|
6732 |
P476B Dreamoon and WiFi
|
0 / 0 |
普及-
|
|
6731 |
P476C Dreamoon and Sums
|
0 / 0 |
普及
|
|
6730 |
P476D Dreamoon and Sets
|
0 / 0 |
普及
|
|
6725 |
P478B Random Teams
|
0 / 0 |
普及-
|
|
6721 |
P479A Expression
|
0 / 0 |
普及-
|
|
6709 |
P483A Counterexample
|
0 / 0 |
普及-
|
|
6708 |
P483B Friends and Presents
|
0 / 0 |
普及
|
|
6706 |
P484B Maximum Value
|
0 / 0 |
提高
|
|
6705 |
P484C Strange Sorting
|
0 / 0 |
CTSC
|
|
6702 |
P485A Factory
|
0 / 0 |
普及-
|
|
6700 |
P486A Calculating Function
|
0 / 0 |
普及-
|
|
6697 |
P486D Valid Sets
|
0 / 0 |
提高
|
|
6696 |
P486E LIS of Sequence
|
0 / 0 |
省选
|
|
6693 |
P487C Prefix Product Sequence
|
0 / 0 |
省选
|
|
6689 |
P488B Candy Boxes
|
0 / 0 |
普及
|
|
6680 |
P490C Hacking Cypher
|
0 / 0 |
普及
|
|
6679 |
P490D Chocolate
|
0 / 0 |
普及
|
|
6675 |
P491B New York Hotel
|
0 / 0 |
提高
|
|
6672 |
P492B Vanya and Lanterns
|
0 / 0 |
普及-
|
|
6670 |
P492D Vanya and Computer Game
|
0 / 0 |
普及
|
|
6669 |
P492E Vanya and Field
|
0 / 0 |
提高
|
|
6665 |
P493D Vasya and Chess
|
0 / 0 |
普及
|
|
6664 |
P493E Vasya and Polynomial
|
0 / 0 |
CTSC
|
|
6657 |
P495B Modular Equations
|
0 / 0 |
普及
|
|
6656 |
P496A Minimum Difficulty
|
0 / 0 |
普及-
|
|
6641 |
P500B New Year Permutation
|
0 / 0 |
普及
|
|
6640 |
P500C New Year Book Reading
|
0 / 0 |
普及
|
|
6620 |
P507B Amr and Pins
|
0 / 0 |
普及-
|
|
6619 |
P507C Guess Your Way Out!
|
0 / 0 |
普及
|
|
6615 |
P508B Anton and currency you all know
|
0 / 0 |
普及-
|
|
6608 |
P509D Restoring Numbers
|
0 / 0 |
省选
|
|
6607 |
P509E Pretty Song
|
0 / 0 |
提高
|
|
6602 |
P510D Fox And Jumping
|
0 / 0 |
普及
|
|
6598 |
P513A Game
|
0 / 0 |
普及-
|
|
6596 |
P513B2 Permutations
|
0 / 0 |
普及
|
|
6584 |
P514B Han Solo and Lazer Gun
|
0 / 0 |
普及-
|
|
6580 |
P515A Drazil and Date
|
0 / 0 |
普及-
|
|
6578 |
P515C Drazil and Factorial
|
0 / 0 |
普及-
|
|
6574 |
P516E Drazil and His Happy Friends
|
0 / 0 |
CTSC
|
|
6570 |
P518D Ilya and Escalator
|
0 / 0 |
普及
|
|
6569 |
P518E Arthur and Questions
|
0 / 0 |
省选
|
|
6565 |
P519C A and B and Team Training
|
0 / 0 |
普及-
|
|
6561 |
P520B Two Buttons
|
0 / 0 |
普及-
|
|
6560 |
P520C DNA Alignment
|
0 / 0 |
普及
|
|
6558 |
P520E Pluses everywhere
|
0 / 0 |
省选
|
|
6542 |
P525B Pasha and String
|
0 / 0 |
普及-
|
|
6541 |
P525C Ilya and Sticks
|
0 / 0 |
普及
|
|
6539 |
P525E Anya and Cubes
|
0 / 0 |
提高
|
|
6536 |
P526C Om Nom and Candies
|
0 / 0 |
提高
|
|
6531 |
P527A Playing with Paper
|
0 / 0 |
普及-
|
|
6512 |
P533C Board Game
|
0 / 0 |
普及
|
|
6508 |
P534A Exam
|
0 / 0 |
普及-
|
|
6507 |
P534B Covered Path
|
0 / 0 |
普及-
|
|
6506 |
P534C Polycarpus' Dice
|
0 / 0 |
普及
|
|
6500 |
P535C Tavas and Karafs
|
0 / 0 |
普及
|
|
6498 |
P535E Tavas and Pashmaks
|
0 / 0 |
CTSC
|
|
6493 |
P538C Tourist's Notes
|
0 / 0 |
普及
|
|
6491 |
P538E Demiurges Play Again
|
0 / 0 |
省选
|
|
6490 |
P538F A Heap of Heaps
|
0 / 0 |
省选
|
|
6489 |
P538G Berserk Robot
|
0 / 0 |
CTSC
|
|
6480 |
P542C Idempotent functions
|
0 / 0 |
提高
|
|
6479 |
P542D Superhero's Job
|
0 / 0 |
CTSC
|
|
6464 |
P546A Soldier and Bananas
|
0 / 0 |
普及-
|
|
6461 |
P546D Soldier and Number Game
|
0 / 0 |
普及
|
|
6460 |
P546E Soldier and Traveling
|
0 / 0 |
提高
|
|
6459 |
P547A Mike and Frog
|
0 / 0 |
省选
|
|
6457 |
P547C Mike and Foam
|
0 / 0 |
省选
|
|
6448 |
P549E Sasha Circle
|
0 / 0 |
CTSC
|
|
6445 |
P549H Degenerate Matrix
|
0 / 0 |
提高
|
|
6442 |
P550C Divisibility by Eight
|
0 / 0 |
普及
|
|
6440 |
P550E Brackets in Implications
|
0 / 0 |
省选
|
|
6436 |
P551D GukiZ and Binary Operations
|
0 / 0 |
提高
|
|
6434 |
P552A Vanya and Table
|
0 / 0 |
普及-
|
|
6433 |
P552B Vanya and Books
|
0 / 0 |
普及-
|
|
6432 |
P552C Vanya and Scales
|
0 / 0 |
普及
|
|
6431 |
P552D Vanya and Triangles
|
0 / 0 |
普及
|
|
6429 |
P553A Kyoya and Colored Balls
|
0 / 0 |
普及
|
|
6428 |
P553B Kyoya and Permutation
|
0 / 0 |
普及
|
|
6425 |
P553E Kyoya and Train
|
0 / 0 |
CTSC
|
|
6424 |
P554A Kyoya and Photobooks
|
0 / 0 |
普及-
|
|
6419 |
P555D Case of a Top Secret
|
0 / 0 |
NOI
|
|
6415 |
P557A Ilya and Diplomas
|
0 / 0 |
普及-
|
|
6414 |
P557B Pasha and Tea
|
0 / 0 |
普及
|
|
6413 |
P557C Arthur and Table
|
0 / 0 |
普及
|
|
6412 |
P557D Vitaly and Cycle
|
0 / 0 |
提高
|
|
6408 |
P558C Amr and Chemistry
|
0 / 0 |
普及
|
|
6405 |
P559A Gerald's Hexagon
|
0 / 0 |
普及
|
|
6403 |
P559C Gerald and Giant Chess
|
0 / 0 |
省选
|
|
6393 |
P566F Clique in the Divisibility Graph
|
0 / 0 |
普及
|
|
6385 |
P568A Primes or Palindromes?
|
0 / 0 |
普及
|
|
6384 |
P568B Symmetric and Transitive
|
0 / 0 |
普及
|
|
6382 |
P568D Sign Posts
|
0 / 0 |
CTSC
|
|
6380 |
P569A Music
|
0 / 0 |
普及
|
|
6379 |
P569B Inventory
|
0 / 0 |
普及-
|
|
6377 |
P570B Simple Game
|
0 / 0 |
普及-
|
|
6373 |
P571A Lengthening Sticks
|
0 / 0 |
提高
|
|
6369 |
P571E Geometric Progressions
|
0 / 0 |
CTSC
|
|
6366 |
P573A Bear and Poker
|
0 / 0 |
普及-
|
|
6365 |
P573B Bear and Blocks
|
0 / 0 |
普及
|
|
6359 |
P575A Fibonotci
|
0 / 0 |
CTSC
|