Kaustubh Miglani
Rookie League
- kira_1234
India- Student
- Indian Institute of Technology Madras
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (2)
Contests (55)
December Lunchtime 2019 Division 2
Stupid Machine, Check Algorithm, Guess the number
February Challenge 2020 Division 2
No Change Required, The Theatre Problem, School of Geometry, Hard Cash
March Challenge 2020 Division 2
XOR Engine, Ada Bishop 2, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
May Challenge 2020 Division 1
Triple Sort, Coronavirus Spread, Isolation Centers
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
March Cook-Off 2020 Division 2
Find Your Gift
April Cook-Off 2020 Division 2
Matrix Decomposition, Lift Requests, Simple Operations
May Cook-Off 2020 Division 1
Chef and Recipe, Chef, Chefina and Their Friendship, Roads in Chefland
February Lunchtime 2020 Division 2
At the Gates
March Lunchtime 2020 Division 2 (Unrated)
Chef Swaps Digits, Good Prefix
April Lunchtime 2020 Division 1
Another Birthday Present!, Positive Mex
May Lunchtime 2020 Division 1
Convert the String
June Challenge 2020 Division 1
Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, Convenient Airports, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
July Challenge 2020 Division 1
Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
August Challenge 2020 Division 1
Insanely Hard School Exams, Subsequence Frequency Counting, Chefina and Strange Tree, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
September Challenge 2020 Division 1
Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Rotate the Polyline, Divide Candies, Ada Matrix, Coronavirus Spread 2
July Cook-Off 2020 Division 1
What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction, Path-etic Products
July Lunchtime 2020 Division 1
Golomb Sequence, Chef and Steps, Binary Concatenation
August Cook-Off 2020 Division 1
Polygon Relationship
August Lunchtime 2020 Division 1
Game on a Strip, Counting Graphs, Alien Invasion
June Cook-Off 2020 Division 1
Cache Hits, Per Capita Income, Max Mex, Checkpoints
June Lunchtime 2020 Division 1
Maximum AND
October Challenge 2020 Division 1
Inversions, Positive AND, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares, Covid Run, Chef and Easy Queries
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
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, Cute Chef Gift
November Lunchtime 2020 Division 1
Gasoline, Fractions
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian, Doof fires Brackets
September Cook-Off 2020 Division 1
Maximise Subsequence Value, Minimum Insertions
September Lunchtime 2020 Division 1
GCD operations, Root the Tree, Robot Detector, Watermelon
Code Ensemble (Rated for Division 2)
Cherry and Bits, Priya and AND, Traversing Trees, Help Martha
UWCOI 2021 (Rated for all)
Organisation, Array Swaps, Efficient Delivery, Hidden Numbers, Binary Puzzle
CodeChef Div 3 Rated Contest 2021 Division 1 (Unrated)
Maximum Size Hollow Square, Rectangle, Chef and Patients, Total Overlap, Body Mass Index, Total Score
International Coding Marathon 2021 Division 1 (Unrated)
Suffix Sort, Infinite polygons, Stack Of Rectangles, Team Divisions, Lucky Boundaries
May Challenge 2021 Division 1 (Unrated)
Xor Equality, Tic Tac Toe, Golf, Solubility
July Challenge 2021 Division 1 (Unrated)
XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Chef and Pairs, Relativity, Dakimakura Distribition, K Path Query
AlgoManiac - Code For Future Division 1 (Unrated)
Planetary Path, Two Shades Of A Tree, Say No To Drugs, The Rumbling, The Old Saint And Three Questions, Meet In The Median
September Challenge 2021 Division 1 (Unrated)
XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference
CodeChef Starters 12 Division 1 (Unrated)
K - balanced string, Good Weather, Make it Divisible, Another Shortest Paths Problem, Maximum Points, The Minimum Game
CodeChef Starters 14 Division 1 (Unrated)
Odd GCD, Task Times, Diagonal movement, FIXFIX, Counting Tuples, RCB and Playoffs
CodeChef Starters 16 Division 1 (Unrated)
Professor And Directions, Chef And Salary Pay, K - Magical String, Chef and Magical Steps, Subarray Sum, Pass or Fail
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
SnackDown 2021 - Online Round 1B
Yet Another Flipping Problem 2, Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Product Pain
CodeChef Starters 20 Division 1 (Unrated)
Finding Pairs, Stable Sequence, Weird Values, Genes, Brutal-Xors, Chef and Pal
FizzBuzz Division 1 (Unrated)
Magical Planks, Clean The Sequence, Lucky Ali, Substring Minimum Function, Kingdom Attack
November Lunchtime 2021 Division 1
Min-Max Rotations, Permutation Pairs, Subarray Jumps
December Challenge 2021 Division 1 (Unrated)
Increasing String , Yet Another Tree Problem, Check Mate, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Utkarsh and Placement tests, Squares Counting
SnackDown 2021 - Elimination Parallel (Rated for Div 1)
Yet another subarray problem, Remove Element, Balance Zeroes and Ones, Car Range, Graduate Work Matters, Sorting Segments
December Lunchtime 2021 Division 1
Optimal Sorting, Romantic Reversals, Sleep Technique
CodeChef Starters 21 Division 1 (Unrated)
ChefWM, And Or Union, Mean equals Median, The Melancholy of Problem Setter
Infinity 2k21 Division 1 (Unrated)
Marbles, Ddakji, Tug of War, Escape Plan, Hopscotch, Dalgona Treat
January Long 2022 - I, Division 1 (Unrated)
Keplers Law, Sequence Master, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles
January Cook-Off 2022 Division 1
Subsegment Divisibility , Merged LIS, Boring Trip, Prime Graph, Erase All But One
CodeChef Starters 23 Division 1 (Unrated)
Average of Three, Chef and Profits, Subarray Mex, Maximise the Minimum, Maximising Vacations, Non Zero Subarray Xor
January Lunchtime 2022 Division 1
Permutation XOR Sum
CodeChef Starters 24 Division 1 (Unrated)
Anti Palindrome, Palindrome Love, Special String, Divisors and Reciprocals
February Long 2022 - I, Division 1 (Unrated)
Digit Multiplication By K, Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon
CodeChef Starters 25 Division 1 (Unrated)
Building Towers, Equal MEX, K Distinct Array
February Cook-Off 2022 Division 1
Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market
CodeChef Starters 26 Division 1 (Unrated)
Stone Game, Array Division, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution
CodeChef Starters 31 Division 1 (Unrated)
Pile Partition, XOR and AND, Mexy Array, The Unchanging OR
CodeChef Starters 32 Division 1 (Unrated)
Maximize the Minimum, LR Shirts, Finding Shoes, Training Plans, Two Merchants, Flip Sorting
May Long Two 2022 Division 1 (Unrated)
Subarray Weight, Practice makes us perfect, Subsequence-Numbers Divisible by 7, Not Tree Again!, Xor Palindrome, Subarrays with length, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
June Cook-Off 2022 Division 1 (Rated)
Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum
Starters 49 Division 1 (Unrated)
Students-Far From Hostel, Split The String, High Frequency, Monks
Starters 51 Division 1 (Unrated)
Chef & Cook Game, Differentiation, Prefix Suffix And Or, Adjacent Xors, Split N, Copy and Paste, Different Medians
August Long 2022 Division 1 (Unrated)
Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation
August Lunchtime 2022 Division 1 (Rated)
Sort the Array, Tree Coloring, Subtract 12 Operation
Starters 53 Division 1 (Unrated)
Black&White Ring Game, Make A and B equal, Queen Blocks
Starters 55 Division 1 (Unrated)
Disgust Minimization, Non Zero Xor, Ball Sequence, Balls and Boxes, OR Tuples
Starters 58 Division 1 (Unrated)
Equivalent Numbers, Good Arrays, Add to Subsequence
Starters 60 Division 1 (Unrated)
Distinct Numbers, Expert Setter, Maximum Sum, Red Green Grids, Yet Another Palindrome Problem, Tax in Chefland, Tri XOR, Paper Cutting, Palindrome Flipping, Card Removal
Starters 62 Division 1 (Rated for 5 & 6 stars)
Get the Segment, Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair
Starters 63 Division 1 (Rated for 5 & 6 stars)
Distinct Neighbours , Maximize 1s, Count Partitions , GCD Sort, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 65 Division 1 (Rated for 5 & 6 stars)
Nahaane Jaa, Paisa Double, Binod, Gormint Aunty, Potato to Gold
Starters 66 Division 1 (Rated till 5-stars)
Sorting the Binary String, Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Chef and Spice Grid, Minimum value of special tables
Starters 68 Division 1 (Rated till 5-stars)
Guess All, Boring String, Restore the Permutation, XOR Product, Interesting Array, Make Money
Starters 69 Division 1 (Rated till 6-stars)
Distinct Sequence, Longest Subarray
Starters 70 Division 1 (Rated till 6-stars)
X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 1 (Unrated)
Pet Store, Flip the Prefix, Unique Mode, Instagram, Snapchat, Expected Sum, Perfect Trio, Maximizing LCS, Smallest Difference
Starters 72 Division 1 (Rated till 5-Stars)
N Triplets, Good Sequence, No sequence, Base or Bias, XOR Tree
Starters 73 Division 1 (Rated till 6-Stars)
Minimum OR Path, Find an integer, Consecutive Xor, First To Last, Hamiltonian Tree, Elevators
Starters 74 Division 1 (Rated till 6-Stars)
Candies, Maximum Xor Sum, Distinct Values, Power Tree, Lcm hates Gcd, Medicine Strength, Minimal Inversions
Starters 75 Division 1 (Rated till 6-Stars)
Sum of range distinct queries, Chefs Favourite Function, Minimum Replacement, Equal Hamming Distance, Prefix Ones
Starters 78 Division 1 (Rated till 6 stars)
MinAdd, Bitwise Equation, Balanced Suffix, Solve More Problems!, Divisible Subarray Counting
Starters 84 Division 1 (Rated till 6 Stars)
SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums
Starters 86 Division 1 (Rated for All)
Least Size, Minimum Operation, String Game , Largest Y
Starters 88 Division 1 (Rated till 6 Stars)
Maximum And Or, Chef and Asteroids, Minimize the Bits, Chef and Good Array
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Minimum Ugliness, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Chef and Polygons, Beautification of array, Distance Coloring
Starters 93 Division 1 (Rated for All)
Thank U, Next, Why Try, NASA, Greedy, Bloodline, Motive
Starters 94 Division 1 (Rated till 5 Stars)
Strange Sort, Place The Number, Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 95 Division 1 (Rated till 6 Stars)
Guess Game, Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Remove Stones, Zero Array, Mex Array, Absolute Differences
Starters 101 Division 1 (Unrated)
Minimize Xor Difference, Split and ADD, Snakes on a Grid, Partially Increasing Array Queries, Warrior Chef
Starters 103 Division 1 (Rated till 6 Stars)
Cost Distribution, Squarified, X-Ray Grid, Chandelier, Unique xor, Divisible By 8
Starters 105 Division 1 (Rated till 6 Stars)
Spooky Sequences, Dull Operation
Starters 108 Division 1 (Rated till 6 Stars)
Palindromic Prime Numbers, Fair Distribution, Continuous Subarrays, Multiple of 9, Move Negative Stones
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Chef Lost an Array, Alter Ego, Chroma Swap, Rigged Game
Starters 112 Divison 1 (Rated till 6 Stars)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Subtree Coloring, Permutation Construction
Starters 115 Division 1 (Rated)
Delete The Array, Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 116 Divison 1 (Rated till 6-Stars)
Chile, Expected Diameter, Chef Product, ORST , Permutation Sort, Exact Savings
Starters 118 Division 1 (Rated till 5-Stars)
Count Substrings, Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II
Starters 125 Division 1 (Rated till 6-Stars)
Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings, ConstructXor, Cake Cutting
Starters 134 Division 1 (Rated till 6-Stars)
Count Good RBS, Origin, Prison Escape, 3out1in
Starters 135 Division 1 (Rated till 5-Stars)
Milky-Dark Chocolates, Envious Pile, Graph Cost, Limit of MEX, Change A to B
Starters 136 Division 1 ( Rated till 6-Stars )
Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Max K Subarray, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Coprime Subarrays, Speedrun, Double Trouble, Unusual Queries
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring
Starters 139 Division 1 (Rated till 5-Stars)
Sort Perm, Sum of N, Counting in Base B, Skill Game, Destroying Bridges Part 2
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Pairs Sum with Length x, The Cards Machine, Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length, Spread of Ratism
Starters 144 Division 1 (Rated)
Counting Is Fun, Sort Lexicographically , Find P, Minimise Inversions, Largest K
Starters 145 Division 1 (Rated till 6-Stars)
Beautiful Array, Make Bob Win , Querified, Token Passing on Tree, Square String
Starters 146 Division 1 (Rated till 5 stars)
Bouncing Ball, Permutation Construction
Starters 147 Division 1 (Rated till 5 stars)
Counting Triangles 101, K Subsequence 101, Counting is Fun 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 1 (Rated till 6 stars)
Double Trouble, The Undisappearance
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard), Min Ops (Easy), Min Ops (Hard), Replacing Game
Starters 151 (rated till 5 stars)
Ball Game, Sequence Search
Starters 152 (Rated till 6 stars)
Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version), Xometry (Easy Version), Xometry (Hard Version)
Starters 154 (Rated till 6 stars)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)
Starters 155 (Rated till 5 stars)
GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 156 (Rated till 6 stars)
Keep Magnets Separated, Balance Difficulties, Interval Cliques, Partition Score
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, MEXtreme Divisibility, Normal is Good, Unmedian
Starters 158 (Rated till 6 stars)
Make a Tree, Global Warming, Buying Game, Multiply 2 to Minimize
Starters 159 (Rated till 5 stars)
Crafty Coloring (Hard), Crafty Coloring (Easy), Glass Bridge (Hard), Super Hero, Random Nim, Glass Bridge (Easy), Chess Colouring, Elections
Starters 160 (Rated till 5 stars)
Palindrome Love, Modindrome, Buying Order (Easy), Buying Order (Hard)
Starters 161 (Rated)
Red-Blue Sort, One To Three, Quick Exit
Starters 162 (Rated till 5 stars)
Empty the String, MEX of XOR, Sum of Empty the String, Permutation Mod K
Starters 163 (Rated till 5 stars)
Tree Sum is Fun !, Nice Array, Permutation Pair, Sort Them, Lexio Swap
Starters 165 (Rated till 6 stars)
A to B, Stable Array
Starters 166 (Rated till 6 stars)
All Equal, Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated till 5 stars)
Alternate Universe, Temperature Balance, Lottery Tickets, Sum Over Subarrays, Grid Construction (Even), Grid Construction (Odd)
Starters 168 (Rated till 6 stars)
No Two Alike, Binary Removals, Xoperations, Equate XOR
Starters 169 (Rated till 5 stars)
Hamming equivalent
Starters 170 (Rated till 6 star)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy)
Starters 171 (Rated till 5 star)
Advitiya Security Vault, Strange Nim Game, White Wall, Volcanic Eruption
Starters 172 (Rated till 5 stars)
Transform String, AndOr, Tactical Removal
Starters 173 (Rated upto < 2700)
Cool Subsequences, Postman and LLM, Introverts, Cool Checker, Time Penalty, Overwrite
Starters 175 (Rated till 5 stars)
Alternate It!, Multiplexer
Starters 176 (Rated till 4 star)
Same And, Friendly Binary Strings, Mex-P Tree (Hard), Costly Summit, Mex-P Tree (Easy)
Starters 178 (Rated till 6 star)
Smoothly Increasing , Big Difference, Minimum Colours (Easy), Minimum Colours (Hard)
Starters 179 (Rated till 5 star)
Station Allocation, Can you reach
Starters 181 (Rated for all)
Costly Swapping, The Best Matrix, Tree Colouring (Hard), Flip Prefix
Starters 182 (Rated till 5 star)
MasterChef, Minimize the Sum, Palindromic Score
Starters 183 (Rated till 6 star)
Complete MST, S to T
Starters 185 (Rated till 5 star)
GCD Summation, Asymmetric Cookies, Array Deletion Game, Range Maximum Deconstruction (Easy)
Starters 186 (Rated till 6 star)
Distinct Arrays , Mod and Make Y
Starters 187 (Rated till 6 star)
Anti-Subarray Sum, Major Infection, OR What, Distinct Representations
Starters 188 (Rated till 6 star)
K Boxes, Yet Another Monsters Problem
Starters 190 (Rated till 5 star)
Parry It! (Hard), Subsequence Sort, Min-Max Deletion, Parry It! (Easy)