|
|
6717 |
P479E Riding in a Lift
|
0 / 0 |
普及
|
|
|
6711 |
P482D Random Function and Tree
|
0 / 0 |
CTSC
|
|
|
6685 |
P489D Unbearable Controversy of Being
|
0 / 0 |
普及
|
|
|
6683 |
P489F Special Matrices
|
0 / 0 |
提高
|
|
|
6639 |
P500D New Year Santa Network
|
0 / 0 |
普及
|
|
|
6631 |
P501E Misha and Palindrome Degree
|
0 / 0 |
NOI
|
|
|
6622 |
P506E Mr
|
0 / 0 |
CTSC
|
|
|
6570 |
P518D Ilya and Escalator
|
0 / 0 |
普及
|
|
|
6568 |
P518F Pasha and Pipe
|
0 / 0 |
省选
|
|
|
6558 |
P520E Pluses everywhere
|
0 / 0 |
省选
|
|
|
6501 |
P535B Tavas and SaDDas
|
0 / 0 |
普及-
|
|
|
6457 |
P547C Mike and Foam
|
0 / 0 |
省选
|
|
|
6436 |
P551D GukiZ and Binary Operations
|
0 / 0 |
提高
|
|
|
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
|
|
|
6412 |
P557D Vitaly and Cycle
|
0 / 0 |
提高
|
|
|
6403 |
P559C Gerald and Giant Chess
|
0 / 0 |
省选
|
|
|
6402 |
P559D Randomizer
|
0 / 0 |
CTSC
|
|
|
6384 |
P568B Symmetric and Transitive
|
0 / 0 |
普及
|
|
|
6374 |
P570E Pig and Palindromes
|
0 / 0 |
省选
|
|
|
6373 |
P571A Lengthening Sticks
|
0 / 0 |
提高
|
|
|
6352 |
P575H Bots
|
0 / 0 |
普及
|
|
|
6344 |
P577B Modulo Sum
|
0 / 0 |
普及
|
|
|
6316 |
P584B Kolya and Tanya
|
0 / 0 |
普及
|
|
|
6308 |
P585E Present for Vitalik the Philatelist
|
0 / 0 |
CTSC
|
|
|
6270 |
P596C Wilbur and Points
|
0 / 0 |
普及
|
|
|
6239 |
P603B Moodular Arithmetic
|
0 / 0 |
普及
|
|
|
6220 |
P608B Hamming Distance Sum
|
0 / 0 |
普及
|
|
|
6213 |
P610A Pasha and Stick
|
0 / 0 |
普及-
|
|
|
6196 |
P612E Square Root of Permutation
|
0 / 0 |
省选
|
|
|
6175 |
P617B Chocolate
|
0 / 0 |
普及-
|
|
|
6157 |
P621B Wet Shark and Bishops
|
0 / 0 |
普及-
|
|
|
6156 |
P621C Wet Shark and Flowers
|
0 / 0 |
普及
|
|
|
6143 |
P623E Transforming Sequence
|
0 / 0 |
CTSC
|
|
|
6132 |
P626D Jerry's Protest
|
0 / 0 |
普及
|
|
|
6116 |
P629A Far Relative’s Birthday Cake
|
0 / 0 |
普及-
|
|
|
6112 |
P629E Famil Door and Roads
|
0 / 0 |
省选
|
|
|
6109 |
P630C Lucky Numbers
|
0 / 0 |
普及-
|
|
|
6106 |
P630F Selection of Personnel
|
0 / 0 |
普及-
|
|
|
6105 |
P630G Challenge Pennants
|
0 / 0 |
普及
|
|
|
6104 |
P630H Benches
|
0 / 0 |
普及-
|
|
|
6103 |
P630I Parking Lot
|
0 / 0 |
普及
|
|
|
6036 |
P645F Cowslip Collections
|
0 / 0 |
NOI
|
|
|
6025 |
P652C Foe Pairs
|
0 / 0 |
普及
|
|
|
6015 |
P653G Move by Prime
|
0 / 0 |
CTSC
|
|
|
6000 |
P659G Fence Divercity
|
0 / 0 |
省选
|
|
|
5995 |
P660E Different Subsets For All Tuples
|
0 / 0 |
省选
|
|
|
5970 |
P666C Codeword
|
0 / 0 |
NOI
|
|
|
5936 |
P677C Vanya and Label
|
0 / 0 |
普及
|
|
|
5900 |
P685A Robbers' watch
|
0 / 0 |
普及
|
|
|
5884 |
P689C Mike and Chocolate Thieves
|
0 / 0 |
普及
|
|
|
5882 |
P689E Mike and Geometry Problem
|
0 / 0 |
提高
|
|
|
5871 |
P690D2 The Wall (medium)
|
0 / 0 |
普及
|
|
|
5856 |
P696C PLEASE
|
0 / 0 |
提高
|
|
|
5845 |
P698F Coprime Permutation
|
0 / 0 |
CTSC
|
|
|
5790 |
P711D Directed Roads
|
0 / 0 |
普及
|
|
|
5785 |
P712D Memory and Scores
|
0 / 0 |
省选
|
|
|
5772 |
P715E Complete the Permutations
|
0 / 0 |
CTSC
|
|
|
5769 |
P717A Festival Organization
|
0 / 0 |
CTSC
|
|
|
5739 |
P722E Research Rover
|
0 / 0 |
CTSC
|
|
|
5726 |
P724F Uniformly Branched Trees
|
0 / 0 |
CTSC
|
|
|
5667 |
P735C Tennis Championship
|
0 / 0 |
普及
|
|
|
5622 |
P747F Igor and Interesting Numbers
|
0 / 0 |
NOI
|
|
|
5604 |
P750G New Year and Binary Tree Paths
|
0 / 0 |
CTSC
|
|
|
5588 |
P755G PolandBall and Many Other Balls
|
0 / 0 |
CTSC
|
|
|
5584 |
P756D Bacterial Melee
|
0 / 0 |
NOI
|
|
|
5583 |
P756E Byteland coins
|
0 / 0 |
CTSC
|
|
|
5577 |
P757E Bash Plays with Functions
|
0 / 0 |
NOI
|
|
|
5555 |
P762F Tree nesting
|
0 / 0 |
CTSC
|
|
|
5525 |
P768F Barrels and boxes
|
0 / 0 |
省选
|
|
|
5499 |
P773F Test Data Generation
|
0 / 0 |
CTSC
|
|
|
5479 |
P776G Sherlock and the Encrypted Data
|
0 / 0 |
CTSC
|
|
|
5447 |
P785D Anton and School - 2
|
0 / 0 |
省选
|
|
|
5437 |
P788B Weird journey
|
0 / 0 |
提高
|
|
|
5411 |
P794G Replace All
|
0 / 0 |
CTSC
|
|
|
5364 |
P803F Coprime Subsequences
|
0 / 0 |
提高
|
|
|
5361 |
P804B Minimum number of steps
|
0 / 0 |
普及-
|
|
|
5357 |
P804F Fake bullions
|
0 / 0 |
CTSC
|
|
|
5343 |
P809C Find a car
|
0 / 0 |
CTSC
|
|
|
5318 |
P814E An unavoidable detour for home
|
0 / 0 |
CTSC
|
|
|
5316 |
P815B Karen and Test
|
0 / 0 |
省选
|
|
|
5314 |
P815D Karen and Cards
|
0 / 0 |
CTSC
|
|
|
5309 |
P817B Makes And The Product
|
0 / 0 |
普及
|
|
|
5261 |
P830D Singer House
|
0 / 0 |
CTSC
|
|
|
5249 |
P833C Ever-Hungry Krakozyabra
|
0 / 0 |
CTSC
|
|
|
5233 |
P837F Prefix Sums
|
0 / 0 |
NOI
|
|
|
5222 |
P839D Winter is here
|
0 / 0 |
省选
|
|
|
5220 |
P840A Leha and Function
|
0 / 0 |
普及-
|
|
|
5218 |
P840C On the Bench
|
0 / 0 |
NOI
|
|
|
5202 |
P844B Rectangles
|
0 / 0 |
普及-
|
|
|
5172 |
P848D Shake It!
|
0 / 0 |
CTSC
|
|
|
5171 |
P848E Days of Floral Colours
|
0 / 0 |
CTSC
|
|
|
5155 |
P852F Product transformation
|
0 / 0 |
省选
|
|
|
5135 |
P856C Eleventh Birthday
|
0 / 0 |
NOI
|
|
|
5121 |
P859E Desk Disorder
|
0 / 0 |
提高
|
|
|
5092 |
P865G Flowers and Chocolate
|
0 / 0 |
CTSC
|
|
|
5081 |
P869C The Intriguing Obsession
|
0 / 0 |
普及
|
|
|
5062 |
P875D High Cry
|
0 / 0 |
省选
|
|
|
5047 |
P878E Numbers on the blackboard
|
0 / 0 |
CTSC
|
