|
5618 |
P748D Santa Claus and a Palindrome
|
0 / 0 |
提高
|
|
5617 |
P748E Santa Claus and Tangerines
|
0 / 0 |
提高
|
|
5615 |
P749A Bachgold Problem
|
0 / 0 |
普及-
|
|
5613 |
P749C Voting
|
0 / 0 |
普及
|
|
5608 |
P750C New Year and Rating
|
0 / 0 |
普及
|
|
5602 |
P753A Santa Claus and Candies
|
0 / 0 |
普及-
|
|
5599 |
P754A Lesha and array splitting
|
0 / 0 |
普及-
|
|
5596 |
P754D Fedor and coupons
|
0 / 0 |
提高
|
|
5593 |
P755B PolandBall and Game
|
0 / 0 |
普及-
|
|
5589 |
P755F PolandBall and Gifts
|
0 / 0 |
CTSC
|
|
5580 |
P757B Bash's Big Day
|
0 / 0 |
普及-
|
|
5571 |
P758D Ability To Convert
|
0 / 0 |
提高
|
|
5570 |
P758E Broken Tree
|
0 / 0 |
CTSC
|
|
5567 |
P760B Frodo and pillows
|
0 / 0 |
普及
|
|
5563 |
P761D Dasha and Very Difficult Problem
|
0 / 0 |
普及
|
|
5562 |
P761E Dasha and Puzzle
|
0 / 0 |
提高
|
|
5559 |
P762B USB vs
|
0 / 0 |
普及-
|
|
5557 |
P762D Maximum path
|
0 / 0 |
省选
|
|
5546 |
P765B Code obfuscation
|
0 / 0 |
普及-
|
|
5543 |
P765E Tree Folding
|
0 / 0 |
省选
|
|
5539 |
P766B Mahmoud and a Triangle
|
0 / 0 |
普及-
|
|
5538 |
P766C Mahmoud and a Message
|
0 / 0 |
普及
|
|
5534 |
P767B The Queue
|
0 / 0 |
提高
|
|
5533 |
P767C Garland
|
0 / 0 |
提高
|
|
5532 |
P767D Cartons of milk
|
0 / 0 |
提高
|
|
5531 |
P767E Change-free
|
0 / 0 |
NOI
|
|
5522 |
P769B News About Credit
|
0 / 0 |
普及-
|
|
5521 |
P769C Cycle In Maze
|
0 / 0 |
普及
|
|
5514 |
P771B Bear and Different Names
|
0 / 0 |
普及
|
|
5511 |
P771E Bear and Rectangle Strips
|
0 / 0 |
CTSC
|
|
5503 |
P773B Dynamic Problem Scoring
|
0 / 0 |
提高
|
|
5502 |
P773C Prairie Partition
|
0 / 0 |
省选
|
|
5496 |
P774C Maximum Number
|
0 / 0 |
普及-
|
|
5477 |
P777B Game of Credit Cards
|
0 / 0 |
普及-
|
|
5476 |
P777C Alyona and Spreadsheet
|
0 / 0 |
普及
|
|
5475 |
P777D Cloud of Hashtags
|
0 / 0 |
普及
|
|
5474 |
P777E Hanoi Factory
|
0 / 0 |
提高
|
|
5473 |
P778A String Game
|
0 / 0 |
普及
|
|
5467 |
P779B Weird Rounding
|
0 / 0 |
普及-
|
|
5466 |
P779C Dishonest Sellers
|
0 / 0 |
普及-
|
|
5463 |
P780C Andryusha and Colored Balloons
|
0 / 0 |
普及
|
|
5462 |
P780D Innokenty and a Football League
|
0 / 0 |
普及
|
|
5449 |
P785B Anton and Classes
|
0 / 0 |
普及-
|
|
5439 |
P787B Not Afraid
|
0 / 0 |
普及-
|
|
5428 |
P792C Divide by Three
|
0 / 0 |
提高
|
|
5426 |
P792E Colored Balls
|
0 / 0 |
NOI
|
|
5415 |
P794C Naming Company
|
0 / 0 |
普及
|
|
5405 |
P796F Sequence Recovery
|
0 / 0 |
CTSC
|
|
5403 |
P797B Odd sum
|
0 / 0 |
普及-
|
|
5402 |
P797C Minimal string
|
0 / 0 |
普及
|
|
5399 |
P797F Mice and Holes
|
0 / 0 |
CTSC
|
|
5396 |
P798C Mike and gcd problem
|
0 / 0 |
普及
|
|
5389 |
P799E Aquarium decoration
|
0 / 0 |
NOI
|
|
5385 |
P801B Valued Keys
|
0 / 0 |
普及-
|
|
5384 |
P802A Heidi and Library (easy)
|
0 / 0 |
普及
|
|
5383 |
P802B Heidi and Library (medium)
|
0 / 0 |
普及
|
|
5372 |
P802M April Fools' Problem (easy)
|
0 / 0 |
普及-
|
|
5367 |
P803C Maximal GCD
|
0 / 0 |
普及
|
|
5366 |
P803D Magazine Ad
|
0 / 0 |
普及
|
|
5362 |
P804A Find Amir
|
0 / 0 |
普及-
|
|
5361 |
P804B Minimum number of steps
|
0 / 0 |
普及-
|
|
5360 |
P804C Ice cream coloring
|
0 / 0 |
省选
|
|
5356 |
P805A Fake NP
|
0 / 0 |
普及-
|
|
5350 |
P808C Tea Party
|
0 / 0 |
普及-
|
|
5348 |
P808E Selling Souvenirs
|
0 / 0 |
省选
|
|
5339 |
P810B Summer sell-off
|
0 / 0 |
普及-
|
|
5322 |
P814A An abandoned sentiment from past
|
0 / 0 |
普及-
|
|
5319 |
P814D An overnight dance in discotheque
|
0 / 0 |
提高
|
|
5317 |
P815A Karen and Game
|
0 / 0 |
普及
|
|
5297 |
P819A Mister B and Boring Game
|
0 / 0 |
省选
|
|
5288 |
P821C Okabe and Boxes
|
0 / 0 |
普及
|
|
5283 |
P822C Hacker, pack your bags!
|
0 / 0 |
普及
|
|
5282 |
P822D My pretty girl Noora
|
0 / 0 |
普及
|
|
5277 |
P825C Multi-judge Solving
|
0 / 0 |
普及
|
|
5276 |
P825D Suitable Replacement
|
0 / 0 |
普及
|
|
5275 |
P825E Minimal Labels
|
0 / 0 |
省选
|
|
5272 |
P827A String Reconstruction
|
0 / 0 |
普及
|
|
5271 |
P827B High Load
|
0 / 0 |
普及
|
|
5264 |
P830A Office Keys
|
0 / 0 |
普及
|
|
5249 |
P833C Ever-Hungry Krakozyabra
|
0 / 0 |
CTSC
|
|
5243 |
P835B The number on the board
|
0 / 0 |
普及-
|
|
5224 |
P839B Game of the Rows
|
0 / 0 |
普及
|
|
5220 |
P840A Leha and Function
|
0 / 0 |
普及-
|
|
5203 |
P844A Diversity
|
0 / 0 |
普及-
|
|
5200 |
P845B Luba And The Ticket
|
0 / 0 |
普及
|
|
5199 |
P845C Two TVs
|
0 / 0 |
普及
|
|
5198 |
P845D Driving Test
|
0 / 0 |
普及
|
|
5193 |
P846B Math Show
|
0 / 0 |
普及
|
|
5190 |
P846E Chemistry in Berland
|
0 / 0 |
省选
|
|
5185 |
P847D Dog Show
|
0 / 0 |
省选
|
|
5183 |
P847F Berland Elections
|
0 / 0 |
提高
|
|
5181 |
P847H Load Testing
|
0 / 0 |
普及
|
|
5178 |
P847K Travel Cards
|
0 / 0 |
普及
|
|
5165 |
P850D Tournament Construction
|
0 / 0 |
CTSC
|
|
5158 |
P852C Property
|
0 / 0 |
提高
|
|
5151 |
P853A Planning
|
0 / 0 |
普及
|
|
5150 |
P853B Jury Meeting
|
0 / 0 |
普及
|
|
5148 |
P853D Michael and Charging Stations
|
0 / 0 |
NOI
|
|
5132 |
P856F To Play or not to Play
|
0 / 0 |
CTSC
|
|
5129 |
P858C Did you mean...
|
0 / 0 |
普及
|