|
|
5394 |
P798E Mike and code of a permutation
|
0 / 0 |
CTSC
|
|
|
5385 |
P801B Valued Keys
|
0 / 0 |
普及-
|
|
|
5377 |
P802H Fake News (medium)
|
0 / 0 |
省选
|
|
|
5369 |
P803A Maximal Binary Matrix
|
0 / 0 |
普及-
|
|
|
5368 |
P803B Distances to Zero
|
0 / 0 |
普及-
|
|
|
5367 |
P803C Maximal GCD
|
0 / 0 |
普及
|
|
|
5362 |
P804A Find Amir
|
0 / 0 |
普及-
|
|
|
5360 |
P804C Ice cream coloring
|
0 / 0 |
省选
|
|
|
5358 |
P804E The same permutation
|
0 / 0 |
CTSC
|
|
|
5355 |
P805B 3-palindrome
|
0 / 0 |
普及-
|
|
|
5350 |
P808C Tea Party
|
0 / 0 |
普及-
|
|
|
5335 |
P811D Vladik and Favorite Game
|
0 / 0 |
提高
|
|
|
5322 |
P814A An abandoned sentiment from past
|
0 / 0 |
普及-
|
|
|
5321 |
P814B An express train to reveries
|
0 / 0 |
普及-
|
|
|
5316 |
P815B Karen and Test
|
0 / 0 |
省选
|
|
|
5313 |
P815E Karen and Neighborhood
|
0 / 0 |
CTSC
|
|
|
5293 |
P819E Mister B and Flight to the Moon
|
0 / 0 |
CTSC
|
|
|
5291 |
P820B Mister B and Angle in Polygon
|
0 / 0 |
普及-
|
|
|
5280 |
P822F Madness
|
0 / 0 |
NOI
|
|
|
5271 |
P827B High Load
|
0 / 0 |
普及
|
|
|
5260 |
P830E Perpetual Motion Machine
|
0 / 0 |
CTSC
|
|
|
5257 |
P831C Jury Marks
|
0 / 0 |
普及
|
|
|
5240 |
P835E The penguin's game
|
0 / 0 |
NOI
|
|
|
5219 |
P840B Leha and another game about graph
|
0 / 0 |
提高
|
|
|
5206 |
P843C Upgrading Tree
|
0 / 0 |
CTSC
|
|
|
5186 |
P847C Sum of Nestings
|
0 / 0 |
普及
|
|
|
5185 |
P847D Dog Show
|
0 / 0 |
省选
|
|
|
5177 |
P847L Berland SU Computer Network
|
0 / 0 |
NOI
|
|
|
5175 |
P848A From Y to Y
|
0 / 0 |
普及
|
|
|
5174 |
P848B Rooter's Song
|
0 / 0 |
普及
|
|
|
5165 |
P850D Tournament Construction
|
0 / 0 |
CTSC
|
|
|
5146 |
P854A Fraction
|
0 / 0 |
普及-
|
|
|
5145 |
P854B Maxim Buys an Apartment
|
0 / 0 |
普及-
|
|
|
5137 |
P856A Set Theory
|
0 / 0 |
普及
|
|
|
5126 |
P858F Wizard's Tour
|
0 / 0 |
省选
|
|
|
5115 |
P862C Mahmoud and Ehab and the xor
|
0 / 0 |
普及
|
|
|
5098 |
P865A Save the problem!
|
0 / 0 |
普及-
|
|
|
5095 |
P865D Buy Low Sell High
|
0 / 0 |
NOI
|
|
|
5088 |
P868C Qualification Rounds
|
0 / 0 |
普及
|
|
|
5068 |
P873D Merge Sort
|
0 / 0 |
普及
|
|
|
5055 |
P877C Slava and tanks
|
0 / 0 |
普及
|
|
|
5051 |
P878A Short Program
|
0 / 0 |
普及
|
|
|
5043 |
P883B Berland Army
|
0 / 0 |
CTSC
|
|
|
5035 |
P883J Renovation
|
0 / 0 |
NOI
|
|
|
5034 |
P883K Road Widening
|
0 / 0 |
普及
|
|
|
5022 |
P886D Restoration of string
|
0 / 0 |
提高
|
|
|
5007 |
P888G Xor-MST
|
0 / 0 |
省选
|
|
|
5004 |
P891B Gluttony
|
0 / 0 |
提高
|
|
|
4991 |
P894B Ralph And His Magic Field
|
0 / 0 |
普及
|
|
|
4990 |
P894C Marco and GCD Sequence
|
0 / 0 |
普及
|
|
|
4981 |
P896B Ithea Plays With Chtholly
|
0 / 0 |
提高
|
|
|
4971 |
P898E Squares and not squares
|
0 / 0 |
普及
|
|
|
4969 |
P899A Splitting in Teams
|
0 / 0 |
普及-
|
|
|
4967 |
P899C Dividing the numbers
|
0 / 0 |
普及-
|
|
|
4966 |
P899D Shovel Sale
|
0 / 0 |
普及
|
|
|
4958 |
P901A Hashing Trees
|
0 / 0 |
普及
|
|
|
4957 |
P901B GCD of Polynomials
|
0 / 0 |
省选
|
|
|
4955 |
P901D Weighting a Tree
|
0 / 0 |
CTSC
|
|
|
4943 |
P906B Seating of Students
|
0 / 0 |
省选
|
|
|
4928 |
P909B Segments
|
0 / 0 |
普及-
|
|
|
4924 |
P909F AND-permutations
|
0 / 0 |
NOI
|
|
|
4921 |
P910C Minimum Sum
|
0 / 0 |
普及
|
|
|
4918 |
P911C Three Garlands
|
0 / 0 |
普及-
|
|
|
4916 |
P911E Stack Sorting
|
0 / 0 |
提高
|
|
|
4915 |
P911F Tree Destruction
|
0 / 0 |
NOI
|
|
|
4912 |
P912B New Year's Eve
|
0 / 0 |
普及-
|
|
|
4883 |
P916C Jamie and Interesting Graph
|
0 / 0 |
普及
|
|
|
4841 |
P922F Divisibility
|
0 / 0 |
NOI
|
|
|
4837 |
P923D Picking Strings
|
0 / 0 |
NOI
|
|
|
4835 |
P923F Public Service
|
0 / 0 |
CTSC
|
|
|
4826 |
P925C Big Secret
|
0 / 0 |
省选
|
|
|
4825 |
P925D Aztec Catacombs
|
0 / 0 |
CTSC
|
|
|
4818 |
P926E Merge Equal Elements
|
0 / 0 |
普及
|
|
|
4801 |
P931B World Cup
|
0 / 0 |
普及-
|
|
|
4799 |
P932A Palindromic Supersequence
|
0 / 0 |
普及-
|
|
|
4797 |
P932C Permutation Cycle
|
0 / 0 |
普及
|
|
|
4788 |
P933E A Preponderant Reunion
|
0 / 0 |
CTSC
|
|
|
4786 |
P934B A Prosperous Lot
|
0 / 0 |
普及-
|
|
|
4777 |
P936C Lock Puzzle
|
0 / 0 |
省选
|
|
|
4771 |
P938C Constructing Tests
|
0 / 0 |
普及
|
|
|
4758 |
P940C Phone Numbers
|
0 / 0 |
普及
|
|
|
4745 |
P949B A Leapfrog in the Array
|
0 / 0 |
普及
|
|
|
4732 |
P952G Puzzling Language
|
0 / 0 |
省选
|
|
|
4697 |
P959C Mahmoud and Ehab and the wrong algorithm
|
0 / 0 |
普及
|
|
|
4696 |
P959D Mahmoud and Ehab and another array construction task
|
0 / 0 |
普及
|
|
|
4691 |
P960C Subsequence Counting
|
0 / 0 |
普及
|
|
|
4677 |
P962B Students in Railway Carriage
|
0 / 0 |
普及-
|
|
|
4674 |
P962E Byteland, Berland and Disputed Cities
|
0 / 0 |
省选
|
|
|
4670 |
P963B Destruction of a Tree
|
0 / 0 |
提高
|
|
|
4649 |
P976D Degree Set
|
0 / 0 |
NOI
|
|
|
4627 |
P980B Marlin
|
0 / 0 |
普及
|
|
|
4614 |
P982A Row
|
0 / 0 |
普及-
|
|
|
4598 |
P985D Sand Fortress
|
0 / 0 |
提高
|
|
|
4578 |
P989B A Tide of Riverscape
|
0 / 0 |
普及-
|
|
|
4577 |
P989C A Mist of Florescence
|
0 / 0 |
普及
|
|
|
4571 |
P990D Graph And Its Complement
|
0 / 0 |
普及
|
|
|
4548 |
P995A Tesla
|
0 / 0 |
提高
|
|
|
4535 |
P998A Balloons
|
0 / 0 |
普及-
|
|
|
4495 |
P1003B Binary String Constructing
|
0 / 0 |
普及-
|
|
|
4492 |
P1003E Tree Constructing
|
0 / 0 |
提高
|
