|
|
4989 |
P894D Ralph And His Tour in Binary Country
|
0 / 0 |
省选
|
|
|
4988 |
P894E Ralph and Mushrooms
|
0 / 0 |
提高
|
|
|
4987 |
P895A Pizza Separation
|
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
|
|
|
4983 |
P895E Eyes Closed
|
0 / 0 |
省选
|
|
|
4982 |
P896A Nephren gives a riddle
|
0 / 0 |
普及
|
|
|
4981 |
P896B Ithea Plays With Chtholly
|
0 / 0 |
提高
|
|
|
4980 |
P896C Willem, Chtholly and Seniorious
|
0 / 0 |
CTSC
|
|
|
4979 |
P896D Nephren Runs a Cinema
|
0 / 0 |
CTSC
|
|
|
4978 |
P896E Welcome home, Chtholly
|
0 / 0 |
CTSC
|
|
|
4977 |
P897A Scarborough Fair
|
0 / 0 |
普及-
|
|
|
4976 |
P897B Chtholly's request
|
0 / 0 |
普及-
|
|
|
4975 |
P898A Rounding
|
0 / 0 |
普及-
|
|
|
4974 |
P898B Proper Nutrition
|
0 / 0 |
普及-
|
|
|
4973 |
P898C Phone Numbers
|
0 / 0 |
普及-
|
|
|
4972 |
P898D Alarm Clock
|
0 / 0 |
普及
|
|
|
4971 |
P898E Squares and not squares
|
0 / 0 |
普及
|
|
|
4970 |
P898F Restoring the Expression
|
0 / 0 |
省选
|
|
|
4969 |
P899A Splitting in Teams
|
0 / 0 |
普及-
|
|
|
4968 |
P899B Months and Years
|
0 / 0 |
普及-
|
|
|
4967 |
P899C Dividing the numbers
|
0 / 0 |
普及-
|
|
|
4966 |
P899D Shovel Sale
|
0 / 0 |
普及
|
|
|
4965 |
P899E Segments Removal
|
0 / 0 |
提高
|
|
|
4964 |
P899F Letters Removing
|
0 / 0 |
提高
|
|
|
4963 |
P900A Find Extra One
|
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
|
|
|
4959 |
P900E Maximum Questions
|
0 / 0 |
提高
|
|
|
4958 |
P901A Hashing Trees
|
0 / 0 |
普及
|
|
|
4957 |
P901B GCD of Polynomials
|
0 / 0 |
省选
|
|
|
4956 |
P901C Bipartite Segments
|
0 / 0 |
省选
|
|
|
4955 |
P901D Weighting a Tree
|
0 / 0 |
CTSC
|
|
|
4954 |
P901E Cyclic Cipher
|
0 / 0 |
CTSC
|
|
|
4953 |
P902A Visiting a Friend
|
0 / 0 |
普及-
|
|
|
4952 |
P902B Coloring a Tree
|
0 / 0 |
普及-
|
|
|
4951 |
P903A Hungry Student Problem
|
0 / 0 |
普及-
|
|
|
4950 |
P903B The Modcrab
|
0 / 0 |
普及-
|
|
|
4949 |
P903C Boxes Packing
|
0 / 0 |
普及-
|
|
|
4948 |
P903D Almost Difference
|
0 / 0 |
省选
|
|
|
4947 |
P903E Swapping Characters
|
0 / 0 |
省选
|
|
|
4946 |
P903F Clear The Matrix
|
0 / 0 |
省选
|
|
|
4945 |
P903G Yet Another Maxflow Problem
|
0 / 0 |
CTSC
|
|
|
4944 |
P906A Shockers
|
0 / 0 |
普及
|
|
|
4943 |
P906B Seating of Students
|
0 / 0 |
省选
|
|
|
4942 |
P906C Party
|
0 / 0 |
NOI
|
|
|
4941 |
P906D Power Tower
|
0 / 0 |
CTSC
|
|
|
4940 |
P906E Reverses
|
0 / 0 |
CTSC
|
|
|
4939 |
P907A Masha and Bears
|
0 / 0 |
普及-
|
|
|
4938 |
P907B Tic-Tac-Toe
|
0 / 0 |
普及-
|
|
|
4937 |
P908A New Year and Counting Cards
|
0 / 0 |
普及-
|
|
|
4936 |
P908B New Year and Buggy Bot
|
0 / 0 |
普及-
|
|
|
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
|
|
|
4932 |
P908F New Year and Rainbow Roads
|
0 / 0 |
NOI
|
|
|
4931 |
P908G New Year and Original Order
|
0 / 0 |
CTSC
|
|
|
4930 |
P908H New Year and Boolean Bridges
|
0 / 0 |
CTSC
|
|
|
4929 |
P909A Generate Login
|
0 / 0 |
普及-
|
|
|
4928 |
P909B Segments
|
0 / 0 |
普及-
|
|
|
4927 |
P909C Python Indentation
|
0 / 0 |
普及
|
|
|
4926 |
P909D Colorful Points
|
0 / 0 |
提高
|
|
|
4925 |
P909E Coprocessor
|
0 / 0 |
普及
|
|
|
4924 |
P909F AND-permutations
|
0 / 0 |
NOI
|
|
|
4923 |
P910A The Way to Home
|
0 / 0 |
普及-
|
|
|
4922 |
P910B Door Frames
|
0 / 0 |
普及
|
|
|
4921 |
P910C Minimum Sum
|
0 / 0 |
普及
|
|
|
4920 |
P911A Nearest Minimums
|
0 / 0 |
普及-
|
|
|
4919 |
P911B Two Cakes
|
0 / 0 |
普及-
|
|
|
4918 |
P911C Three Garlands
|
0 / 0 |
普及-
|
|
|
4917 |
P911D Inversion Counting
|
0 / 0 |
普及
|
|
|
4916 |
P911E Stack Sorting
|
0 / 0 |
提高
|
|
|
4915 |
P911F Tree Destruction
|
0 / 0 |
NOI
|
|
|
4914 |
P911G Mass Change Queries
|
0 / 0 |
NOI
|
|
|
4913 |
P912A Tricky Alchemy
|
0 / 0 |
普及-
|
|
|
4912 |
P912B New Year's Eve
|
0 / 0 |
普及-
|
|
|
4911 |
P912C Perun, Ult!
|
0 / 0 |
NOI
|
|
|
4910 |
P912D Fishes
|
0 / 0 |
提高
|
|
|
4909 |
P912E Prime Gift
|
0 / 0 |
NOI
|
|
|
4908 |
P913A Modular Exponentiation
|
0 / 0 |
普及-
|
|
|
4907 |
P913B Christmas Spruce
|
0 / 0 |
普及-
|
|
|
4906 |
P913C Party Lemonade
|
0 / 0 |
普及
|
|
|
4905 |
P913D Too Easy Problems
|
0 / 0 |
普及
|
|
|
4904 |
P913E Logical Expression
|
0 / 0 |
NOI
|
|
|
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-
|
|
|
4899 |
P914B Conan and Agasa play a Card Game
|
0 / 0 |
普及-
|
|
|
4898 |
P914C Travelling Salesman and Special Numbers
|
0 / 0 |
普及
|
|
|
4897 |
P914D Bash and a Tough Math Puzzle
|
0 / 0 |
普及
|
|
|
4896 |
P914E Palindromes in a Tree
|
0 / 0 |
NOI
|
|
|
4895 |
P914F Substrings in a String
|
0 / 0 |
CTSC
|
|
|
4894 |
P914G Sum the Fibonacci
|
0 / 0 |
CTSC
|
|
|
4893 |
P914H Ember and Storm's Tree Game
|
0 / 0 |
CTSC
|
|
|
4892 |
P915A Garden
|
0 / 0 |
普及-
|
|
|
4891 |
P915B Browser
|
0 / 0 |
普及-
|
|
|
4890 |
P915C Permute Digits
|
0 / 0 |
普及
|
