5
8428 P288C  Polo the Penguin and XOR operation 0 / 0 5
8427 P288D  Polo the Penguin and Trees 0 / 0 9
8426 P288E  Polo the Penguin and Lucky Numbers 0 / 0 10
8425 P289A  Polo the Penguin and Segments 0 / 0 3
8424 P289B  Polo the Penguin and Matrix 0 / 0 4
8423 P290A  Mysterious strings 0 / 0 4
8422 P290B  QR code 0 / 0 5
8421 P290C  WTF? 0 / 0 5
8420 P290D  Orange 0 / 0 4
8419 P290E  HQ 0 / 0 9
8418 P290F  Greedy Petya 0 / 0 10
8417 P291A  Spyke Talks 0 / 0 3
8416 P291B  Command Line Arguments 0 / 0 4
8415 P291C  Network Mask 0 / 0 5
8414 P291D  Parallel Programming 0 / 0 5
8413 P291E  Tree-String Problem 0 / 0 7
8412 P292A  SMSC 0 / 0 3
8411 P292B  Network Topology 0 / 0 4
8410 P292C  Beautiful IP Addresses 0 / 0 7
8409 P292D  Connected Components 1 / 1 6
8408 P292E  Copying Data 0 / 0 6
8407 P293A  Weird Game 0 / 0 5
8406 P293B  Distinct Paths 0 / 0 10
8405 P293C  Cube Problem 0 / 0 9
8404 P293D  Ksusha and Square 0 / 0 10
8403 P293E  Close Vertices 0 / 0 10
8402 P294A  Shaass and Oskols 0 / 0 3
8401 P294B  Shaass and Bookshelf 0 / 0 5
8400 P294C  Shaass and Lights 0 / 0 6
8399 P294D  Shaass and Painter Robot 0 / 0 9
8398 P294E  Shaass the Great 0 / 0 8
8397 P295A  Greg and Array 0 / 0 4
8396 P295B  Greg and Graph 0 / 0 5
8395 P295C  Greg and Friends 0 / 0 7
8394 P295D  Greg and Caves 0 / 0 9
8393 P295E  Yaroslav and Points 0 / 0 9
8392 P296A  Yaroslav and Permutations 0 / 0 3
8391 P296B  Yaroslav and Two Strings 0 / 0 7
8390 P297A  Parity Game 0 / 0 5
8389 P297B  Fish Weight 0 / 0 5
8388 P297C  Splitting the Uniqueness 0 / 0 9
8387 P297D  Color the Carpet 0 / 0 9
8386 P297E  Mystic Carvings 0 / 0 10
8385 P298A  Snow Footprints 0 / 0 4
8384 P298B  Sail 0 / 0 4
8383 P299A  Ksusha and Array 0 / 0 3
8382 P299B  Ksusha the Squirrel 0 / 0 3
8381 P300A  Array 0 / 0 3
8380 P300B  Coach 0 / 0 5
8379 P300C  Beautiful Numbers 0 / 0 6
8378 P300D  Painting Square 0 / 0 8
8377 P300E  Empire Strikes Back 0 / 0 8
8376 P301A  Yaroslav and Sequence 0 / 0 6
8375 P301B  Yaroslav and Time 0 / 0 7
8374 P301C  Yaroslav and Algorithm 0 / 0 9
8373 P301D  Yaroslav and Divisors 0 / 0 8
8372 P301E  Yaroslav and Arrangements 0 / 0 10
8371 P302A  Eugeny and Array 0 / 0 3
8370 P302B  Eugeny and Play List 0 / 0 4
8369 P303A  Lucky Permutation Triple 0 / 0 4
8368 P303B  Rectangle Puzzle II 0 / 0 5
8367 P303C  Minimum Modular 0 / 0 9
8366 P303D  Rotatable Number 0 / 0 10
8365 P303E  Random Ranking 0 / 0 10
8364 P304A  Pythagorean Theorem II 0 / 0 4
8363 P304B  Calendar 0 / 0 4
8362 P305A  Strange Addition 0 / 0 5
8361 P305B  Continued Fractions 0 / 0 5
8360 P305C  Ivan and Powers of Two 0 / 0 5
8359 P305D  Olya and Graph 0 / 0 8
8358 P305E  Playing with String 0 / 0 8
8357 P306A  Candies 0 / 0 3
8356 P306B  Optimizer 0 / 0 7
8355 P306C  White, Black and White Again 0 / 0 7
8354 P306D  Polygon 0 / 0 8
8353 P309A  Morning run 0 / 0 7
8352 P309B  Context Advertising 0 / 0 7
8351 P309C  Memory for Arrays 0 / 0 6
8350 P309D  Tennis Rackets 0 / 0 10
8349 P309E  Sheep 0 / 0 10
8348 P311A  The Closest Pair 0 / 0 4
8347 P311B  Cats Transport 0 / 0 9
8346 P311C  Fetch the Treasure 0 / 0 9
8345 P311D  Interval Cubing 0 / 0 10
8344 P311E  Biologist 0 / 0 8
8343 P312A  Whose sentence is it? 0 / 0 3
8342 P312B  Archer 0 / 0 4
8341 P313A  Ilya and Bank Account 0 / 0 3
8340 P313B  Ilya and Queries 0 / 0 3
8339 P313C  Ilya and Matrix 0 / 0 4
8338 P313D  Ilya and Roads 0 / 0 7
8337 P313E  Ilya and Two Numbers 0 / 0 8
8336 P314A  Sereja and Contest 0 / 0 5
8335 P314B  Sereja and Periods 0 / 0 7
8334 P314C  Sereja and Subsequences 0 / 0 7
8333 P314D  Sereja and Straight Lines 0 / 0 9
8332 P314E  Sereja and Squares 0 / 0 10

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