Ashish Trehan
- 4★ashish_2409
- India
- Student
- Punjab Engineering College, Chandigarh
- No Active Plan. View Details
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Ratings System Update
(2023-04-05 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0):
None
Practice Paths (0):
None
Contests (42):
August Challenge 2020 Division 2:
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
December Challenge 2020 Division 2:
Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
August Challenge 2021 Division 2 (Unrated):
Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
September Challenge 2021 Division 2 (Unrated):
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
SnackDown 2021 - Online Round 1A:
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
November Challenge 2021 Division 2 (Unrated):
Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges
April Long Two 2022 Division 2 (Unrated):
Geometric Mean Inequality, Sasta Shark Tank, Akash and Equal Mean, Six Friends, Best Coupon, Pseudo Sorted Array
May Long One 2022 Division 2 (Unrated):
Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
May Long Two 2022 Division 2 (Unrated):
Practice makes us perfect, Xor Palindrome, Subarrays with length, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
June Long One 2022 Division 2 (Unrated):
Chairs Requirement, Subscriptions, Divisible by i , Alternate Additions, Equal Strings
June Long Two 2022 Division 2 (Unrated):
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness, Strong Elements
August Long 2022 Division 2 (Unrated):
Sale Season, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal
Starters 53 Division 2 (Rated):
Black&White Ring Game, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights
September Long 2022 Division 2 (Unrated):
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated):
K-Subarrays, Nearest Exit, Chefland Games, Maximize Colours, Far Away
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI):
Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 2 (Unrated):
Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 2 (Unrated):
Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements
Starters 59 Division 2 (Rated):
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Speciality
October Long 2022 Division 2 (Unrated):
Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 62 Division 2 (Rated):
Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair, X Jumps, Max minus Min, Test Score
Starters 63 Division 2 (Rated):
One-XOR Deletions, Packing Books, Make Length 1, Minimum Absolute Score, Tasty Decisions, Avoid Squares Please
Starters 64 Division 2 (Rated):
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours , Distinct Colors, Water Consumption
Starters 66 Division 2 (Rated):
Good Binary Strings, Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland
Starters 71 Division 2 (Rated):
Pet Store, Flip the Prefix, Instagram, Snapchat, Perfect Trio, Maximizing LCS
Starters 74 Division 2 (Rated):
Facebook, Mana Points, Chef And Babla, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Starters 75 Division 2 (Rated):
Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment
January Long 2023 Division 2 (Unrated):
Asymmetric Swaps, Array Halves, Far from origin, Overspeeding Fine, Negative Product
February Cook-Off 2023 Division 2 (Rated):
Battery Health, Take Not Less, Bi_lindrome!, Permutation and Modulus, Minimum Beauty , Netflix
Starters 78 Division 2 (Rated):
Bitwise Equation, Valid Expression, Passing Marks, Candy Store, Good Turn
Starters 80 Division 2 (Rated):
Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 2 (Rated):
Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division
Starters 84 Division 2 (Rated):
SUM OR, Max count of 1, Digit Operation, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 83 Division 2 (Rated):
Chef Eren, Construct String, Budget of Technex, Order by XOR, Couple Game
Practice Problems (635):
Practice:
Transform the Expression, Marbles, Bytelandian gold coins, Enormous Input Test, Sums in a Triangle, ATM, Life, the Universe, and Everything, A Very Easy Problem!, Johnny and the Beanstalk, The Best Box, Cleaning Up, Number Game Revisited, Three Way Communications, Internet Media Types, Misinterpretation, Garden Squares, Ciel and A-B Problem, Word Couting, Spoon in Matrix, Jewels and Stones, Little Elephant and Strings, Remember the recipe, Little Elephant and Bombs, Gift Rift, Arranging Cup-cakes, Closing the Tweets, Racing Horses, Code Crazy Minions, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Tourist Translations, Little Elephant and Permutations, Buying Sweets, The Minimum Number Of Moves, Packaging Cupcakes, Reversing directions, Chef of the Year, Approximately, Minimum Distance, The Ball And Cups, Hello Hello, Maximum Weight Difference, Helping Lira, Name Reduction, Your Name is Mine, Andrew and the Meatballs, Andrew and the Meatballs again, Lapindromes, Subtraction Game 1, Chef and Walking on the rectangle , Chopsticks, A Plus B Again!, Maxim and Dividers, Attic Crossing, Splitting Candies, Chef and The Right Triangles, Uncle Johny, Square Digit Squares, ATM, Number Mirror, Mike and Matrices , Please like me, Chef and Girlfriend, Chef and Feedback, Longest Common Pattern, Little Elephant and Subarrays, Walk, Chef and Remissness, Chef-jumping, Dividing Stamps, Chef and Ground, Chef and Chain, Chef and Rainbow Array, Divide the Cake, Stone, Count Substrings, Reach The Point, Approximately II, Subarray GCD, Copy-Paste, Sum Queries, Chef and Gift, Tanu and Head-bob, Magical Girl and Colored Liquid Potions, Chef and easy problem, Distinct Characters Subsequence, Chef and Notebooks, Walk on the Axis, Chef and Stones, Fit Squares in Triangle, Piece of cake, Suraj goes shopping, Tojo hates probabilities, Chef and Equality, Lucky Four, Broken Telephone, Chef and Memory Limit, Chef and new recipe, Equality, Tickets, Na2a and lucky stone, Chef and Cube, Add Two Numbers, Find Remainder, Sum of Digits, Helping Chef, Total Expenses, Id and Ship, Valid Triangles, Second Largest, Primality Test, Finding Square Roots, The Block Game, Farmer And His Plot, Chain of Doughnuts, Chef and his Sequence, Entrance Exam, Strange operations, Chef and Two Strings, Greedy puppy, Puppy and game, Who dares to be a millionaire, Forgotten Language, Chef and the Wildcard Matching, Minimum Maximum, Chef And Operators, Stacks, emitL, Mahasena, Processing a string, Black And White Cells, Sereja and Array and Subtracting, Chef and Time Machine, Chef and Subarrays, Chef and Fruits, Malvika is peculiar about color of balloons, Chef and digits of a number, Digital clock, Alternating subarray prefix, Faded Palindromes, Chef and Socks, Chef and Coins Game, Chef and Three Dogs, Puppy and Sum, Chef and Ballons, Chef And Coloring, Movie Weekend, Odd Divisors, Cats and Dogs, Coins And Triangle, Akhil And Colored Balls, Kitchen Timetable, Right Triangle, Art, Collisions, One more weird game, Skyscraper Equilibrium, Chef and Proportion, Chef and Numbers, Tweedle-Dee and Tweedle-Dum , Lumpy - The Bus Driver, Watson asks Does Permutation Exist, Task for Alexey, Download file, Sebi and the highway, Chef and his Students, Chef and Subset, Chef and His Apartment Dues, Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix, Safe Robot, Bear and Candies 123, Bear and AB, Bear and Segment 01, Courses in an university, Xenny and Coin Rankings, Prefix Inversions, Snakes, Mongooses and the Ultimate Election, Chang and the Perfect Function, Whats in the Name, Minimum Good Permutation, Find the Maximum Value, Little Chef and Sums, A Balanced Contest, Chef and Counting Test, Chef and Weird Queries, Chef goes Left Right Left, Compression Algorithm, J - Reached Safely Or Not, Chef And his Cake, Rectangle, Chef and Game with Sequence, Chef And His Characters, Survive in ChocoLand, Mix the Colors, Chef Goes to the Cinema, Magic Elements, Fibonacci String, Workers, Candy Love, Two vs Ten, Dibs on Fibs, Trace of Matrix, Sum OR Difference, Decrement OR Increment, Area OR Perimeter, HOW MANY DIGITS DO I HAVE, Is it a VOWEL or CONSONANT, Counting Pretty Numbers, Magic Set, Strike or Spare, Chef and Secret Ingredient, Chef and Bored Games, Kill them with your success, Mixi Game, Magician versus Chef, Balsa For The Three, Chef and Eid, Byte to Bit, ATM Machine, Chef Restaurant , Qualifying to Pre-Elimination, Chef and SnackDown, Chef and Semi-Primes, Chef and Typing, Three Friends, Chef and Difficult Contests, Truth and Dare, Event, Lucky Number Game, Play Piano, Camp Or Not, Is it a Cakewalk Problem, Ada King, Rooks, Chef and Secret Ingredients, Man with No Name, Deputy Chef, IPL and RCB, Buying New Tablet, Chef and Party, Average Number, Testing Robot, Pogo Stick Competition, Chef Learning Hungarian Algorithm, Reduce to One, Chef and Proxy, Attendance, Chain Reaction, Misha and Nice Sets, Recover the Sequence, Dummy Palindromic Strings, Dilemma, Multiple Choice Exam, Eat Twice, Chef and Mean , Hard Sequence, Football, Swapping, A - Books, Chef and Pepperoni Pizza, Chef Drinks Coke, Playing with Matches, Weird Modulo Problem , Discount in a Shop, Cakewalk, Full Barrier Alchemist, The Promised Land, Khaled in HIT, Chef Diet, Planting Trees, That Is My Score!, Compress the List, Is This a Give Away, Safe Robots, Usain Bolt vs Tiger, Check Algorithm, Exam Cheating, Recruit Villagers, Chef and Street Food, Pintu and Fruits, Hard Cash, Mr Pr in a Dilemma , Tax Slabs, Button Pairs, Find maximum in an Array, Box of Chocolates, Good Prefix, Sell All the Cars, COVID Pandemic and Long Queue, Another Birthday Present!, Chef and Numbers, Chef and Recipe, The Tom and Jerry Game!, Chef and Icecream, Weird Walk, Cache Hits, Chef vs Doof, Doof on Cartesian, OR-thodox Distinction, Winning Strategy, Bowling Strategy, Robot Detector, The One Who Knocks!, Easy Series, Flip the String, Chef and IPC Certificates, Gasoline Introduction, Gasoline, Chef and Groups, No Time to Wait, Make Palindrome, Nobel Prize, Jashan and his dog, Tinder Dating, Fresher Party, Happy Birthday, Ceiling Sum, Chef and Magical Steps, Median Rearrangement, Can You Reach The End, Odd Sum, 01 Subsequence, Binary Inversion, GCD of Prefixes, New Piece, String protocol, Plusle and Minun on Array, Equal Integers, Subarray permutations, Devendra and Water Sports, Covid and Theatre Tickets, Sarthak and his Magic Grid, Vedant and his Hidden Array, Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , An Interesting Sequence, Merged LIS, Even Subset Xor, Equal LIS, Average of Three, Subarray Mex, Maximising Vacations, Fixed Weight, Akash and Function, String Reverse, Careless Chef, Control the Pollution, Distinct Binary Strings, The product mystery, Four Equidistant Points on a Grid, Parallel Processing, Decomposition Reaction, Janmansh at Fruit Market, Equal Mex Splitting, Subarray XOR, Alternating Divisibility, Substring of a Substring, Exact Marks, Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Chef and Chocolates, Chef and Races, Balanced Reversals, Increase IQ, Chef and Brain Speed, Chef and Gym, Chef and Masks, The Three Topics, XOR and AND, Alternating String, Sign Moves, The Unchanging OR, The Rating Dilemma, Maximize the Minimum, Binary String Cost, Volume Control, Finding Shoes, Flip Sorting, Test Averages, Bucket and Water Flow , Apples and Oranges, Chef and Chocolates, Course Registration, Sticks and Rectangles, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Dark Light, Make Them Equal, Binary Mismatch, Pairwise Xors, Average Array, Buckets Full of Candies, Pair Pain, Admins and Shopping, Dazzling Even-Odd Challenge, Candy Distribution, Equalizing Numbers, Compress the Video, Buying Sweets, Reduce to 1, Who is taller!, Presents for Cheffina, Easy Permutation, Array Equality, Chef and Chapters, Chef and Bird farm, Farmers League, Game of Pooks, Doubled Distances, The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum, Closest Vowels, Chef gives Party, Get Subscription, Good Pairs, Average Gift, Dominant Army, Circular Track, Difficulty Rating Order, Maximum Pairwise Modular Sum, Equal After And, How many unattempted problems, Recent contest problems, Problems in your to-do list, My very 1st contest!, Even Subarray XOR, A or B, Even Equal Odd, Chess Ratings, Infinity Staircase, Doubt Support Availability, Good Pairs, Whatsapp Messages, Take discount or Not, Is this priority or parity!, Path Parity, Determine the Winner, Simple XOR, Break the Stick, Minimum or Maximum, Divisible by 3, Age Limit, Equal Distribution, Minimum number of Flips, Zero Ones Equal One Zeros, The Optimal Pairs, Burgers, DNA Storage, Distinct Palindrome, Joining Date, The Lost Array, Waiting Time, It is My Serve, Too many Floors, Determine the Score, Equal by XORing, Triple Xor, Dense Bracket Sequence, Reversal Sorting, Prime Xor, Vowel Anxiety, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both, Enough Space, Permutation And Median, K-MEX, Xor Permutation, Chef Drinks Tea, High Accuracy, Array sorting, Sort the String, Counting Words, MATH1 Enrolment, Group Assignment, Army Training, Chef On Date, Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies, Make Palindrome 2, Interior Design, The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, True and False Paper, Positive array, N Buttons 1 Bulb, Split The String, High Frequency, Is it hot or cold, Maximise the Tastiness, Monks, Valid Minimum, Permutation GCD, Discount, Mileage matters, Average Permutation, Adjacent Xors, Split N, Copy and Paste, Final Population, Different Medians, TV Discount, Dominant Element, Angled Flip, XOR with smallest element, Two Trains, Tree Coloring, AI Analysing Code, Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Height of Rationals, K Flip, Balls and Boxes, Permutation Clear, Distinct Numbers, Fever, Mean and Median, Broken Phone, Pokemon Battles, Binary Substitution, Increasing Addition, Add to Subsequence, Expert Setter, Alternative Sufferings, Yet Another Palindrome Problem, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal, Minimise LCS, Different Consecutive Characters , Weird Subarrays, Subarray Removal, Reach on Time, Odd Sum Pair, Maximize 1s, The Quiz Finale, Study or Friends, Battle of Coins, Stamp Trade, The Oil Estimation, Knockouts, Decode the Palindrome, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Potato to Gold, Good Binary Strings, Palindrome In Making, Expensive Steps , Counting Problem, Boring String, XOR Product, Expense List, Rain in Chefland, Bull or Bear, Make AP, Make Money, Scalene Triangle, Convert to permutation, Distinct Sequence, Kitchen Timings, Spice Level, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval, Maximizing LCS, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR, Candies, Distinct Values, Minimize the Maximum, Read Pages, Make Array Odd, Zero String, Contruct Array, 400M Race, Not Divisible, Alice Potter And Dumbledore Army, Tekken, Tom and Jerry Chase, Codechef Airlines, Concat Palindrome, Three Numbers, Solve More Problems!, Welcome to Quark 23, Math Festival , One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing, Make Them Alike, Good XOR, Distinct Matrix, Divide Pages, Maximum Capacity, Sunny Day, Restoration, Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, TripTastic, Bheem and Kichak , Fastest Way To Murph, Maximise Score, Existence