Andrey Efremov
- andrey_efremov
Russia- Student
- Saint Petersburg State University
- No Active Plan. View Details
RussiaRatings System Update
(2021-05-31 23:00:00)Ratings System Update
(2022-12-20 00:00:00)None
None
Days in Month, Strange Function
Binary Nim 2, Power Tree, Ada and the Staircase, Pumping Water, Ada Bishop
Bad Shuffle
(Challenge) Delete DAG, Colorblind Feast, Max and Electrical Panel, Directing Edges, Edge Addition, Chef and Interactive XOR
Chef and Problem Setting, Chef and Eid, Mix Mix Game, X and Two Groups, GukiZ Has More Candies
Choosing from Buckets, Drawing Lines, Maximize the NOSS, Find Best Path, Age Calculator
Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax
Max Range Queries, Chef and Secret Password, Chef and Party
Chef and Soccer, Cheating on Queue, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings
Corrupted Seven-Segment Display, Tree Flow, Travelling Saleschef, Partition into Permutations
Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal
Ada Rooks 2, Where to Build the Roads, Sonya and Gifts, Ada Pawns
Zawad and Index Sum, Nice Subsets, The Secret Recipe, Ants and Anteaters, Drink Slush
Fuzzy Conversions, The Grux Permutation , Gii and His Club, Igzi and Burly Array, Ivan Pesic and His World Tour
Hit the Coconuts, Guess the Prime!, Codechef War, Circular Merging
Birthday Gift Again, War in Treeland Again, Minimum and Maximum, Expected Product
Delete a Subarray, Professor on a Trip, Two-lane Road
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay
Magic Permutations, Warriors, Rich Substrings, Two Circles
Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Dodgers, Power Sum, Chef Designed a Network, (Challenge) Sebi and CPU Design
Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification
Moonwalk, D-Value, Hidden Sequence, D-Or
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure
Chefina and Ranges, Binary XOR, Scoring Pairs, Sticky Notes, Addition
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums
Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise
Must Be Divisible, Maximum Subsequence Sum, XOR Game, Sweetest Candy , Chef and Pepperoni Pizza Again
Maximize LCM, Strip in a Tree!
Dot Time, Xor Jar Muluk Tar, Triangle Query, Positive Mex
The Tom and Jerry Game!, Operations on a Tuple
Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
Profitable Paths 2, Golomb Sequence, Binary Concatenation
Per Capita Income, Carry Bed, Checkpoints, Banned Quotient
Maximum AND, Gold Mining, Square Submatrices
Tokens On A Tree, Interactive MST, Total Components, K-Subarrays
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