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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

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uwi

  • 7★uwi
  •   Japan
  • Professional
  • Recruit Holdings Co., Ltd.
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No. of Contests Participated: 212
2906 (+1)RatingProvisional
Rating i Provisional Rating, click to know more
SnackDown 2021 - Online Elimination Round (Rated for all)(2021-12-13 16:30:00)
Global Rank:   19
Cheated in:   

Ratings System Update

(2021-12-13 16:30:00)
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2906 (+219)RatingProvisional
Rating i Provisional Rating, click to know more
SnackDown 2021 - Online Elimination Round (Rated for all)(2022-12-20 00:00:00)
Global Rank:   19
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

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Contests (212)

The November CookOff

One Dimensional Game of Life, Cutting Recipes

The December 2010 Cook-Off

Preparing Dishes, The Morning Commute, Pairing Chefs

The January 2011 Cook-Off

Holes in the text, Chef team, Whole submatrix, Time of collisions

February Cook - Off Challenge

Integer Sequences, Breaking Into Atoms, Three Way Communications, Dance Floor Energy

March Cook-off Challenge

Money Transformation, Snake Snaky

April Cook-Off Challenge

The Grand Cook Off, A Prime Conjecture, Internet Media Types

May Cook-off 2011

Popular Rice Recipe, Packing the Golden Triangles, Distribute idlis Equally

June Cook-off

Correctness of Knight Move, Super-plane

July 2011 Long Contest

Large Kitchen, A-E Hash Function, Most Popular Friend

July Cook-off 2011

Misinterpretation, Garden Squares, Pleasing Chief

August Long Contest 2011

Infinite Grid Game, Complex Spanning Tree

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String, Angry Chef - Crispy Chips, Collect the Chocolate Chips

October Long Contest 2011

Dish Distribution, Repeated String, Lucky Palin

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

October Cook-off

Generalized Arithmetic Progression Free Sequence, Permute Digits, First non-Palindrome, Chef Travel Routes

November Long Contest 2011

Chefs new Pet, New Restaurant, The Postal Service

November Cook-Off

Colorful Chain, Moving Coins, Subanagrams

December 2011 Long Contest

Birthday Gift, Robot Movings

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem, Ciel and Battle Arena

January 2012 Challenge

Houses and Restaurants, Gap Filler Game, Lucky Sum

January Cook-Off

Collision in Space, Makx Sum, Zeta-Nim Game

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Find a Subsequence, Smart Chef vs Evil Chef, Word Couting, Count of Maximum

February 2012 Cook-off

Bears and Bees, Careful Calculation, Daily Train, Equation Solver

March Cook-Off 2012

Ciel Numbers I, Ciel Numbers II, Ciel and Genjiko

April Challenge 2012

PDS Number, Lucky Array, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs

April Cook-Off 2012

Selection for Training Camps, Top Batsmen, Crease Painting, Resistance, Best Buggy Ratings

May Challenge 2012

Digits Forest, Killing Gs, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Selling Tickets, Divisible Pairs, Remember the recipe, Little Elephant and Boxes, A Home for Chef

May Cook-Off 2012

Little Elephant and Balance, Little Elephant and Strings

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers, Golden Trees

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

August Cook-Off 2012

Rebuilding Byteland, Codechef Password Recovery, Forced Output, Code Crazy Minions, Asmany Number Verification

September Cook-Off 2012

Pizza Tossing, Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam

October Cook-Off 2012

Buying Sweets, Equalization, Tennis Tournament, Tree Fun

November Cook-Off 2012

Little Elephant and Magic, Little Elephant and Permutations, Little Elephant and Divisors

December Cook-Off 2012

Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions

January Cook-Off 2013

Minimum Distance, Many Chefs, Defacing Score

February Cook-Off 2013

Lack of Logic, Row and Column Operations, End Of The World 2, Hotel Balifornia 2

March Cook-off 2013

The Ball And Cups, Palindrome, Traveling Plan, Level Of Difference, Bishops

April Cook-Off 2013

Andrew and the Birthday, Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again

May Cook-off 2013

Rook Placement, Subtraction Game 1, Subtraction Game 2, Sequence Transmission

June Cook-Off 2013

Attic Crossing, Lyra and the Alethiometer, Tywins Tactics, Party Planning

July Cook-off 2013

Chopsticks, Compressed String, A Plus B Again!, Counting The Acute Triangles

Lunch Time July 2013

Cooking dishes, Paying optimally, Optimal Trip, Entangled Strings

August Cook-Off 2013

Chef and The Right Triangles, Chef and The Divisibility Queries, Chef and The String of Digits

August Lunchtime 2013

Pairwise AND sum, Matrix

September Cook-Off 2013

Strange Matrix, Game, Code, Big Number

October Cook-Off 2013

Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR, Polo the Penguin and the Tree

September Lunchtime 2013

Chef and Magic Numbers , Chef and Gift, Chef and Pie, Chef and Science

October Lunchtime 2013

Girl Friend and String Gift, Combinatorial Numbers, Exponential Game, Chefs in Queue

November Cook-off 2013

Am I a Fibonacci Number, Lowest Sum, Number of Paths, Trees and Subtrees, Rank of the Number

November Lunchtime 2013

Lucy and the Number Game, Lucy and the Math Analysis, Lucy and Palindromes, Lucy and Question Marks

December Cook-off 2013

Chef and Substrings, Chef Goes Through Segments, Chef and Girlfriend, Chef and Combinatorics

December Lunchtime 2013

Perfect Subarrays, Mike and Task Packages, Mike and Matrices , SuperFunction

January Cook-off 2014

Chef and the Cake I, Subtraction Game, Interrogating Gangsters

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Uniqueness, Chef and Reunion

March Cook-Off 2014

Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Dividing Stamps

April Cook-Off 2014

Snape and Ladder, BiCo Gaming Grid, Travelling Chef Problem, Distant Relatives

May Cook-Off 2014

Substrings and Repetitions, Book Game with Chef, Divide the Cake, Ups and Downs

June Cook-Off 2014

Where the Wild Things Are, Counting Flags, Knapsack Problem, Painting, Idols and Fans

July Cook-Off 2014

Copy-Paste, Present for Andrii, Sum Queries, Tree Again, Friends

August Cook-Off 2014

Tree Game, Permutation Shuffle, Shooting, Count Digits

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2, Updating Edges on Trees

October Cook-Off 2014

The Dirty Path, The Army, Walk on the Axis, Substring and five rules, Mahesh and his lost array

November Cook-Off 2014

Covering Sets, Lost Graph, Most Distant Points, Brackets, Petersen Graph

December Cook-Off 2014

Servers, Jam, Matrix Again, Player, Good Joke!

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers, Chef and Way

February Lunchtime 2014

Sereja and Two Arrays, Sereja and ASum, Sereja and D, Sereja and Arrays

April LunchTime 2014

Minimum Product, Minion Circle, Knight Fork, Tracy and Charlie

March Lunchtime 2014

How many sequences, Nice SubSegments, A Game With a Sheet of Paper, Statements Checking

May Lunchtime 2014

Divisible Subset, Approximately II, Roots of a Tree

June Lunchtime 2014

Substring Query, Coprime Triples, The Smallest Pair, Dynamic Inversion

July Lunchtime 2014

And Operation, Shift The String, Lowest Common Ancestor, Simple Editor

August Lunchtime 2014

Harrenhal, Wall, Iron Islands

September Lunchtime 2014

Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2

October Lunchtime 2014

Tanu and Head-bob, And Tuples, Physics Class, Cascading Style Sheets

November Lunchtime 2014

A wolf, a sheep and cabbage, Deja Vu, Yet another substring problem, Dividing the Students

December Lunchtime 2014

Delivery Man, Sum Of Binomial Coefficent , Queries On Tree, String Matching

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities, Anup at Amrithapuri, Random Rudreshwar, Abhijeet and rectangles

January Lunchtime 2015

Piece of cake, Candidate walk, Just multiply, Many bananas

February Cook-Off 2015

Zombinatorial, Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle, Strategy for the World Cup

March Cook-Off 2015

How to Minimize a String, How to Choose a Subset, How to Write a Message, How to Repaint a Fence

April Cook-Off 2015

Lucky Fives, Special Agents, Taxi Driver, Equality, Version Control System

May Cook-Off 2015

Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake, Devu and most energetic minion

June Cook-Off 2015

Ankit, Srijan and a game of stone piles, Bored of Nim, Longest non regular parentheses sub-sequence, Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum, Adding Up Sequences of Towers

August Cook-Off 2015

Chef and the XORed Number , Chef and the Number Sequence, Chef and the Wildcard Matching

September Mega Cook-Off 2015

Reign 2, Counting Subgraphs, Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Palindrome Pairs, Second LIS, Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs, Sereja and Tree, Sereja and Tree 2

December Cook-Off 2015

Chef and Subarrays, Chef and Queries, Chef and Tree

February Lunchtime 2015

Lucky Four, Heavy-light Decompositions, The Warehouse, The First Cube

April Lunchtime 2015

Palindromeness, House Cleaning, Euler Totient Function Extended, Tickets

May Lunchtime 2015

Devu and Grapes, Maximum Matching, Devu and Manhattan Distance, Number of Ways

June Lunchtime 2015

Chef and Bitwise OR Operation, Chef and Submatrix, Chef and Two Strings, Chef and Sets

July Lunchtime 2015

Greedy puppy, Puppy and GCD, Puppy and game, Puppy and cats

August Lunchtime 2015

Churu and lost string, Gaming Inversion, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Coffee Breaks, Many Lists, Pattern matching, Sum of palindromic numbers

October Lunchtime 2015

emitL, Save the nature, Fast squarer, Estimating progress

November Lunchtime 2015

Chef And A Complete Graph, Query over Matrix, Black And White Cells, Product on Tree

December Lunchtime 2015

Computer Network, Ancient Berland Roads, Buying Seedlings, Distinct Codes

January Cook-Off 2016

Chef and Destruction, Chef And Palindromes, Chef and Maximum Sum Matrices , Chef And Fibonacci Tree, Chef and Fruits

February Cook-Off 2016

Puppy and Palindromes, Puppy and Catchers, Puppy and Board, Puppy and Sum

March Cook-Off 2016

Not even planar, Digital clock, Dual Nim, Alternating subarray prefix, The potato problem

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree, LCP Maximization, Bit Twister on a Tree

May Cook-Off 2016

Phantasialand, Easy Numbers, Tandem

June Cook-Off 2016

Sticks, Right Triangle, Cutting Cake, Chef Land, Range Minimum Queries

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Land, Chef and Array, Chef and Sort

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum , Math Hatter, Mock Turtle, Queen of Hearts

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Shortest path queries

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, ChefWatson uses Social Network, Sherlock and Smallest Window

November Cook-Off 2016

Sebi and the equation 2, Sebi and the cube, Sebi and the highway, Sebi and the black money, Sebi and the corrupt goverment

December Cook-Off 2016

Chef and Subset, Chef and Subarrays, Chef and Queries, Chef and Numbers

January Lunchtime 2016

Peaks, Exponential Sub-Palindromes, Table Covering, Triangle Classification

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe, Chef and Polygons, Chef and Dominating Subarrays

March Lunchtime 2016

Two Closest, Arrays Sum, Simple Statistics, ABABAABA

April Lunchtime 2016

Maximum K Sums, Tree Coloring, Tree Labelling, Coins And Triangle

June Lunchtime 2016

Collisions, One more weird game, Square in numbers, Travelling in a tree

July Lunchtime 2016

Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far

August Lunchtime 2016

Studying Alphabet, Short in Average, Lock-Free Stack

September Lunchtime 2016

Chef and Inequality, Chef and Words, Chef and Tree

October Lunchtime 2016

Restore the Permutation, FastFood Combos, The Largest Bouquet, The Counties

November Lunchtime 2016

Chef and his Students, Chef and Square Set, Chef and Balanced Polygons, Tom & Jerry

December Lunchtime 2016

Superheroes and villains, Fly height mode, MST Queries

January Cook-Off 2017

Digit Longest Increasing Subsequences, Xor Grid, Matrix Transformation, Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file, To add or to multiply game, Mixing flavors, Chairs, Cooking Game

January Lunchtime 2017

Sealing up, Nothing in Common, Improve the Permutation, Segment Queries

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies, Bear and Bribing Tree, Bear and Oveflow Points

March Cook-Off 2017

Rainbow Graph, Meeting location, Yet Another Card Game, Increasing Xor Sequence, Safe Robot

May Cook-Off 2017

La Liga, Balanced Array, Hussain Set, Nasty Queries, Binary Tree

June Cook-Off 2017

Ada and crayons, Knight Covering, A Study in Bake Street, SnackUp, Centeroid

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Chang and Beautiful Sequences, Bipartite Graph from Trees

August Cook-Off 2017

Tree Connectivity, Game on Stick, Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, Mixing Colors

October Cook-Off 2017

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

November Cook-Off 2017

Hasan and boring classes, Skiing, Online Chess, Random Pair

December Cook-Off 2017

Minimum SubArray, Rotate Point, Beautiful Array, Football Match

April Lunchtime 2017

Bear and Digit Virus, Bear and Segments, Closest points queries, Bear and Segment 01

May Lunchtime 2017

Prefix Inversions, Post Tree, SubInversing

June Lunchtime 2017

Maximum Unique Segment, Two Numbers, Company and Club Hierarchies

July Lunchtime 2017

Find the Maximum Value, Good Pairs, Travel to all Points, Divide the Set

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams, Mathison and the teleportation game, Mathison and the cubic tree

September Lunchtime 2017

Chef and Dice, Chef and Cook-Off Contests, Chef and Programming Contest by His Friend

October Lunchtime 2017

Weird Competition, Optimal Subset, Buggy Calculator, Maximum Number

November Lunchtime 2017

Smart Strategy, Shuffling, L-R queries, Strange Queries

December Lunchtime 2017

Days in Month, Strange Function, Too Much Sweetness, Four Friends

IOPC 2017 (Rated)

The Birthday Tears, Game Of Life, Max Out, Christmas Time, Solve the Assignment, Help your friends

January Cook-Off 2018

Multiple of 3, Make array great again, Finding the matrix, 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

February Lunchtime 2018

Prefix borders, Game with numbers, Jumping in the hills

March Cook-off 2018 Division 1

Maximum Tree Path, Chef Goes to the Cinema, Chef Restores an Array, Chef Chooses a Subset, Chef Restores a Matrix, Chef Judges a Competition

April Cook-off 2018 Division 1

Run Direction, Binary Nim, Pawn Chess

May Cook-off 2018 Division 1

Difficult Choice, Best Cake Ever, Searching for the Recipe

June Cook-Off 2018 Division 1

Masha and Minions, Sonya and Segments, Danya and Numbers, Batman and Tree, Good Permutations

July Cook-Off 2018 Division 1

OR Matrix, Finding Second Maximum, Chef and Queries on a Tree, Chef and GCD Game

August Cook-Off 2018 Division 1

GukiZ and Candies, Mixi Game, Hack Fulu, No Queries No Fun, Standard Tree Task

September Mega Cook-Off 2018 Division 1

OneTwo, Learning Dishes, Dot It, Make a Permutation, Ghayeeth vs Siroj

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1

Data Pipelines, Beautiful Garland, A-B Game, Tree Unattractiveness, Elephants in a Pond

December Cook-Off 2018 Division 1

Count Subsequences, Swag Subsets, Yalalovichik Numbers, Yalalovichik Strings

April Lunchtime 2018 Division 1

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

May Lunchtime 2018 Division 1

Sum on Tree, Count Substrings, Shifted Palindrome, Weak in the Middle, Maximum Plus

June Lunchtime 2018 Division 1

Unusual Sorting, Sort the Leaves, Permutation Composition Queries, Summary Power

July Lunchtime 2018 Division 1

Forced Particles, GCD Sum, Make a String, MEX and Ranges, Prime divisors

August Lunchtime 2018 Division 1

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

September Lunchtime 2018 Division 1

Biased Judgement, Opposite Cites, Chef Restaurant , Match the Streams, Coin Partition

November Lunchtime 2018 Division 1

Useful Number, Median, Maximize It, Probability, Beats and Pieces

October Lunchtime 2018 Division 1

Robots Again, Coloring the Grid, Weird Question, Tree Walk, Niceness of the Arrays

ALKHWARIZM (Rated)

Harry in the Chamber of Secrets, Help Voldemort, Hedwig The Smart Bird, Room Of Requirement, Harry Potter and the Goblet of Fire, Harry Potter and the Deathly Hallows - 2, Deathly Hallows and The Cloak Of Invisibility, Wingardium Leviosa, Sam, The Charming Angel

Code Melange (Rated)

XD Subsequences, Subsegment Sum, Y Figures, Xorangements, CPI Crisis, Longest Constrained Subsequence, The Deadly Sin, Computer Virus, Candy Love

Coders' Legacy 2018 (Rated)

Useless Clocks, Fibonacci String, Killing Zombies, The Kingdom of Ererraveth, Triangles in a Grid

ProCon 2018 (Rated for all)

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

January Cook-Off 2019 Division 1

Ada School, Ada Pawns, Ada Matrix

January Lunchtime 2019 Division 1

Distances, Wanderer, Rooks, Mouse Meets Cheese

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, The Most Amazing Dish, Chef in Evil Land, Chef and Party

February Lunchtime 2019 Division 1

Roll the Bar, Families of Chefland, The Tricky Deal, Chef Challenge

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Points and Convex Hulls, Markers and Caps, The Frictionless Bisected 2-Dimensional World, Music Shopping

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display, Tree Flow, Travelling Saleschef, GCD Subsequences, Partition into Permutations

Coders' Legacy 2019 (Rated for all)

Bathwater, Metro, IPL and RCB, Up for a Game, Paths

April Cook-Off 2019 Division 1

Doubly Increasing Path, Random Game, Pied Piper vs Hooli, Mystery Tree, Guess My Age

April Lunchtime 2019 Division 1

Dream Problem, The Last Droid, Firdavs and Planet F, Minimum Sum, Chef Rami and Inventions

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour, Reverse Maximisation, XOR Magic, Intervals and Intersections, Abdullah and Toll Discounts

June Cook-Off 2019 Division 1

Zawad and Index Sum, Nice Subsets, The Secret Recipe, Ants and Anteaters, Drink Slush

June Lunchtime 2019 Division 1

Fuzzy Conversions, The Grux Permutation , Gii and His Club, Igzi and Burly Array, Ivan Pesic and His World Tour

July Cook-Off 2019 Division 1

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

August Cook-Off 2019 Division 1

Magic Permutations, Warriors, Rich Substrings, Friends and Candies, Two Circles

August Lunchtime 2019 Division 1

Beauty of Pairs, Beauty of Segments, Equal Average, Destroy Cells, Chef Does Coke Yet Again

September Mega Cook-Off 2019 Division 1

Save Jewels, Angry Grandfather, Hiring Chefs, Fitness Exercises

September Lunchtime 2019 Division 1

All Substrings, Ice Cream Queue, Treeversion, Apples and Oranges, Find the Sum

October Mega Cook-Off 2019 Division 1

D-Function, D-Value, Hidden Sequence, D-Or

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Double Distance Query, Box Game, Kth Numbers

November Lunchtime 2019 Division 1

Team Trees, Planting Trees, Washing Windows, Perfection, Servers

December Cook-Off 2019 Division 1

Xor It, Crash It, Make It, The Inexplicable Giant Floating Baby Head

Alkhwarizm (Rated for all)

Arya and the Grid of Stars, Cersei and her Soldiers, Game of Theory, Winter Is Here, Weirwood Trees, Danny Wants To Know, They are COMING

January Cook-Off 2020 Division 1

Almost Palindromic, Profitable Paths, Count It, Range AND, Chefina and Sums

February Cook-Off 2020 Division 1

Must Be Divisible, Maximum Subsequence Sum, XOR Game, Sweetest Candy , Chef and Pepperoni Pizza Again

March Cook-Off 2020 Division 1

Mysterious Sequence, A Tree to Remember, Maximize Letter Beauty, Random Chocolates, Escape the Tree

April Cook-Off 2020 Division 1

Tower Counting, Simple Operations, Inversions in Permutations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Chefland Squads and the Army Chief, Chefina on a Trip, Roads in Chefland, Curious Queries

January Lunchtime 2020 Division 1

Minimum and Maximum, Construct Array, CCDSAP Exam, Under the Tunnels, Folding Paper

February Lunchtime 2020 Division 1

Coronavirus, Painter Problem, Swapping to Palindrome, Monsters Battle, Secret Mission

April Lunchtime 2020 Division 1

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

May Lunchtime 2020 Division 1

GCD of the Submasks, Absolute Min Max, Escape One, Convert the String, Tree difference

UWCOI 2020 (Rated for all)

Button Pairs, Base Plans, Find maximum in an Array, Blocks, Mercury Poisoning, Escape, Optimal Memory Address

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, MEX-ception, The In-XOR-able Task, Even-tual Reduction, OR-thodox Distinction, Path-etic Products

July Lunchtime 2020 Division 1

Profitable Paths 2, Golomb Sequence, Coloured Pairings, Binary Concatenation , Pairs of Pairs

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship, Chefina and Dishes, Beautiful Subsequence

June Lunchtime 2020 Division 1

Maximum AND, Chef, Chefina and Restoration, Kuroni and the Cowsheds, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Or, Chef and Subsequences, Chef and Array, Chef and Numbers

October Cook-Off 2020 Division 1

Path-etic Sums, An Inveractive Problem, The In-XOR-able Task, Isomorphic Morphism, Yet Another Crossover Episode

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Graph Construction, Hiring Workers

October Lunchtime 2020 Division 1

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

November Lunchtime 2020 Division 1

Gasoline, Fractions, Circle Eating

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift, Perry learns Binary, Unique Substring

September Cook-Off 2020 Division 1

Joined Subarrays on Tree, Balancing Game, Maximise Subsequence Value, Minimum Insertions, Graph Labelling

September Lunchtime 2020 Division 1

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

SnackDown 2021 - Online Qualifiers

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

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, Mega mu - 1

SnackDown 2021 - Online Elimination Round (Rated for all)

One Change Subsequences, Random Convex Hull, Graduate Work Matters, Sorting Segments

SnackDown 2021 - Final Round

Ones Guessing, Equal Number of Prefix Maximums, Finally, Non Ad-Hoc Problem, AND of Maximums

Total Problems Solved: 1540

2906
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 3191)
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Contest Contender - Diamond Badge

Received for participating in 100 Contests

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Problem Solver - Diamond Badge

Received for solving 1000 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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