Krists Boitmanis

Practice: 

Little Elephant and T-Shirts, Snake Procession, Protecting The Poison, Consecutive Snakes, Team Formation For Snackdown, A temple of Snakes, A Game of Balls, Is It a Snake, Couples sit next to each other, Prefix borders, Game with numbers, Jumping in the hills, Naive Chef, Good Permutations, Hack Fulu, Big Tournament, Sum of Digits, Chocolate Pairs, Ada School, Power Tree, OneTwo, Learning Dishes, Make a Permutation, Ghayeeth vs Siroj, Biased Judgement, Opposite Cites, Chef Restaurant , Match the Streams, Coin Partition, Chef and SnackDown, Ada Pawns, Ada Bishop, Maximize Product, Waiting in Queue, Chef and Sequence, Ada Matrix, Distances, Wanderer, Rooks, Max Range Queries, Chef and Party, Rich Substrings, Two Circles, Destroy Cells, Chef Does Coke Yet Again, Angry Grandfather, Fitness Exercises , Factor Tree, Simple Operations, Root the Tree, Counting Spaghetti, K-Tuple Tree, And-Or Game, Subsequence LCS

Past INOI Problems: 

Triathlon, Table Sum, Calvins Game, Sequence Land, Highway Bypass, Special Sums, Periodic Strings, Free ticket, Wealth Disparity, Brackets, Fence - INOI 2017, Training - INOI 2017, 2 Two Paths - INOI 2018, 1 Road Trips and Museums - INOI 2018, Processor Scheduling

August Cook-Off 2018 Division 1: 

GukiZ and Candies, Mixi Game

October Mega Cook-Off 2018 Division 1: 

Binary Nim 2, Pumping Water

March Lunchtime 2018 Division 2 (Unrated): 

Chef and Friends, Magic Elements

April Lunchtime 2018 Division 1: 

The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling

April Challenge 2018 Division 2: 

Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1: 

S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1: 

Two Flowers, Vision, Warehouseman (Challenge), Ways to Work, Archi and Tree

July Challenge 2018 Division 1: 

Pizza Delivery, Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears

August Challenge 2018 Division 1: 

Coordinate Compression , Modular GCD, Princess and Dragons, Chef in a Mysterious Land (Challenge), Safe Partition, Interactive Matrix, Chef at the River, Lonely Cycles

September Challenge 2018 Division 1: 

AND Square Subsegments, Selinas the Chefs Falling on the Tree, Sasha and Photos, Chef and Lost Story, Chef and Condition Zero (Challenge), Factorize, Table Game, Bad Shuffle

December Challenge 2018 Division 1: 

Before Having Donuts, (Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Edge Addition, Chef and Interactive XOR

November Challenge 2018 Division 1: 

Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings, Chef and Difficult Contests, Chef and Happiness

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

July Lunchtime 2018 Division 1: 

Forced Particles, Prime divisors

August Lunchtime 2018 Division 1: 

Chef and Eid, Mix Mix Game, X and Two Groups, GukiZ Has More Candies

September Lunchtime 2018 Division 1: 

Opposite Cites, Chef Restaurant , Match the Streams

Code-Golf: 

CODEGOLF, FIBONACCI, VALID WORDS, PERFECT STRING, PALINDROMES AND PRIMES, SPECIAL ARRAY

Coders' Legacy 2018 (Rated): 

Useless Clocks, Fibonacci String, Killing Zombies

Code-XII: 

Dr Christine needs your help, The Robber Language, Help JARVIS solve Expressions

Keteki Quick Match 10: 

Total Strings (keteki)

December Lunchtime 2018 Division 1: 

Choosing from Buckets, Drawing Lines, Age Calculator

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

February Challenge 2019 Division 1: 

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

March Challenge 2019 Division 1: 

Chef and Soccer, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

March Cook-Off 2019 Division 1: 

XOR N-bonacci Sequence, Markers and Caps, Music Shopping

August Challenge 2019 Division 1: 

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay, Complement Spanning Trees

September Challenge 2019 Division 1: 

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Dodgers, Chef Designed a Network

October Challenge 2019 Division 1: 

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification

November Challenge 2019 Division 1: 

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure

December Challenge 2019 Division 1: 

Chefina and Ranges, Binary XOR, Sticky Notes, Test Generation, (Challenge) Cubical Virus, Addition

January Challenge 2020 Division 1: 

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1: 

Chef and Railway Stations, Expected Change, No Change Required, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1: 

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Leaked Answers (Challenge)

May Challenge 2020 Division 1: 

Triple Sort, Chef and Bitwise Product

May Lunchtime 2020 Division 1: 

Absolute Min Max, Escape One, Convert the String, Tree difference

DSA Learning Series - Contest 1: 

Factorial, Life, the Universe, and Everything, Coin Flip, Carvans, Lapindromes, Reverse The Number, Smart Phone, Laddu, Multiple of 3

DSA Learning Series - Week 2: 

Chefs in Queue, Compilers and parsers, Matched Brackets, Wormholes, Stupid Machine, Chef and Street Food, Penalty Shoot-Out II, Not All Flavours, Infix to Postfix

June Challenge 2020 Division 1: 

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Covid Sampling (Challenge)

October Challenge 2020 Division 1: 

Positive AND, Replace for X, D-Dimensional MST

November Challenge 2020 Division 1: 

Restore Sequence, Magical Candy Store, Scalar Product Tree, Unusual Queries

January Challenge 2021 Division 1: 

Curious Matrix, Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack

December Cook-Off 2020 Division 1 : 

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

December Lunchtime 2020 Division 1 (Unrated): 

Even Sequence, Three Letters, One Zero Swaps

October Cook-Off 2020 Division 1: 

Path-etic Sums, Yet Another Crossover Episode

October Lunchtime 2020 Division 1: 

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

March Challenge 2021 Division 1: 

Dense Graph, Consecutive Adding, Paparazzi Gennady, Space Arrays, Locked Safe, Maximum Topological Sort

April Challenge 2021 Division 1: 

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Pair Flips, Chef and Dice, Brahma and Shiva, Boolean Game

Reverse Coding: 

Odd Diamond, Permuting string, Mr X, Star and Hash, Alphabets, Numbers

August Challenge 2021 Division 1 (Unrated): 

Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Charge Scheduling, Fat Hut, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 1 (Unrated): 

XOR Equal, Shuffling Parities, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield

SnackDown 2021 - Online Qualifiers: 

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

September Lunchtime 2021 Division 1: 

Interesting Representation, Alice vs Bob Faceoff

SnackDown 2021 - Online Round 1A: 

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination: 

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all): 

Graduate Work Matters, Sorting Segments

January Lunchtime 2022 Division 1: 

Permutation XOR Sum

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