|
|
7554 |
P271C Secret
|
0 / 0 |
普及
|
|
|
7551 |
P272A Dima and Friends
|
0 / 0 |
普及-
|
|
|
7550 |
P272B Dima and Sequence
|
0 / 0 |
普及-
|
|
|
7549 |
P272C Dima and Staircase
|
0 / 0 |
普及
|
|
|
7540 |
P274E Mirror Room
|
0 / 0 |
CTSC
|
|
|
7539 |
P275A Lights Out
|
0 / 0 |
普及-
|
|
|
7538 |
P275B Convex Shape
|
0 / 0 |
普及
|
|
|
7537 |
P276A Lunch Rush
|
0 / 0 |
普及-
|
|
|
7535 |
P276C Little Girl and Maximum Sum
|
0 / 0 |
普及
|
|
|
7534 |
P276D Little Girl and Maximum XOR
|
0 / 0 |
普及
|
|
|
7530 |
P277C Game
|
0 / 0 |
NOI
|
|
|
7527 |
P278A Circle Line
|
0 / 0 |
普及-
|
|
|
7525 |
P279A Point on Spiral
|
0 / 0 |
普及-
|
|
|
7524 |
P279B Books
|
0 / 0 |
普及-
|
|
|
7523 |
P279C Ladder
|
0 / 0 |
普及
|
|
|
7519 |
P280B Maximum Xor Secondary
|
0 / 0 |
普及
|
|
|
7518 |
P280C Game on Tree
|
0 / 0 |
省选
|
|
|
7517 |
P280D k-Maximum Subsequence Sum
|
0 / 0 |
CTSC
|
|
|
7516 |
P280E Sequence Transformation
|
0 / 0 |
CTSC
|
|
|
7515 |
P281A Word Capitalization
|
0 / 0 |
普及-
|
|
|
7514 |
P281B Nearest Fraction
|
0 / 0 |
普及
|
|
|
7513 |
P282A Bit++
|
0 / 0 |
普及-
|
|
|
7511 |
P282C XOR and OR
|
0 / 0 |
普及
|
|
|
7508 |
P283A Cows and Sequence
|
0 / 0 |
普及
|
|
|
7503 |
P284A Cows and Primitive Roots
|
0 / 0 |
普及-
|
|
|
7502 |
P284B Cows and Poker Game
|
0 / 0 |
普及-
|
|
|
7501 |
P285A Slightly Decreasing Permutations
|
0 / 0 |
普及-
|
|
|
7500 |
P285B Find Marble
|
0 / 0 |
普及-
|
|
|
7499 |
P285C Building Permutation
|
0 / 0 |
普及-
|
|
|
7498 |
P285D Permutation Sum
|
0 / 0 |
普及
|
|
|
7495 |
P286B Shifting
|
0 / 0 |
省选
|
|
|
7494 |
P286C Main Sequence
|
0 / 0 |
提高
|
|
|
7491 |
P287A IQ Test
|
0 / 0 |
普及-
|
|
|
7487 |
P288C Polo the Penguin and XOR operation
|
0 / 0 |
普及
|
|
|
7485 |
P288E Polo the Penguin and Lucky Numbers
|
0 / 0 |
CTSC
|
|
|
7484 |
P289A Polo the Penguin and Segments
|
0 / 0 |
普及-
|
|
|
7483 |
P289B Polo the Penguin and Matrix
|
0 / 0 |
普及-
|
|
|
7482 |
P290A Mysterious strings
|
0 / 0 |
普及-
|
|
|
7481 |
P290B QR code
|
0 / 0 |
普及
|
|
|
7480 |
P290C WTF?
|
0 / 0 |
普及
|
|
|
7479 |
P290D Orange
|
0 / 0 |
普及-
|
|
|
7476 |
P291A Spyke Talks
|
0 / 0 |
普及-
|
|
|
7475 |
P291B Command Line Arguments
|
0 / 0 |
普及-
|
|
|
7474 |
P291C Network Mask
|
0 / 0 |
普及
|
|
|
7471 |
P292A SMSC
|
0 / 0 |
普及-
|
|
|
7470 |
P292B Network Topology
|
0 / 0 |
普及-
|
|
|
7461 |
P294A Shaass and Oskols
|
0 / 0 |
普及-
|
|
|
7458 |
P294D Shaass and Painter Robot
|
0 / 0 |
NOI
|
|
|
7456 |
P295A Greg and Array
|
0 / 0 |
普及-
|
|
|
7444 |
P298A Snow Footprints
|
0 / 0 |
普及-
|
|
|
7443 |
P298B Sail
|
0 / 0 |
普及-
|
|
|
7441 |
P299B Ksusha the Squirrel
|
0 / 0 |
普及-
|
|
|
7440 |
P300A Array
|
0 / 0 |
普及-
|
|
|
7430 |
P302A Eugeny and Array
|
0 / 0 |
普及-
|
|
|
7429 |
P302B Eugeny and Play List
|
0 / 0 |
普及-
|
|
|
7428 |
P303A Lucky Permutation Triple
|
0 / 0 |
普及-
|
|
|
7427 |
P303B Rectangle Puzzle II
|
0 / 0 |
普及
|
|
|
7422 |
P304B Calendar
|
0 / 0 |
普及-
|
|
|
7421 |
P305A Strange Addition
|
0 / 0 |
普及
|
|
|
7420 |
P305B Continued Fractions
|
0 / 0 |
普及
|
|
|
7419 |
P305C Ivan and Powers of Two
|
0 / 0 |
普及
|
|
|
7416 |
P306A Candies
|
0 / 0 |
普及-
|
|
|
7407 |
P311A The Closest Pair
|
0 / 0 |
普及-
|
|
|
7402 |
P312A Whose sentence is it?
|
0 / 0 |
普及-
|
|
|
7400 |
P313A Ilya and Bank Account
|
0 / 0 |
普及-
|
|
|
7399 |
P313B Ilya and Queries
|
0 / 0 |
普及-
|
|
|
7398 |
P313C Ilya and Matrix
|
0 / 0 |
普及-
|
|
|
7395 |
P314A Sereja and Contest
|
0 / 0 |
普及
|
|
|
7389 |
P315B Sereja and Array
|
0 / 0 |
普及-
|
|
|
7376 |
P316F1 Suns and Rays
|
0 / 0 |
省选
|
|
|
7374 |
P316F3 Suns and Rays
|
0 / 0 |
省选
|
|
|
7369 |
P317B Ants
|
0 / 0 |
提高
|
|
|
7364 |
P318B Strings of Power
|
0 / 0 |
普及-
|
|
|
7362 |
P319B Psychos in a Line
|
0 / 0 |
普及
|
|
|
7356 |
P321A Ciel and Robot
|
0 / 0 |
普及
|
|
|
7346 |
P325A Square and Rectangles
|
0 / 0 |
普及
|
|
|
7341 |
P327A Flipping Game
|
0 / 0 |
普及-
|
|
|
7336 |
P328A IQ Test
|
0 / 0 |
普及
|
|
|
7329 |
P330A Cakeminator
|
0 / 0 |
普及-
|
|
|
7327 |
P331A1 Oh Sweet Beaverette
|
0 / 0 |
普及-
|
|
|
7325 |
P331B1 Shave Beaver!
|
0 / 0 |
普及
|
|
|
7320 |
P331D1 Escaping on Beaveractor
|
0 / 0 |
NOI
|
|
|
7318 |
P331D3 Escaping on Beaveractor
|
0 / 0 |
CTSC
|
|
|
7317 |
P331E1 Deja Vu
|
0 / 0 |
CTSC
|
|
|
7315 |
P332A Down the Hatch!
|
0 / 0 |
普及-
|
|
|
7314 |
P332B Maximum Absurdity
|
0 / 0 |
普及
|
|
|
7311 |
P332E Binary Key
|
0 / 0 |
NOI
|
|
|
7307 |
P333D Characteristics of Rectangles
|
0 / 0 |
提高
|
|
|
7305 |
P334A Candy Bags
|
0 / 0 |
普及-
|
|
|
7297 |
P336A Vasily the Bear and Triangle
|
0 / 0 |
普及-
|
|
|
7295 |
P336C Vasily the Bear and Sequence
|
0 / 0 |
普及
|
|
|
7293 |
P336E Vasily the Bear and Painting Square
|
0 / 0 |
CTSC
|
|
|
7285 |
P339A Helpful Maths
|
0 / 0 |
普及-
|
|
|
7284 |
P339B Xenia and Ringroad
|
0 / 0 |
普及-
|
|
|
7278 |
P340C Tourist Problem
|
0 / 0 |
普及
|
|
|
7273 |
P342A Xenia and Divisors
|
0 / 0 |
普及-
|
|
|
7272 |
P342B Xenia and Spies
|
0 / 0 |
普及
|
|
|
7267 |
P343B Alternating Current
|
0 / 0 |
普及
|
|
|
7263 |
P344A Magnets
|
0 / 0 |
普及-
|
|
|
7249 |
P347A Difference Row
|
0 / 0 |
普及-
|
