Amit kumar

Practice: 

The Next Palindrome, Marbles, Bytelandian gold coins, Life, the Universe, and Everything, Closing the Tweets, Root of the Problem, Cats and Dogs, Find the Maximum Value, Statistics Construction, Subsequence Equality, Chef and Employment Test, K Fibonnaci, Ada Bishop, Reduction Game, Robots Again, NiKo and chocolates 2, Ada Matrix, Maximize the Tax, It happens every year, Drink Slush, Warriors, Rich Substrings, Two Circles, Equal Average, Destroy Cells, All Substrings, Treeversion, Find the Sum

Past INOI Problems: 

Calvins Game

August Long Challenge 2017: 

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017: 

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017: 

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017: 

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017: 

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

September Cook-Off 2017: 

Subsequence Equality

September Lunchtime 2017: 

Chef and Cook-Off Contests

January Challenge 2018: 

Maximum Score, Rectangle

January Cook-Off 2018: 

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018: 

Chef and Game with Sequence

February Challenge 2018: 

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 1: 

Chef and Easy Problem, Mix the Colors, Minions and Voting

June Cook-Off 2018 Division 2: 

Archi and Comparsion, Good Permutations

July Cook-Off 2018 Division 1: 

OR Matrix, Chef and GCD Game

September Mega Cook-Off 2018 Division 1: 

OneTwo, Make a Permutation

October Mega Cook-Off 2018 Division 1: 

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1: 

Beautiful Garland

December Cook-Off 2018 Division 1: 

Yalalovichik Numbers, Yalalovichik Strings

June Challenge 2018 Division 1: 

Binary Shuffle

July Challenge 2018 Division 1: 

Reach Equilibrium, No Minimum No Maximum, Gears, Magic Set, Strike or Spare

August Challenge 2018 Division 1: 

Coordinate Compression , Modular GCD, Interactive Matrix, Lonely Cycles

September Challenge 2018 Division 1: 

AND Square Subsegments, Sasha and Photos, Table Game, Bad Shuffle

December Challenge 2018 Division 1: 

Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

October Challenge 2018 Division 1: 

Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard

June Lunchtime 2018 Division 2: 

Sort the Leaves, Summary Power, Counting Pretty Numbers

October Lunchtime 2018 Division 1: 

Coloring the Grid, Weird Question, Niceness of the Arrays

ProCon 2018 (Rated for all): 

The Great Run, Kill them with your success, Awkward Pairs, Algebra Score

ICO Preparatory Contest 2019 #2: 

Lonely Vijju, Vijju, Taran and Terrible Implementations, Partitioning Vijju

Elektra 3.0: 

TomorrowLand, Chefu and Chocolates, Chef and Prime Domination , Jack, Jill and Chefland

January Challenge 2019 Division 1: 

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, (Challenge) Chef and Matching Game, A Pizza Slice

January Cook-Off 2019 Division 1: 

Ada School

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all): 

XOR! Wait for it, Return of the Gargoyle King, Ross goes for Shopping, Summation over nCr

January Lunchtime 2019 Division 1: 

Distances, Rooks

February Challenge 2019 Division 1: 

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance

February Cook-Off 2019 Division 1: 

Max Range Queries, Chef and Secret Password, Chef and Party

CodeCharades 2k19: 

Party At Anwesha, Back to School 1

March Challenge 2019 Division 1: 

Chef and Soccer, Cheating on Queue, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

April Challenge 2019 Division 1: 

Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal, Moving Rectangles (Challenge)

April Cook-Off 2019 Division 1: 

Random Game, Pied Piper vs Hooli

April Lunchtime 2019 Division 1: 

Firdavs and Planet F, Minimum Sum

ICM Technex 2019: 

Array got some moves, Bob and his strict mom

June Challenge 2019 Division 1: 

Chef and Proxy, Lent Money, Chef and Ingredients, Sum and GCD

July Cook-Off 2019 Division 1: 

Birthday Gift Again

August Challenge 2019 Division 1: 

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

September Mega Cook-Off 2019 Division 1: 

Angry Grandfather, Hiring Chefs, Fitness Exercises

October Challenge 2019 Division 1: 

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

November Challenge 2019 Division 1: 

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

Alkhwarizm (Rated for all): 

Arya and the Grid of Stars, Weirwood Trees, Danny Wants To Know

Code Melange (Rated for all): 

Greg and Grid, A Small Array, Go Round, Longest Xommon Subsequence, Max power

GeekHaven Contest 2: 

Tom the gardener, Round Around

Exun Programming Prelims 2019 (Rated for all): 

Weird Modulo Problem , Tennis Tournament, Chipped Tree, Yet Another Partition Problem

CodeChef Starters 20 Division 1 (Unrated): 

Stable Sequence, Weird Values, Brutal-Xors

December Challenge 2021 Division 1 (Unrated): 

Valleys and Hills

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