|
|
5862 |
P691C Exponential notation
|
0 / 0 |
普及
|
|
|
5855 |
P696D Legen...
|
0 / 0 |
NOI
|
|
|
5851 |
P697B Barnicle
|
0 / 0 |
普及-
|
|
|
5838 |
P700E Cool Slogans
|
0 / 0 |
CTSC
|
|
|
5835 |
P701C They Are Everywhere
|
0 / 0 |
普及
|
|
|
5814 |
P706C Hard problem
|
0 / 0 |
普及
|
|
|
5806 |
P708A Letters Cyclic Shift
|
0 / 0 |
普及-
|
|
|
5794 |
P710F String Set Queries
|
0 / 0 |
NOI
|
|
|
5787 |
P712B Memory and Trident
|
0 / 0 |
普及-
|
|
|
5747 |
P721B Passwords
|
0 / 0 |
普及-
|
|
|
5742 |
P722B Verse Pattern
|
0 / 0 |
普及-
|
|
|
5740 |
P722D Generating Sets
|
0 / 0 |
普及
|
|
|
5736 |
P723B Text Document Analysis
|
0 / 0 |
普及-
|
|
|
5728 |
P724D Dense Subsequence
|
0 / 0 |
普及
|
|
|
5722 |
P725C Hidden Word
|
0 / 0 |
普及
|
|
|
5716 |
P727B Bill Total Value
|
0 / 0 |
普及
|
|
|
5713 |
P727E Games on a CD
|
0 / 0 |
省选
|
|
|
5711 |
P729A Interview with Oleg
|
0 / 0 |
普及-
|
|
|
5693 |
P731A Night at the Museum
|
0 / 0 |
普及-
|
|
|
5675 |
P734A Anton and Danik
|
0 / 0 |
普及-
|
|
|
5669 |
P735A Ostap and Grasshopper
|
0 / 0 |
普及-
|
|
|
5637 |
P744E Hongcow Masters the Cyclic Shift
|
0 / 0 |
CTSC
|
|
|
5636 |
P745A Hongcow Learns the Cyclic Shift
|
0 / 0 |
普及-
|
|
|
5633 |
P746B Decoding
|
0 / 0 |
普及-
|
|
|
5626 |
P747B Mammoth's Genome Decoding
|
0 / 0 |
普及-
|
|
|
5623 |
P747E Comments
|
0 / 0 |
普及
|
|
|
5620 |
P748B Santa Claus and Keyboard Check
|
0 / 0 |
普及
|
|
|
5597 |
P754C Vladik and chat
|
0 / 0 |
省选
|
|
|
5595 |
P754E Dasha and cyclic table
|
0 / 0 |
CTSC
|
|
|
5593 |
P755B PolandBall and Game
|
0 / 0 |
普及-
|
|
|
5579 |
P757C Felicity is Coming!
|
0 / 0 |
普及
|
|
|
5571 |
P758D Ability To Convert
|
0 / 0 |
提高
|
|
|
5558 |
P762C Two strings
|
0 / 0 |
提高
|
|
|
5546 |
P765B Code obfuscation
|
0 / 0 |
普及-
|
|
|
5540 |
P766A Mahmoud and Longest Uncommon Subsequence
|
0 / 0 |
普及-
|
|
|
5538 |
P766C Mahmoud and a Message
|
0 / 0 |
普及
|
|
|
5488 |
P774K Stepan and Vowels
|
0 / 0 |
普及
|
|
|
5485 |
P776A A Serial Killer
|
0 / 0 |
普及-
|
|
|
5475 |
P777D Cloud of Hashtags
|
0 / 0 |
普及
|
|
|
5473 |
P778A String Game
|
0 / 0 |
普及
|
|
|
5471 |
P778C Peterson Polyglot
|
0 / 0 |
NOI
|
|
|
5462 |
P780D Innokenty and a Football League
|
0 / 0 |
普及
|
|
|
5450 |
P785A Anton and Polyhedrons
|
0 / 0 |
普及-
|
|
|
5442 |
P786D Rap God
|
0 / 0 |
CTSC
|
|
|
5402 |
P797C Minimal string
|
0 / 0 |
普及
|
|
|
5398 |
P798A Mike and palindrome
|
0 / 0 |
普及-
|
|
|
5397 |
P798B Mike and strings
|
0 / 0 |
普及-
|
|
|
5385 |
P801B Valued Keys
|
0 / 0 |
普及-
|
|
|
5378 |
P802G Fake News (easy)
|
0 / 0 |
普及-
|
|
|
5377 |
P802H Fake News (medium)
|
0 / 0 |
省选
|
|
|
5346 |
P808G Anthem of Berland
|
0 / 0 |
省选
|
|
|
5320 |
P814C An impassioned circulation of affection
|
0 / 0 |
普及
|
|
|
5284 |
P822B Crossword solving
|
0 / 0 |
普及-
|
|
|
5274 |
P825F String Compression
|
0 / 0 |
NOI
|
|
|
5272 |
P827A String Reconstruction
|
0 / 0 |
普及
|
|
|
5270 |
P827C DNA Evolution
|
0 / 0 |
提高
|
|
|
5268 |
P827E Rusty String
|
0 / 0 |
CTSC
|
|
|
5258 |
P831B Keyboard Layouts
|
0 / 0 |
普及-
|
|
|
5255 |
P832B Petya and Exam
|
0 / 0 |
普及
|
|
|
5241 |
P835D Palindromic characteristics
|
0 / 0 |
普及
|
|
|
5203 |
P844A Diversity
|
0 / 0 |
普及-
|
|
|
5144 |
P855A Tom Riddle's Diary
|
0 / 0 |
普及-
|
|
|
5136 |
P856B Similar Words
|
0 / 0 |
省选
|
|
|
5112 |
P862F Mahmoud and Ehab and the final stage
|
0 / 0 |
CTSC
|
|
|
5103 |
P864B Polycarp and Letters
|
0 / 0 |
普及-
|
|
|
5090 |
P868A Bark to Unlock
|
0 / 0 |
普及-
|
|
|
5087 |
P868D Huge Strings
|
0 / 0 |
省选
|
|
|
5066 |
P873F Forbidden Indices
|
0 / 0 |
NOI
|
|
|
5057 |
P877A Alex and broken contest
|
0 / 0 |
普及-
|
|
|
5040 |
P883E Field of Wonders
|
0 / 0 |
普及
|
|
|
5037 |
P883H Palindromic Cut
|
0 / 0 |
普及
|
|
|
4984 |
P895D String Mark
|
0 / 0 |
提高
|
|
|
4973 |
P898C Phone Numbers
|
0 / 0 |
普及-
|
|
|
4964 |
P899F Letters Removing
|
0 / 0 |
提高
|
|
|
4959 |
P900E Maximum Questions
|
0 / 0 |
提高
|
|
|
4947 |
P903E Swapping Characters
|
0 / 0 |
省选
|
|
|
4944 |
P906A Shockers
|
0 / 0 |
普及
|
|
|
4940 |
P906E Reverses
|
0 / 0 |
CTSC
|
|
|
4895 |
P914F Substrings in a String
|
0 / 0 |
CTSC
|
|
|
4876 |
P917E Upside Down
|
0 / 0 |
CTSC
|
|
|
4874 |
P918B Radio Station
|
0 / 0 |
普及-
|
|
|
4838 |
P923C Perfect Security
|
0 / 0 |
普及
|
|
|
4837 |
P923D Picking Strings
|
0 / 0 |
NOI
|
|
|
4811 |
P928A Login Verification
|
0 / 0 |
普及-
|
|
|
4808 |
P928D Autocompletion
|
0 / 0 |
普及
|
|
|
4806 |
P930B Game with String
|
0 / 0 |
普及
|
|
|
4793 |
P932G Palindrome Partition
|
0 / 0 |
CTSC
|
|
|
4777 |
P936C Lock Puzzle
|
0 / 0 |
省选
|
|
|
4763 |
P939D Love Rescue
|
0 / 0 |
普及
|
|
|
4758 |
P940C Phone Numbers
|
0 / 0 |
普及
|
|
|
4752 |
P946C String Transformation
|
0 / 0 |
普及-
|
|
|
4730 |
P954B String Typing
|
0 / 0 |
普及-
|
|
|
4719 |
P955D Scissors
|
0 / 0 |
CTSC
|
|
|
4714 |
P958A2 Death Stars (medium)
|
0 / 0 |
提高
|
|
|
4668 |
P963D Frequency of String
|
0 / 0 |
NOI
|
|
|
4660 |
P965E Short Code
|
0 / 0 |
省选
|
|
|
4657 |
P975A Aramic script
|
0 / 0 |
普及-
|
|
|
4645 |
P977B Two-gram
|
0 / 0 |
普及-
|
|
|
4639 |
P978B File Name
|
0 / 0 |
普及-
|
|
|
4630 |
P979D Kuro and GCD and XOR and SUM
|
0 / 0 |
省选
|
