|
|
5334 |
P811E Vladik and Entertaining Flags
|
0 / 0 |
CTSC
|
|
|
5324 |
P813E Army Creation
|
0 / 0 |
省选
|
|
|
5323 |
P813F Bipartite Checking
|
0 / 0 |
NOI
|
|
|
5314 |
P815D Karen and Cards
|
0 / 0 |
CTSC
|
|
|
5311 |
P816B Karen and Coffee
|
0 / 0 |
普及-
|
|
|
5307 |
P817D Imbalanced Array
|
0 / 0 |
普及
|
|
|
5306 |
P817E Choosing The Commander
|
0 / 0 |
提高
|
|
|
5305 |
P817F MEX Queries
|
0 / 0 |
省选
|
|
|
5301 |
P818D Multicolored Cars
|
0 / 0 |
普及
|
|
|
5300 |
P818E Card Game Again
|
0 / 0 |
普及
|
|
|
5296 |
P819B Mister B and PR Shifts
|
0 / 0 |
普及
|
|
|
5288 |
P821C Okabe and Boxes
|
0 / 0 |
普及
|
|
|
5275 |
P825E Minimal Labels
|
0 / 0 |
省选
|
|
|
5272 |
P827A String Reconstruction
|
0 / 0 |
普及
|
|
|
5270 |
P827C DNA Evolution
|
0 / 0 |
提高
|
|
|
5269 |
P827D Best Edge Weight
|
0 / 0 |
CTSC
|
|
|
5267 |
P827F Dirty Arkady's Kitchen
|
0 / 0 |
CTSC
|
|
|
5263 |
P830B Cards Sorting
|
0 / 0 |
普及
|
|
|
5262 |
P830C Bamboo Partition
|
0 / 0 |
省选
|
|
|
5250 |
P833B The Bakery
|
0 / 0 |
省选
|
|
|
5248 |
P833D Red-Black Cobweb
|
0 / 0 |
CTSC
|
|
|
5247 |
P833E Caramel Clouds
|
0 / 0 |
CTSC
|
|
|
5245 |
P834B The Festive Evening
|
0 / 0 |
普及-
|
|
|
5232 |
P837G Functions On The Segments
|
0 / 0 |
NOI
|
|
|
5230 |
P838B Diverging Directions
|
0 / 0 |
提高
|
|
|
5219 |
P840B Leha and another game about graph
|
0 / 0 |
提高
|
|
|
5217 |
P840D Destiny
|
0 / 0 |
NOI
|
|
|
5210 |
P842D Vitya and Strange Lesson
|
0 / 0 |
提高
|
|
|
5199 |
P845C Two TVs
|
0 / 0 |
普及
|
|
|
5198 |
P845D Driving Test
|
0 / 0 |
普及
|
|
|
5197 |
P845E Fire in the City
|
0 / 0 |
NOI
|
|
|
5192 |
P846C Four Segments
|
0 / 0 |
普及
|
|
|
5191 |
P846D Monitor
|
0 / 0 |
普及
|
|
|
5189 |
P846F Random Query
|
0 / 0 |
普及
|
|
|
5187 |
P847B Preparing for Merge Sort
|
0 / 0 |
普及
|
|
|
5185 |
P847D Dog Show
|
0 / 0 |
省选
|
|
|
5174 |
P848B Rooter's Song
|
0 / 0 |
普及
|
|
|
5173 |
P848C Goodbye Souvenir
|
0 / 0 |
CTSC
|
|
|
5149 |
P853C Boredom
|
0 / 0 |
提高
|
|
|
5147 |
P853E Lada Malina
|
0 / 0 |
CTSC
|
|
|
5143 |
P855B Marvolo Gaunt's Ring
|
0 / 0 |
普及
|
|
|
5139 |
P855F Nagini
|
0 / 0 |
CTSC
|
|
|
5128 |
P858D Polycarp's phone book
|
0 / 0 |
普及
|
|
|
5118 |
P860E Arkady and a Nobody-men
|
0 / 0 |
CTSC
|
|
|
5113 |
P862E Mahmoud and Ehab and the function
|
0 / 0 |
提高
|
|
|
5112 |
P862F Mahmoud and Ehab and the final stage
|
0 / 0 |
CTSC
|
|
|
5108 |
P863D Yet Another Array Queries Problem
|
0 / 0 |
普及
|
|
|
5107 |
P863E Turn Off The TV
|
0 / 0 |
提高
|
|
|
5095 |
P865D Buy Low Sell High
|
0 / 0 |
NOI
|
|
|
5079 |
P869E The Untended Antiquity
|
0 / 0 |
NOI
|
|
|
5073 |
P870F Paths
|
0 / 0 |
CTSC
|
|
|
5067 |
P873E Awards For Contestants
|
0 / 0 |
省选
|
|
|
5062 |
P875D High Cry
|
0 / 0 |
省选
|
|
|
5061 |
P875E Delivery Club
|
0 / 0 |
CTSC
|
|
|
5054 |
P877D Olya and Energy Drinks
|
0 / 0 |
提高
|
|
|
5053 |
P877E Danil and a Part-time Job
|
0 / 0 |
提高
|
|
|
5052 |
P877F Ann and Books
|
0 / 0 |
省选
|
|
|
5050 |
P878B Teams Formation
|
0 / 0 |
省选
|
|
|
5049 |
P878C Tournament
|
0 / 0 |
CTSC
|
|
|
5045 |
P879B Table Tennis
|
0 / 0 |
普及-
|
|
|
5033 |
P883L Berland.Taxi
|
0 / 0 |
NOI
|
|
|
5028 |
P884D Boxes And Balls
|
0 / 0 |
省选
|
|
|
5016 |
P887D Ratings and Reality Shows
|
0 / 0 |
NOI
|
|
|
5007 |
P888G Xor-MST
|
0 / 0 |
省选
|
|
|
5003 |
P891C Envy
|
0 / 0 |
省选
|
|
|
4995 |
P893D Credit Card
|
0 / 0 |
普及
|
|
|
4993 |
P893F Subtree Minimum Query
|
0 / 0 |
省选
|
|
|
4989 |
P894D Ralph And His Tour in Binary Country
|
0 / 0 |
省选
|
|
|
4983 |
P895E Eyes Closed
|
0 / 0 |
省选
|
|
|
4980 |
P896C Willem, Chtholly and Seniorious
|
0 / 0 |
CTSC
|
|
|
4978 |
P896E Welcome home, Chtholly
|
0 / 0 |
CTSC
|
|
|
4965 |
P899E Segments Removal
|
0 / 0 |
提高
|
|
|
4964 |
P899F Letters Removing
|
0 / 0 |
提高
|
|
|
4961 |
P900C Remove Extra One
|
0 / 0 |
普及
|
|
|
4959 |
P900E Maximum Questions
|
0 / 0 |
提高
|
|
|
4956 |
P901C Bipartite Segments
|
0 / 0 |
省选
|
|
|
4948 |
P903D Almost Difference
|
0 / 0 |
省选
|
|
|
4945 |
P903G Yet Another Maxflow Problem
|
0 / 0 |
CTSC
|
|
|
4926 |
P909D Colorful Points
|
0 / 0 |
提高
|
|
|
4916 |
P911E Stack Sorting
|
0 / 0 |
提高
|
|
|
4914 |
P911G Mass Change Queries
|
0 / 0 |
NOI
|
|
|
4910 |
P912D Fishes
|
0 / 0 |
提高
|
|
|
4905 |
P913D Too Easy Problems
|
0 / 0 |
普及
|
|
|
4897 |
P914D Bash and a Tough Math Puzzle
|
0 / 0 |
普及
|
|
|
4896 |
P914E Palindromes in a Tree
|
0 / 0 |
NOI
|
|
|
4895 |
P914F Substrings in a String
|
0 / 0 |
CTSC
|
|
|
4888 |
P915E Physical Education Lessons
|
0 / 0 |
省选
|
|
|
4887 |
P915F Imbalance Value of a Tree
|
0 / 0 |
NOI
|
|
|
4882 |
P916D Jamie and To-do List
|
0 / 0 |
省选
|
|
|
4881 |
P916E Jamie and Tree
|
0 / 0 |
NOI
|
|
|
4876 |
P917E Upside Down
|
0 / 0 |
CTSC
|
|
|
4863 |
P920E Connected Components?
|
0 / 0 |
提高
|
|
|
4862 |
P920F SUM and REPLACE
|
0 / 0 |
提高
|
|
|
4839 |
P923B Producing Snow
|
0 / 0 |
普及
|
|
|
4838 |
P923C Perfect Security
|
0 / 0 |
普及
|
|
|
4832 |
P924C Riverside Curio
|
0 / 0 |
普及
|
|
|
4824 |
P925E May Holidays
|
0 / 0 |
CTSC
|
|
|
4818 |
P926E Merge Equal Elements
|
0 / 0 |
普及
|
|
|
4813 |
P926J Segments
|
0 / 0 |
提高
|
|
|
4805 |
P930C Teodor is not a liar!
|
0 / 0 |
普及
|
