tasmeemreza

Practice: 

Count palindromes, Chef and Graph Queries, Queries on the String, Subarray LCM, Shift The String, Queries On Tree, Chef and Bitwise OR Operation, Amazing Experiment, Chef and Vectors, Chef and Polygons, Parity tree, Maximum K Sums, Chef and Amazingness of Numbers, Maximum Grid, Knight Covering, Dot It, A Family of Bipartite Graphs, Yalalovichik Strings, Minimum and Maximum, Make It, The Cheaper Cab, Maximise Score

October Challenge 2015: 

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

December Challenge 2015: 

Chef and the stones, Plane Division

November Cook-Off 2015: 

Sereja and Line

December Cook-Off 2015: 

Chef and Subarrays

December Lunchtime 2015: 

Ancient Berland Roads, Distinct Codes

March Challenge 2016: 

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016: 

Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

May Challenge 2016: 

Sereja and GCD 2, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016: 

Chef And The Hiring Event, Chef and Array and K, Devu and an Array

July Challenge 2016: 

Chef and Segments

September Challenge 2016: 

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

October Challenge 2016: 

Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016: 

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Kirito in Memeland, Chef and squares, Task for Alexey

February Cook-Off 2016: 

Puppy and Catchers, Puppy and Board, Puppy and Sum

September Cook-Off 2016: 

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings

January Lunchtime 2016: 

Triangle Classification

February Lunchtime 2016: 

Chef and Socks, Chef and Tic-Tac-Toe

March Lunchtime 2016: 

Two Closest, Simple Statistics, ABABAABA

July Lunchtime 2016: 

Drumpf for President!, Lumpy - The Bus Driver

August Lunchtime 2016: 

Studying Alphabet, Lock-Free Stack

September Lunchtime 2016: 

Chef and Inequality, Chef and Tree

December Lunchtime 2016: 

Superheroes and villains, Fly height mode, MST Queries

January Challenge 2017: 

Capital Movement, Cats and Dogs, Digits Cannot Separate, Tourists in Mancunia

January Cook-Off 2017: 

Digit Longest Increasing Subsequences 2

April Challenge 2017: 

Chef and Digits, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

June Challenge 2017: 

Chef and Prime Queries, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

August Long Challenge 2017: 

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Hill Jumping, Palindromic Game, Greedy Candidates, Strings and Graphs

November Challenge 2017: 

Chef Hates Palindromes, Polynomials, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes

March Cook-Off 2017: 

Rainbow Graph, Increasing Xor Sequence, Safe Robot

June Cook-Off 2017: 

Ada and crayons, SnackUp, Centeroid

October Cook-Off 2017: 

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Chef and Dancing Steps

June Lunchtime 2017: 

Maximum Unique Segment, Two Numbers, Company and Club Hierarchies

July Lunchtime 2017: 

Good Pairs

October Lunchtime 2017: 

Optimal Subset, Buggy Calculator, Maximum Number

IOPC 2017 (Rated): 

The Birthday Tears, Game Of Life, Max Out, Christmas Time

February Lunchtime 2018: 

Prefix borders, Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1: 

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

April Cook-off 2018 Division 1: 

Run Direction, Binary Nim

June Cook-Off 2018 Division 1: 

Sonya and Segments, Batman and Tree, Good Permutations

July Cook-Off 2018 Division 1: 

OR Matrix, Finding Second Maximum, Chef and GCD Game

December Cook-Off 2018 Division 1: 

Count Subsequences, Yalalovichik Numbers

April Lunchtime 2018 Division 1: 

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

April Challenge 2018 Division 1: 

Chef and Array (Challenge), Vaibhav and Ministers, Chef at the Food Fair, Cutting Plants, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes

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

December Challenge 2018 Division 1: 

(Challenge) Delete DAG, Colorblind Feast, Max and Electrical Panel, Directing Edges, Edge Addition, Chef and Interactive XOR

June Lunchtime 2018 Division 1: 

Unusual Sorting, Sort the Leaves, Summary Power

July Lunchtime 2018 Division 1: 

Make a String, Prime divisors

November Lunchtime 2018 Division 1: 

Useful Number, Beats and Pieces

December Lunchtime 2018 Division 1: 

Choosing from Buckets, Drawing Lines, Maximize the NOSS, Find Best Path, Age Calculator

January Challenge 2019 Division 1: 

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Maximum Distance, Party, A Pizza Slice

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

XOR! Wait for it, Shops in Mirzapur, Summation over nCr

February Cook-Off 2019 Division 1: 

Max Range Queries, Chef and Secret Password, Chef in Evil Land, Chef and Party

April Challenge 2019 Division 1: 

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal, Edgy

May Cook-Off 2019 Division 1: 

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor

May Lunchtime 2019 Division 1 (Unrated): 

Abdullah and Toll Discounts

June Challenge 2019 Division 1: 

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9

July Challenge 2019 Division 1: 

Maximum and Minimum, Circular Merging

July Cook-Off 2019 Division 1: 

Birthday Gift Again, War in Treeland Again, Minimum and Maximum, Expected Product

August Lunchtime 2019 Division 1: 

Beauty of Pairs, Equal Average, Destroy Cells

December Cook-Off 2019 Division 1: 

Xor It

December Challenge 2019 Division 1: 

Binary XOR, Scoring Pairs

January Challenge 2020 Division 1: 

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, Army of Me

April Challenge 2020 Division 1: 

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

May Challenge 2020 Division 1: 

Triple Sort, Sorting Vases, Not a Real World Problem, Chef and Rainbow Road

February Cook-Off 2020 Division 1: 

Maximum Subsequence Sum, XOR Game, Chef and Pepperoni Pizza Again

January Lunchtime 2020 Division 1: 

Construct Array

February Lunchtime 2020 Division 1: 

Coronavirus, Painter Problem, Secret Mission

April Lunchtime 2020 Division 1: 

Dot Time, Xor Jar Muluk Tar, Triangle Query, Positive Mex

ENIGMA - PLINTH'20 LNMIIT (Rated for all): 

Gru is Handing Out Bananas, Minion AND Range, Is it Sorted or Not, That is the Question, Recruit Villagers

June Challenge 2020 Division 1: 

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Perfect Partitions, Danya and Different Values

July Lunchtime 2020 Division 1: 

Golomb Sequence, Binary Concatenation , Pairs of Pairs

August Cook-Off 2020 Division 1 : 

Red-blue Trees, Polygon Relationship, Chefina and Dishes

September Lunchtime 2020 Division 1: 

Permutation Split, Root the Tree, Robot Detector, Few Different Elements

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