|
5266 |
P451E Devu and Flowers
|
0 / 0 |
(无) |
|
5246 |
P456B Fedya and Maths
|
0 / 0 |
(无) |
|
5233 |
P460B Little Dima and Equation
|
0 / 0 |
(无) |
|
5218 |
P463E Caisa and Tree
|
0 / 0 |
(无) |
|
5180 |
P472A Design Tutorial: Learn from Math
|
0 / 0 |
(无) |
|
5168 |
P474F Ant colony
|
0 / 0 |
(无) |
|
5137 |
P483A Counterexample
|
0 / 0 |
(无) |
|
5121 |
P487C Prefix Product Sequence
|
0 / 0 |
(无) |
|
5108 |
P490C Hacking Cypher
|
0 / 0 |
(无) |
|
5107 |
P490D Chocolate
|
0 / 0 |
(无) |
|
5085 |
P495B Modular Equations
|
0 / 0 |
(无) |
|
5075 |
P498C Array and Operations
|
0 / 0 |
(无) |
|
5074 |
P498D Traffic Jams in the Land
|
0 / 0 |
(无) |
|
5064 |
P500G New Year Running
|
0 / 0 |
(无) |
|
5007 |
P515B Drazil and His Happy Friends
|
0 / 0 |
(无) |
|
5002 |
P516E Drazil and His Happy Friends
|
0 / 0 |
(无) |
|
4993 |
P519C A and B and Team Training
|
0 / 0 |
(无) |
|
4986 |
P520E Pluses everywhere
|
0 / 0 |
(无) |
|
4905 |
P542D Superhero's Job
|
0 / 0 |
(无) |
|
4887 |
P546D Soldier and Number Game
|
0 / 0 |
(无) |
|
4883 |
P547C Mike and Foam
|
0 / 0 |
(无) |
|
4862 |
P551D GukiZ and Binary Operations
|
0 / 0 |
(无) |
|
4858 |
P552C Vanya and Scales
|
0 / 0 |
(无) |
|
4829 |
P559C Gerald and Giant Chess
|
0 / 0 |
(无) |
|
4819 |
P566F Clique in the Divisibility Graph
|
0 / 0 |
(无) |
|
4811 |
P568A Primes or Palindromes?
|
0 / 0 |
(无) |
|
4792 |
P573A Bear and Poker
|
0 / 0 |
(无) |
|
4778 |
P575H Bots
|
0 / 0 |
(无) |
|
4776 |
P576A Vasya and Petya's Game
|
0 / 0 |
(无) |
|
4771 |
P577A Multiplication Table
|
0 / 0 |
(无) |
|
4748 |
P582C Superior Periodic Subarrays
|
0 / 0 |
(无) |
|
4747 |
P582D Number of Binominal Coefficients
|
0 / 0 |
(无) |
|
4740 |
P584D Dima and Lisa
|
0 / 0 |
(无) |
|
4736 |
P585C Alice, Bob, Oranges and Apples
|
0 / 0 |
(无) |
|
4734 |
P585E Present for Vitalik the Philatelist
|
0 / 0 |
(无) |
|
4702 |
P594D REQ
|
0 / 0 |
(无) |
|
4665 |
P603B Moodular Arithmetic
|
0 / 0 |
(无) |
|
4610 |
P615D Multipliers
|
0 / 0 |
(无) |
|
4604 |
P616E Sum of Remainders
|
0 / 0 |
(无) |
|
4582 |
P621C Wet Shark and Flowers
|
0 / 0 |
(无) |
|
4572 |
P623B Array GCD
|
0 / 0 |
(无) |
|
4559 |
P626C Block Towers
|
0 / 0 |
(无) |
|
4537 |
P630A Again Twenty Five!
|
0 / 0 |
(无) |
|
4528 |
P630J Divisibility
|
0 / 0 |
(无) |
|
4527 |
P630K Indivisibility
|
0 / 0 |
(无) |
|
4511 |
P632D Longest Subsequence
|
0 / 0 |
(无) |
|
4508 |
P633A Ebony and Ivory
|
0 / 0 |
(无) |
|
4507 |
P633B A Trivial Problem
|
0 / 0 |
(无) |
|
4502 |
P633G Yash And Trees
|
0 / 0 |
(无) |
|
4462 |
P645F Cowslip Collections
|
0 / 0 |
(无) |
|
4441 |
P653G Move by Prime
|
0 / 0 |
(无) |
|
4426 |
P659G Fence Divercity
|
0 / 0 |
(无) |
|
4425 |
P660A Co-prime Array
|
0 / 0 |
(无) |
|
4405 |
P664A Complicated GCD
|
0 / 0 |
(无) |
|
4401 |
P665D Simple Subset
|
0 / 0 |
(无) |
|
4399 |
P665F Four Divisors
|
0 / 0 |
(无) |
|
4381 |
P671C Ultimate Weirdness of an Array
|
0 / 0 |
(无) |
|
4357 |
P678C Joty and Chocolate
|
0 / 0 |
(无) |
|
4356 |
P678D Iterated Linear Function
|
0 / 0 |
(无) |
|
4341 |
P682A Alyona and Numbers
|
0 / 0 |
(无) |
|
4318 |
P687B Remainders Game
|
0 / 0 |
(无) |
|
4285 |
P691F Couple Cover
|
0 / 0 |
(无) |
|
4271 |
P698F Coprime Permutation
|
0 / 0 |
(无) |
|
4250 |
P703E Mishka and Divisors
|
0 / 0 |
(无) |
|
4235 |
P707C Pythagorean Triples
|
0 / 0 |
(无) |
|
4222 |
P710D Two Arithmetic Progressions
|
0 / 0 |
(无) |
|
4215 |
P711E ZS and The Birthday Paradox
|
0 / 0 |
(无) |
|
4195 |
P717A Festival Organization
|
0 / 0 |
(无) |
|
4164 |
P722F Cyclic Cipher
|
0 / 0 |
(无) |
|
4155 |
P724C Ray Tracing
|
0 / 0 |
(无) |
|
4151 |
P724G Xor-matic Number of the Graph
|
0 / 0 |
(无) |
|
4114 |
P731F Video Cards
|
0 / 0 |
(无) |
|
4094 |
P735B Urbanization
|
0 / 0 |
(无) |
|
4092 |
P735D Taxes
|
0 / 0 |
(无) |
|
4074 |
P742A Arpa’s hard exam and Mehrdad’s naive cheat
|
0 / 0 |
(无) |
|
4073 |
P742B Arpa’s obvious problem and Mehrdad’s terrible solution
|
0 / 0 |
(无) |
|
4070 |
P743C Vladik and fractions
|
0 / 0 |
(无) |
|
4041 |
P749A Bachgold Problem
|
0 / 0 |
(无) |
|
4020 |
P755A PolandBall and Hypothesis
|
0 / 0 |
(无) |
|
4014 |
P755G PolandBall and Many Other Balls
|
0 / 0 |
(无) |
|
4008 |
P756F Long number
|
0 / 0 |
(无) |
|
4006 |
P757B Bash's Big Day
|
0 / 0 |
(无) |
|
4003 |
P757E Bash Plays with Functions
|
0 / 0 |
(无) |
|
3999 |
P758B Blown Garland
|
0 / 0 |
(无) |
|
3995 |
P758F Geometrical Progression
|
0 / 0 |
(无) |
|
3986 |
P762A k-th divisor
|
0 / 0 |
(无) |
|
3978 |
P763C Timofey and remoduling
|
0 / 0 |
(无) |
|
3967 |
P765G Math, math everywhere
|
0 / 0 |
(无) |
|
3965 |
P766B Mahmoud and a Triangle
|
0 / 0 |
(无) |
|
3951 |
P768F Barrels and boxes
|
0 / 0 |
(无) |
|
3933 |
P772C Vulnerable Kerbals
|
0 / 0 |
(无) |
|
3925 |
P773F Test Data Generation
|
0 / 0 |
(无) |
|
3920 |
P774E Big Number and Remainder
|
0 / 0 |
(无) |
|
3919 |
P774F Pens And Days Of Week
|
0 / 0 |
(无) |
|
3918 |
P774G Perfectionist Arkadiy
|
0 / 0 |
(无) |
|
3910 |
P776B Sherlock and his girlfriend
|
0 / 0 |
(无) |
|
3907 |
P776E The Holmes Children
|
0 / 0 |
(无) |
|
3873 |
P785D Anton and School - 2
|
0 / 0 |
(无) |
|
3866 |
P787A The Monster
|
0 / 0 |
(无) |
|
3854 |
P792C Divide by Three
|
0 / 0 |
(无) |