Rohit Sharma
Rookie League
- tihorsharma123
India- Student
- National Institute of Technology Karnataka
- View Details
Submissions Heat Map
Learning Paths (3)
Practice Paths (5)
Prefix Sum Problems
Practice Arrays
1400 to 1600 difficulty problems
500 to 1000 difficulty problems
Practice for ZCO and INOI
Contests (182)
August Challenge 2015
Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Count Steps in Matrix
October Challenge 2015
Count Subarrays, Who dares to be a millionaire
November Challenge 2015
Eugene and function, Chef and cakes
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence
August Cook-Off 2015
Chef and the Wildcard Matching
November Cook-Off 2015
Sereja and Array and Subtracting
December Cook-Off 2015
Chef and Subarrays
July Lunchtime 2015
Greedy puppy, Puppy and game
August Lunchtime 2015
Minimum Maximum
September Lunchtime 2015
Sum of palindromic numbers
October Lunchtime 2015
emitL
November Lunchtime 2015
Black And White Cells
December Lunchtime 2015
Distinct Codes
January Long Challenge 2016
Rupsa and the Game
February Challenge 2016
Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Robots Competition, Chefland and Electricity
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
November Challenge 2016
Count Permutations, Task for Alexey
December Challenge 2016
Train Partner, Kirito in labyrinth
January Cook-Off 2016
Chef and Fruits
February Cook-Off 2016
Puppy and Sum
March Cook-Off 2016
Digital clock, Alternating subarray prefix
April Cook-Off 2016
Movie Weekend, Odd Divisors
May Cook-Off 2016
Phantasialand
June Cook-Off 2016
Sticks, Right Triangle
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences
October Cook-Off 2016
Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network
December Cook-Off 2016
Chef and Subset
February Lunchtime 2016
Chef and Socks
March Lunchtime 2016
Simple Statistics
April Lunchtime 2016
Coins And Triangle
May Lunchtime 2016
Akhil And Colored Balls
June Lunchtime 2016
Collisions, One more weird game
September Lunchtime 2016
Chef and Inequality
October Lunchtime 2016
The Largest Bouquet
December Lunchtime 2016
Superheroes and villains, Fly height mode
January Challenge 2017
Capital Movement, Cats and Dogs, Reservior
February Challenge 2017
Eugene and big number, Chef and Triangles, Chef and His Apartment Dues
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
January Lunchtime 2017
Nothing in Common
February Lunchtime 2017
Bear and House Queries, Bear and Milky Cookies
April Challenge 2017
Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
May Challenge 2017
Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets
July Challenge 2017
Chef and Sign Sequences, Whats in the Name, Calculator
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
Max Mex, A Balanced Contest
November Challenge 2017
Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef and Universe, Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays
March Cook-Off 2017
Safe Robot
April Cook-Off 2017
Bear and Candies 123, Bear and AB
May Cook-Off 2017
La Liga, Balanced Array
June Cook-Off 2017
Ada and crayons, SnackUp
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
August Cook-Off 2017
From heaven to earth
September Cook-Off 2017
Infinite OR Game, Statistics Construction, Subsequence Equality
October Cook-Off 2017
Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries
November Cook-Off 2017
Random Pair
December Cook-Off 2017
Beautiful Array, Football Match
March Lunchtime 2017
Bear and Ladder, Bear and Species
April Lunchtime 2017
Bear and Segment 01
May Lunchtime 2017
Prefix Inversions
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
July Lunchtime 2017
Find the Maximum Value
August Lunchtime 2017
Mathison and pangrams
September Lunchtime 2017
Chef and Dice, Chef and Cook-Off Contests
October Lunchtime 2017
Buggy Calculator
December Lunchtime 2017
Days in Month, Strange Function
Alkhwarizm 2017 (Rated)
Logan and his XOR debacle, Professor X and Grouping of Numbers
IOPC 2017 (Rated)
Max Out
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
January Lunchtime 2018
Chef and Game with Sequence, Chef and Escaping from the Labyrinth
February Challenge 2018
Chef And His Characters, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
February Lunchtime 2018
Jumping in the hills
March Challenge 2018 DIV 2
Chef and Glove
March Cook-off 2018 Division 2
Chef Judges a Competition
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
June Cook-Off 2018 Division 1
Good Permutations
July Cook-Off 2018 Division 1
OR Matrix
September Mega Cook-Off 2018 Division 1
Make a Permutation
May Lunchtime 2018 Division 2
Trace of Matrix, Count Substrings
April Challenge 2018 Division 2
Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Vision, Sheokand and String, Binary Shuffle, Naive Chef
July Challenge 2018 Division 1
No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached
August Challenge 2018 Division 1
Modular GCD
September Challenge 2018 Division 1
Magician versus Chef, War of XORs, Chef and Adventures
December Challenge 2018 Division 1
Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 1
Chef and Ridges, Chef and Difficult Contests, Chef and Happiness
October Challenge 2018 Division 1
Chef and Serves, Byte to Bit
June Lunchtime 2018 Division 1
Sort the Leaves, Summary Power, Counting Pretty Numbers
January Challenge 2019 Division 1
Different Neighbours, Lucky Number Game, Distinct Pairs, Fancy Quotes
February Challenge 2019 Division 2
Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef
March Challenge 2019 Division 2
Chef and Number Game
March Lunchtime 2019 Division 2
Testing Robot, Pogo Stick Competition
April Challenge 2019 Division 2
Friend or Girlfriend, Maximum Remaining
April Cook-Off 2019 Division 2
Pied Piper vs Hooli, Making a Meal, Chef Learning Hungarian Algorithm
May Challenge 2019 Division 2
Reduce to One
May Cook-Off 2019 Division 2
Chain Reaction, Misha and Nice Sets, Recover the Sequence
May Lunchtime 2019 Division 2 (Unrated)
Dummy Palindromic Strings, CV
June Challenge 2019 Division 2
Road Signs, Chef and Proxy, Guddu on a Date, Sum and GCD
June Cook-Off 2019 Division 2
Multiple Choice Exam, Ants and Anteaters, Eat Twice, Drink Slush
June Lunchtime 2019 Division 1
Ping Paja Pong, Magda and Silly Pairs
July Challenge 2019 Division 1
Parity Again, Chef and Mean
July Cook-Off 2019 Division 1
Playing with Strings
August Challenge 2019 Division 2
Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves
August Cook-Off 2019 Division 2
Rich Substrings, Chef and Pepperoni Pizza, Chef Drinks Coke
September Challenge 2019 Division 2
Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences
September Mega Cook-Off 2019 Division 2
Playing with Matches
September Lunchtime 2019 Division 2
Chef Feeds Cats, Chef and Football Match, All Substrings, Find the Sum
October Challenge 2019 Division 1
Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices
December Challenge 2019 Division 1
Plus Multiply, Easy Subsequence Selection, That Is My Score!
February Challenge 2020 Division 1
No Change Required, The Theatre Problem, School of Geometry, Hard Cash
March Challenge 2020 Division 2
XOR Engine, Pintu and Fruits
April Challenge 2020 Division 2
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue
September Challenge 2020 Division 2
A Problem on Sticks
October Challenge 2020 Division 2
Positive AND, Covid Run
November Challenge 2020 Division 1
Restore Sequence
January Challenge 2021 Division 2
Fair Elections, Chef and Division 3, Encoded String
December Challenge 2020 Division 2
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
December Lunchtime 2020 Division 2 (Unrated)
Three Letters, Sed Sequences
October Cook-Off 2020 Division 2
Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
October Lunchtime 2020 Division 2
AND Plus OR, Chef and Subtree MEXs, Chef Likes Good Sequences
November Lunchtime 2020 Division 2
Gasoline Introduction, Xor Compare
September Lunchtime 2020 Division 2
GCD operations, Watermelon
February Challenge 2021 Division 3
Maximise Function, Highest Divisor
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, No Time to Wait
July Challenge 2021 Division 3 (Rated)
XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity
July Cook-Off 2021 Division 2
XOR-ORED
August Challenge 2021 Division 2 (Unrated)
Special Triplets, Problem Difficulties, Olympics Ranking
August Lunchtime 2021 Division 2
K-th Maximum, Maximum Length Even Subarray, Programming Languages, Just a Graph
CodeChef Starters 10 Division 2 (Rated)
Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 2
Zebra Crossing, Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number
CodeChef Starters 13 Division 3 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR, Three Boxes, Which Mixture
September Lunchtime 2021 Division 2
Two Dishes, Balanced and Unique Arrays, Vaccine Dates , Yet another SOD problem
October Cook-Off 2021 Division 2
Odd Sum, 01 Subsequence
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
November Challenge 2021 Division 3 (Rated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper
November Cook-Off 2021 Division 3
Disabled King, Odds and Evens, Missing Sums, Make it Divisible
CodeChef Starters 18 Division 2 (Unrated)
Palindromic Binary Numbers, Compare those strings, Back to Campus, Make them equal
CodeChef Starters 19 Division 2 (Rated)
Chef and Contest, Sleepy Chef, Indivisible Permutation, The Alternating Sum, Distinct Elements
November Lunchtime 2021 Division 2
Expected Weight, Rapid Re-Orderings
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists, Utkarsh and Placement tests
December Cook-Off 2021 Division 2
Median Minimization, Two Rooks, Friends Meetup, Musical Chairs
December Lunchtime 2021 Division 2
Chef and Vacation Transportation , Maximum Trio, Romantic Reversals
January Long 2022 - I, Division 2 (Unrated)
Keplers Law, Prime in a binary string, Covid Spread
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
March Long One 2022, Division 2 (Unrated)
Akash and Function, Exact Marks
March Cook-Off 2022 Division 2
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
March Lunchtime 2022 Division 2
Sad Splits, Adjacency Love
CodeChef Starters 33 Division 2 (Rated)
Non Adjacent Flips
April Long One 2022, Division 3 (Rated)
Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , The Cooler Dilemma 2
CodeChef Starters 34 Division 3 (Rated)
Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products
April Lunchtime 2022 Division 3(Rated)
Buckets Full of Candies, Mario and Bullet, Pair Pain, Palindrome Pain
April Long Two 2022 Division 2 (Unrated)
Akash and Equal Mean, Pseudo Sorted Array
September Long 2022 Division 2 (Unrated)
Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
Starters 61 Division 2 (Rated)
Minimise LCS, Subarray Removal
Starters 62 Division 2 (Rated)
Make Multiple, Final Sum
Starters 64 Division 2 (Rated)
Luigi and Uniformity
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement, Glass Prices, Non-matching Name, Normal is Good (Easy)
Starters 166 (Rated)
Chefland Library, Christmas Gifts, Merry Christmas!
Starters 170 (Rated)
Monster Monster, Minimum Bottles
Starters 176 (Rated)
Run for Fun
Starters 184 (Rated)
One Down, Sum to 0
Starters 185 (Rated)
Balanced Lighting, GCD Summation
Starters 189 (Rated)
Nutrition Cost, Distinct 2 Subarray
Starters 190 (Rated)
Number Reduction, Light All
Starters 191 (Rated)
Add to get GCD, Permuted Greater than 2, Divide into 3, Nearest Square
Starters 192 (Rated)
Security Lines, No Odd Sum
Starters 193 (Rated)
Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors, Rectangle and Square
Starters 194 (Rated)
Chef Bakes Cake 2
Starters 195 (Rated)
Selling Sandwiches, Failing Grades, Marble Collector
Starters 196 (Rated)
More Cookies, Cloud Watching, Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), All Odd Prefix Sums, Bowling Balls
Starters 198 (Rated)
Currency Exchange, Decoration Discount
Starters 199 (Rated)
Fence Colouring, Subtract or Divide, Brick Comparisions, Cake Making
Starters 200 (Rated)
Restrict Palindromes, Chef Bakes Cake, Good Subsequence
Starters 202 (Rated)
Endless Play, Buying Flowers, If Only I Could Read, Two Rolls, Min-Max Deque (Easy)
Starters 203 (Rated)
Maximum MST, Cab Rides, Passing Grade
Starters 206 (Rated)
Cyclic Shift Minimization, Remaining Money, Prime Sum, Expensive Buying
Starters 207 (Rated)
Make Subarray, Tourist
Starters 208 (Rated)
GCND, Sabotage, Alternate Jumps
Starters 209 (Rated)
Binary Love, Tactical Conversion, Small GCD Sort, Divisible Duel
Starters 211 (Rated)
Subarray Maximums, Fuel Check, Buying Chairs, No Doubling, Wolf Down
Starters 212 (Rated)
Exit Door, Binary Flip
Starters 214 (Unrated)
Zero Permutation Score