Krzysztof Maziarz

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

Problems Authored (0)

No Contribution

Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution