|
4284 |
P799D Field expansion
|
0 / 0 |
(无) |
|
4280 |
P801A Vicious Keyboard
|
0 / 0 |
(无) |
|
4253 |
P804D Expected diameter of a tree
|
0 / 0 |
(无) |
|
4247 |
P807B T-Shirt Hunt
|
0 / 0 |
(无) |
|
4232 |
P811A Vladik and Courtesy
|
0 / 0 |
(无) |
|
4226 |
P812B Sagheer, the Hausmeister
|
0 / 0 |
(无) |
|
4221 |
P813B The Golden Age
|
0 / 0 |
(无) |
|
4214 |
P814C An impassioned circulation of affection
|
0 / 0 |
(无) |
|
4211 |
P815A Karen and Game
|
0 / 0 |
(无) |
|
4210 |
P815B Karen and Test
|
0 / 0 |
(无) |
|
4209 |
P815C Karen and Supermarket
|
0 / 0 |
(无) |
|
4206 |
P816A Karen and Morning
|
0 / 0 |
(无) |
|
4202 |
P817C Really Big Numbers
|
0 / 0 |
(无) |
|
4196 |
P818C Sofa Thief
|
0 / 0 |
(无) |
|
4183 |
P821B Okabe and Banana Trees
|
0 / 0 |
(无) |
|
4178 |
P822B Crossword solving
|
0 / 0 |
(无) |
|
4176 |
P822D My pretty girl Noora
|
0 / 0 |
(无) |
|
4172 |
P825B Five-In-a-Row
|
0 / 0 |
(无) |
|
4158 |
P830A Office Keys
|
0 / 0 |
(无) |
|
4156 |
P830C Bamboo Partition
|
0 / 0 |
(无) |
|
4151 |
P831C Jury Marks
|
0 / 0 |
(无) |
|
4143 |
P833C Ever-Hungry Krakozyabra
|
0 / 0 |
(无) |
|
4135 |
P835D Palindromic characteristics
|
0 / 0 |
(无) |
|
4131 |
P837B Flag of Berland
|
0 / 0 |
(无) |
|
4130 |
P837C Two Seals
|
0 / 0 |
(无) |
|
4127 |
P837F Prefix Sums
|
0 / 0 |
(无) |
|
4125 |
P838A Binary Blocks
|
0 / 0 |
(无) |
|
4118 |
P839B Game of the Rows
|
0 / 0 |
(无) |
|
4115 |
P839E Mother of Dragons
|
0 / 0 |
(无) |
|
4109 |
P841A Generous Kefa
|
0 / 0 |
(无) |
|
4107 |
P842A Kirill And The Game
|
0 / 0 |
(无) |
|
4101 |
P843B Interactive LowerBound
|
0 / 0 |
(无) |
|
4094 |
P845B Luba And The Ticket
|
0 / 0 |
(无) |
|
4088 |
P846A Curriculum Vitae
|
0 / 0 |
(无) |
|
4087 |
P846B Math Show
|
0 / 0 |
(无) |
|
4086 |
P846C Four Segments
|
0 / 0 |
(无) |
|
4063 |
P849B Tell Your World
|
0 / 0 |
(无) |
|
4062 |
P850A Five Dimensional Points
|
0 / 0 |
(无) |
|
4058 |
P850E Random Elections
|
0 / 0 |
(无) |
|
4054 |
P852A Digits
|
0 / 0 |
(无) |
|
4046 |
P852I Dating
|
0 / 0 |
(无) |
|
4040 |
P854A Fraction
|
0 / 0 |
(无) |
|
4038 |
P855A Tom Riddle's Diary
|
0 / 0 |
(无) |
|
4037 |
P855B Marvolo Gaunt's Ring
|
0 / 0 |
(无) |
|
4031 |
P856A Set Theory
|
0 / 0 |
(无) |
|
4025 |
P858A k-rounding
|
0 / 0 |
(无) |
|
4024 |
P858B Which floor?
|
0 / 0 |
(无) |
|
4018 |
P859B Lazy Security Guard
|
0 / 0 |
(无) |
|
4005 |
P863A Quasi-palindrome
|
0 / 0 |
(无) |
|
4004 |
P863B Kayaking
|
0 / 0 |
(无) |
|
3997 |
P864B Polycarp and Letters
|
0 / 0 |
(无) |
|
3988 |
P865E Hex Dyslexia
|
0 / 0 |
(无) |
|
3987 |
P865F Egg Roulette
|
0 / 0 |
(无) |
|
3984 |
P868A Bark to Unlock
|
0 / 0 |
(无) |
|
3982 |
P868C Qualification Rounds
|
0 / 0 |
(无) |
|
3981 |
P868D Huge Strings
|
0 / 0 |
(无) |
|
3977 |
P869A The Artful Expedient
|
0 / 0 |
(无) |
|
3974 |
P869D The Overdosing Ubiquity
|
0 / 0 |
(无) |
|
3972 |
P870A Search for Pretty Integers
|
0 / 0 |
(无) |
|
3969 |
P870D Something with XOR Queries
|
0 / 0 |
(无) |
|
3961 |
P873E Awards For Contestants
|
0 / 0 |
(无) |
|
3959 |
P875A Classroom Watch
|
0 / 0 |
(无) |
|
3950 |
P877B Nikita and string
|
0 / 0 |
(无) |
|
3931 |
P883H Palindromic Cut
|
0 / 0 |
(无) |
|
3919 |
P886A ACM ICPC
|
0 / 0 |
(无) |
|
3912 |
P887B Cubes for Masha
|
0 / 0 |
(无) |
|
3911 |
P887C Solution for Cube
|
0 / 0 |
(无) |
|
3907 |
P888A Local Extrema
|
0 / 0 |
(无) |
|
3899 |
P891A Pride
|
0 / 0 |
(无) |
|
3891 |
P893B Beautiful Divisors
|
0 / 0 |
(无) |
|
3886 |
P894A QAQ
|
0 / 0 |
(无) |
|
3883 |
P894D Ralph And His Tour in Binary Country
|
0 / 0 |
(无) |
|
3881 |
P895A Pizza Separation
|
0 / 0 |
(无) |
|
3870 |
P897B Chtholly's request
|
0 / 0 |
(无) |
|
3868 |
P898B Proper Nutrition
|
0 / 0 |
(无) |
|
3864 |
P898F Restoring the Expression
|
0 / 0 |
(无) |
|
3855 |
P900C Remove Extra One
|
0 / 0 |
(无) |
|
3841 |
P903E Swapping Characters
|
0 / 0 |
(无) |
|
3837 |
P906B Seating of Students
|
0 / 0 |
(无) |
|
3836 |
P906C Party
|
0 / 0 |
(无) |
|
3833 |
P907A Masha and Bears
|
0 / 0 |
(无) |
|
3831 |
P908A New Year and Counting Cards
|
0 / 0 |
(无) |
|
3830 |
P908B New Year and Buggy Bot
|
0 / 0 |
(无) |
|
3829 |
P908C New Year and Curling
|
0 / 0 |
(无) |
|
3823 |
P909A Generate Login
|
0 / 0 |
(无) |
|
3813 |
P911B Two Cakes
|
0 / 0 |
(无) |
|
3812 |
P911C Three Garlands
|
0 / 0 |
(无) |
|
3811 |
P911D Inversion Counting
|
0 / 0 |
(无) |
|
3805 |
P912C Perun, Ult!
|
0 / 0 |
(无) |
|
3799 |
P913D Too Easy Problems
|
0 / 0 |
(无) |
|
3794 |
P914A Perfect Squares
|
0 / 0 |
(无) |
|
3792 |
P914C Travelling Salesman and Special Numbers
|
0 / 0 |
(无) |
|
3789 |
P914F Substrings in a String
|
0 / 0 |
(无) |
|
3779 |
P916A Jamie and Alarm Snooze
|
0 / 0 |
(无) |
|
3769 |
P918A Eleven
|
0 / 0 |
(无) |
|
3767 |
P919A Supermarket
|
0 / 0 |
(无) |
|
3766 |
P919B Perfect Number
|
0 / 0 |
(无) |
|
3765 |
P919C Seat Arrangements
|
0 / 0 |
(无) |
|
3756 |
P920F SUM and REPLACE
|
0 / 0 |
(无) |
|
3755 |
P920G List Of Integers
|
0 / 0 |
(无) |