|
|
5160 |
P852A Digits
|
0 / 0 |
NOI
|
|
|
5155 |
P852F Product transformation
|
0 / 0 |
省选
|
|
|
5146 |
P854A Fraction
|
0 / 0 |
普及-
|
|
|
5145 |
P854B Maxim Buys an Apartment
|
0 / 0 |
普及-
|
|
|
5135 |
P856C Eleventh Birthday
|
0 / 0 |
NOI
|
|
|
5131 |
P858A k-rounding
|
0 / 0 |
普及-
|
|
|
5124 |
P859B Lazy Security Guard
|
0 / 0 |
普及-
|
|
|
5119 |
P859G Circle of Numbers
|
0 / 0 |
CTSC
|
|
|
5102 |
P864C Bus
|
0 / 0 |
普及
|
|
|
5101 |
P864D Make a Permutation!
|
0 / 0 |
普及
|
|
|
5093 |
P865F Egg Roulette
|
0 / 0 |
CTSC
|
|
|
5092 |
P865G Flowers and Chocolate
|
0 / 0 |
CTSC
|
|
|
5084 |
P868G El Toll Caves
|
0 / 0 |
CTSC
|
|
|
5082 |
P869B The Eternal Immortality
|
0 / 0 |
普及-
|
|
|
5081 |
P869C The Intriguing Obsession
|
0 / 0 |
普及
|
|
|
5076 |
P870C Maximum splitting
|
0 / 0 |
普及-
|
|
|
5065 |
P875A Classroom Watch
|
0 / 0 |
普及-
|
|
|
5059 |
P876A Trip For Meal
|
0 / 0 |
普及-
|
|
|
5058 |
P876B Divisiblity of Differences
|
0 / 0 |
普及-
|
|
|
5041 |
P883D Packmen Strike Back
|
0 / 0 |
NOI
|
|
|
5032 |
P883M Quadcopter Competition
|
0 / 0 |
普及-
|
|
|
5029 |
P884C Bertown Subway
|
0 / 0 |
普及
|
|
|
5021 |
P886E Maximum Element
|
0 / 0 |
NOI
|
|
|
5010 |
P888D Almost Identity Permutations
|
0 / 0 |
普及
|
|
|
5006 |
P889E Mod Mod Mod
|
0 / 0 |
CTSC
|
|
|
5005 |
P891A Pride
|
0 / 0 |
普及
|
|
|
5001 |
P891E Lust
|
0 / 0 |
CTSC
|
|
|
4994 |
P893E Counting Arrays
|
0 / 0 |
提高
|
|
|
4991 |
P894B Ralph And His Magic Field
|
0 / 0 |
普及
|
|
|
4990 |
P894C Marco and GCD Sequence
|
0 / 0 |
普及
|
|
|
4986 |
P895B XK Segments
|
0 / 0 |
普及
|
|
|
4985 |
P895C Square Subsets
|
0 / 0 |
提高
|
|
|
4984 |
P895D String Mark
|
0 / 0 |
提高
|
|
|
4979 |
P896D Nephren Runs a Cinema
|
0 / 0 |
CTSC
|
|
|
4975 |
P898A Rounding
|
0 / 0 |
普及-
|
|
|
4970 |
P898F Restoring the Expression
|
0 / 0 |
省选
|
|
|
4969 |
P899A Splitting in Teams
|
0 / 0 |
普及-
|
|
|
4967 |
P899C Dividing the numbers
|
0 / 0 |
普及-
|
|
|
4966 |
P899D Shovel Sale
|
0 / 0 |
普及
|
|
|
4962 |
P900B Position in Fraction
|
0 / 0 |
普及-
|
|
|
4961 |
P900C Remove Extra One
|
0 / 0 |
普及
|
|
|
4960 |
P900D Unusual Sequences
|
0 / 0 |
提高
|
|
|
4957 |
P901B GCD of Polynomials
|
0 / 0 |
省选
|
|
|
4954 |
P901E Cyclic Cipher
|
0 / 0 |
CTSC
|
|
|
4948 |
P903D Almost Difference
|
0 / 0 |
省选
|
|
|
4943 |
P906B Seating of Students
|
0 / 0 |
省选
|
|
|
4941 |
P906D Power Tower
|
0 / 0 |
CTSC
|
|
|
4935 |
P908C New Year and Curling
|
0 / 0 |
普及
|
|
|
4934 |
P908D New Year and Arbitrary Arrangement
|
0 / 0 |
省选
|
|
|
4933 |
P908E New Year and Entity Enumeration
|
0 / 0 |
NOI
|
|
|
4931 |
P908G New Year and Original Order
|
0 / 0 |
CTSC
|
|
|
4928 |
P909B Segments
|
0 / 0 |
普及-
|
|
|
4921 |
P910C Minimum Sum
|
0 / 0 |
普及
|
|
|
4917 |
P911D Inversion Counting
|
0 / 0 |
普及
|
|
|
4909 |
P912E Prime Gift
|
0 / 0 |
NOI
|
|
|
4908 |
P913A Modular Exponentiation
|
0 / 0 |
普及-
|
|
|
4903 |
P913F Strongly Connected Tournament
|
0 / 0 |
CTSC
|
|
|
4902 |
P913G Power Substring
|
0 / 0 |
CTSC
|
|
|
4901 |
P913H Don't Exceed
|
0 / 0 |
CTSC
|
|
|
4900 |
P914A Perfect Squares
|
0 / 0 |
普及-
|
|
|
4894 |
P914G Sum the Fibonacci
|
0 / 0 |
CTSC
|
|
|
4886 |
P915G Coprime Arrays
|
0 / 0 |
省选
|
|
|
4885 |
P916A Jamie and Alarm Snooze
|
0 / 0 |
普及-
|
|
|
4884 |
P916B Jamie and Binary Sequence (changed after round)
|
0 / 0 |
提高
|
|
|
4880 |
P917A The Monster
|
0 / 0 |
普及
|
|
|
4877 |
P917D Stranger Trees
|
0 / 0 |
CTSC
|
|
|
4869 |
P919E Congruence Equation
|
0 / 0 |
提高
|
|
|
4865 |
P920C Swap Adjacent Elements
|
0 / 0 |
普及-
|
|
|
4861 |
P920G List Of Integers
|
0 / 0 |
省选
|
|
|
4840 |
P923A Primal Sport
|
0 / 0 |
普及
|
|
|
4836 |
P923E Perpetual Subtraction
|
0 / 0 |
CTSC
|
|
|
4826 |
P925C Big Secret
|
0 / 0 |
省选
|
|
|
4822 |
P926A 2-3-numbers
|
0 / 0 |
普及-
|
|
|
4803 |
P930E Coins Exhibition
|
0 / 0 |
CTSC
|
|
|
4802 |
P931A Friends Meeting
|
0 / 0 |
普及-
|
|
|
4800 |
P931C Laboratory Work
|
0 / 0 |
普及
|
|
|
4795 |
P932E Team Work
|
0 / 0 |
NOI
|
|
|
4791 |
P933B A Determined Cleanup
|
0 / 0 |
提高
|
|
|
4789 |
P933D A Creative Cutout
|
0 / 0 |
CTSC
|
|
|
4782 |
P935D Fafa and Ancient Alphabet
|
0 / 0 |
普及
|
|
|
4779 |
P936A Save Energy!
|
0 / 0 |
普及
|
|
|
4774 |
P937B Vile Grasshoppers
|
0 / 0 |
普及-
|
|
|
4769 |
P938E Max History
|
0 / 0 |
省选
|
|
|
4756 |
P940E Cashback
|
0 / 0 |
提高
|
|
|
4753 |
P946B Weird Subtraction Process
|
0 / 0 |
普及-
|
|
|
4745 |
P949B A Leapfrog in the Array
|
0 / 0 |
普及
|
|
|
4740 |
P950A Left-handers, Right-handers and Ambidexters
|
0 / 0 |
普及-
|
|
|
4738 |
P952A Quirky Quantifiers
|
0 / 0 |
普及-
|
|
|
4723 |
P954I Yet Another String Matching Problem
|
0 / 0 |
省选
|
|
|
4722 |
P955A Feed the cat
|
0 / 0 |
普及-
|
|
|
4720 |
P955C Sad powers
|
0 / 0 |
提高
|
|
|
4707 |
P958D1 Hyperspace Jump (easy)
|
0 / 0 |
普及-
|
|
|
4705 |
P958E1 Guard Duty (easy)
|
0 / 0 |
普及
|
|
|
4699 |
P959A Mahmoud and Ehab and the even-odd game
|
0 / 0 |
普及-
|
|
|
4696 |
P959D Mahmoud and Ehab and another array construction task
|
0 / 0 |
普及
|
|
|
4695 |
P959E Mahmoud and Ehab and the xor-MST
|
0 / 0 |
普及
|
|
|
4694 |
P959F Mahmoud and Ehab and yet another xor task
|
0 / 0 |
NOI
|
|
|
4687 |
P960G Bandit Blues
|
0 / 0 |
CTSC
|
|
|
4679 |
P961G Partitions
|
0 / 0 |
CTSC
|
|
|
4676 |
P962C Make a Square
|
0 / 0 |
普及-
|
