Darshan Lokhande

Practice: 

Prime Generator, Factorial, Small factorials, Enormous Input Test, Turbo Sort, ATM, Life, the Universe, and Everything, The Lead Game, Ciel and A-B Problem, Ciel and Receipt, Packaging Cupcakes, Maximum Weight Difference, Polo the Penguin and the XOR, Number Mirror, Chef and Remissness, Dish Owner, Chef and Stones, Lucky Four, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Valid Triangles, Second Largest, Small Factorial, Finding Square Roots, Help Lost Robot!, Beautiful Arrays, Watson and Digit Sums, Coder Life Matters, Help Voldemort, Minimum Deletions, Naive Chef, Decrement OR Increment, Area OR Perimeter, Magic Set, Chef and Secret Ingredient, Chef and Bored Games, Balsa For The Three, Chef and Serves, Byte to Bit, Grid Game, Qualifying to Pre-Elimination, Chef and SnackDown, Graph on an Array, Three Friends, Chef and Sequence, Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem, Play Piano, A - Even Odd subsequences, Life Limited, Camp Or Not, Print Pattern, Parity Again, Minimum and Maximum, Ping Paja Pong, Chef and Mean , Birthday Gift Again, Swapping, You, Two Groups, All Substrings, D-Or, Sticky Notes, Counting Inversions Revisited, Chef and String, Chef and Walk, Chef and Rotation, XOR Game, Mysterious Sequence, Chef and Numbers, Laxman and Maths, Hanuman and Tree, Raavan and Sub-Array, Bharat and Possibilities, Lord Ram and XorOrXorOr Power, Tree difference, Per Capita Income, Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Helping Hands, Even-tual Reduction, OR-thodox Distinction, Chef and Steps, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Maximum Candies, Chef and the Combination Lock, Smallest KMP, Game on a Strip, Chef and Wedding Arrangements, Polygon Relationship, Chef and Work, Beautiful Subsequence, K-Foldable String, Mode of Frequencies, Alien Invasion , Ratings and Rankings, Maximise Subsequence Value, Root the Tree, Binary String MEX, Robot Detector, Inversions, Positive AND, Restore Sequence, An Inveractive Problem, The In-XOR-able Task, Chef Is Just Throwing Random Words, Scalar Product Tree, Counting Spaghetti, Cute Chef Gift, Set Queries, Hiring Workers, Fractions, Square Root of LCA Convolution, Even Pair Sum, Expected Number of SCCs, Mex Subsequence, Array Swaps, Carry All Fruits, Even Sequence, Fair Elections, Maximum Size, XOR Sums, Even Sum, String, Paparazzi Gennady, Valid String, Palpal Strings, Independent Set, A Special Tree, Matrix XOR, Racing, Minimum Popping, Tic Tac Toe, Optimal Denomination, Palindromic number, Longest Good Segment, Magical Flips, 2-D Point Meeting, The Minimum Game, Yet another MEX problem, Even Subset Xor, Anti Palindrome

Past ZCO Problems: 

Round Table, Tournament, Little Red Riding Hood, Video Game, SUPW, Smart Phone, IPL, Break Up, Covering, Bookshelves, Moving Intervals - ZCO 2018, Four Sum, ZCO 2019 - 1 Singing Tournament, Matched Brackets

September Mega Cook-Off 2018 Division 2: 

Make a Permutation, ATM Machine

September Challenge 2018 Division 2: 

Magician versus Chef, War of XORs, Chef and Adventures

November Challenge 2018 Division 2: 

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

September Lunchtime 2018 Division 2: 

Judging Delay

InfInITy 2k18: 

The Ego Stone, Skip It!

July Cook-Off 2019 Division 2: 

Playing with Strings, Two Variables

August Challenge 2019 Division 2: 

Dilemma, Zombie and the Caves, Distribute Apples, Guddu and his Mother, Football

September Mega Cook-Off 2019 Division 2: 

Playing with Matches

December Challenge 2019 Division 2: 

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

December Cook-Off 2019 Division 2: 

Change It, Purify It

March Cook-Off 2020 Division 1 : 

Mysterious Sequence

Just Coding Wildcard Round: 

Wednesday Thursday Friday

IARCS OPC Judge Problems: 

End of Corruption

ICPC Asia-Gwalior- Pune Onsite Replay Contest 2019: 

Expected Area

September Challenge 2020 Division 1: 

Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix

Carnival Finale: 

L for LCM, Bunch Of Coins, N for Number

SnackDown 2021 - Online Qualifiers: 

Lucky Number

Starters 65 Division 2 (Rated): 

Nahaane Jaa, Candies, Binod, Potato to Gold

Starters 105 Division 2 (Rated): 

Take it Easy

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