Learning Paths (0)
None
Practice Paths (0)
None
Contests (27)
November Challenge 2017
Chef and Intersection Line, Product on the segment by modulo , Chef Hates Palindromes, Polynomials, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef and Direction, Chef and Universe, Total Diamonds, Santa Delivering Problem, Chef And his Cake, Chef, Leonardo And Queries, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays
January Challenge 2018
(Challenge) Chef and Palindromes, Killing Monsters, A humongous Query, Simplify the Square Root, Killjee and k-th letter , K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Cook-Off 2018
Far Graphs, Multiple of 3, Make array great again, Survive in ChocoLand
January Lunchtime 2018
Chef and Game with Sequence, Chef and Average on a Tree, Chef and Function, Chef and Escaping from the Labyrinth
March Challenge 2018 DIV 1
Pishty and Triangles, Chef Cuts Tree, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting
March Cook-off 2018 Division 1
Chef Goes to the Cinema, Chef Restores an Array, Chef Chooses a Subset, Chef Restores a Matrix
June Challenge 2018 Division 1
Two Flowers, Vision, Ways to Work, Expected Buildings, Archi and Tree
August Challenge 2018 Division 1
Coordinate Compression , Modular GCD, Princess and Dragons, Safe Partition, Interactive Matrix, Chef at the River, Lonely Cycles
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, (Challenge) Chef and Takonemo, Coprime Components, Distinct Rows in Submatrices
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Maximum Distance, Party, (Challenge) Chef and Matching Game, A Pizza Slice
March Challenge 2019 Division 1
Chef and Soccer, Cheating on Queue, Perfect Tree Problem, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings
April Challenge 2019 Division 1
Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal, Edgy, Moving Rectangles (Challenge), Sonya and Queries
August Lunchtime 2019 Division 1
Beauty of Pairs, Beauty of Segments, Equal Average, Destroy Cells, Chef Does Coke Yet Again
November Challenge 2019 Division 1
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, Winning Ways, Pretty Boxes, (Challenge) Coloring Triangulations, D-Dart
November Lunchtime 2019 Division 1
Team Trees, Planting Trees, Washing Windows, Perfection, Servers
May Lunchtime 2020 Division 1
Absolute Min Max, Escape One, Convert the String, Tree difference
July Challenge 2020 Division 1
LCM Constraints, Chefina and Swaps, Easy Geo xD, Chef and Dragon Dens, Missing a Point, Doctor Chef, Weird Product, Expected Repetitions, Expected Spanning Trees, (Challenge) Dynamic Hull
August Challenge 2020 Division 1
Insanely Hard School Exams, Subsequence Frequency Counting, Precious Stones , Chefina and Strange Tree, Smallest KMP, Ants (Challenge) , Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Chefina and Swap, Move the Coins 2, Chef and Trump Cards, Find XOR, Rotate the Polyline, Chef and Sums, Move the Coins - Creating Tests, Divide Candies, Vibrating Paths (Challenge), Ada Matrix
February Challenge 2021 Division 1
Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Dream and the Multiverse, Cut the Cake (Challenge), Bash Matrix, Cell Shell
March Challenge 2021 Division 1
Dense Graph, Consecutive Adding, Paparazzi Gennady, Substring Probability, Space Arrays, Wireless Electricity (Challenge), Locked Safe, Random Walk Queries, Maximum Topological Sort, Clique Boolean Expression
April Challenge 2021 Division 1
Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Water Sort Puzzle (Challenge), Chef and Dice, Brahma and Shiva, Boolean Game
April Cook-Off 2021 Division 1
Tree Distances, OR of ANDs, Valet Parking, GCD Sums, Deletion Sort
August Lunchtime 2021 Division 1
Bunny Hops, Min-Max Path, Just a Graph, Longest Spanning Substrings, Chef and Deque
SnackDown 2021 - Online Qualifiers
Lucky Number
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Pre-Elimination
Product Pain, Guests like slippers, Mega mu - 1
SnackDown 2021 - Online Elimination Round (Rated for all)
Random Convex Hull, Graduate Work Matters, Sorting Segments
Total Problems Solved: 193
Poland
