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- patangbaaj20
India- Other
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Activity Heat Map
Learning Paths (0)
Practice Paths (6)
2000 to 2500 difficulty problems
1400 to 1600 difficulty problems
500 difficulty rating
Binary Search
Rise from 3* to 4*
Prepare for ICPC - Past Year Problems
Contests (127)
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess
December Challenge 2020 Division 2
Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution
November Cook-Off 2020 Division 2
Chef and IPC Certificates
October Lunchtime 2020 Division 2
AND Plus OR
Code Ensemble (Rated for Division 2)
Priya and AND
UWCOI 2021 (Rated for all)
Hidden Numbers
January Cook-Off 2021 Division 3
Password
January Lunchtime 2021 Division 3 (Unrated)
Pair Me, Even Sum
February Challenge 2021 Division 3
Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor
CodeChef Div 3 Rated Contest 2021 Division 3
Body Mass Index, Total Score
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, College Life 4, Paparazzi Gennady, Space Arrays, No Time to Wait
CodeChef Starters 6 Division 2 (Unrated)
Joker and Batman, Even tuples, Three Dices, Cricket Ranking
CodeChef Starters 7 Division 2 (Unrated)
Chess Format, Food Chain
CodeChef Starters 11 Division 2 (Rated)
Find the Direction, The Two Dishes
CodeChef Starters 12 Division 2 (Unrated)
Good Weather, Make it Divisible, Another Shortest Paths Problem
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX, RCB and Playoffs
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions, Chef And Salary Pay, Pass or Fail
October Cook-Off 2021 Division 2
Chef and Pairing Slippers, Average Flex
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper
November Cook-Off 2021 Division 2
Disabled King, Odds and Evens
CodeChef Starters 20 Division 2 (Unrated)
Genes
C.O.D.E.R.S Division 2 (Rated)
The One with Russ, The One Where It All Began
November Lunchtime 2021 Division 2
Chef and Stock Prices
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists, Utkarsh and Placement tests
Code Drive Division 2 (Rated)
Game between friends
January Long 2022 - I, Division 2 (Unrated)
Keplers Law, Prime in a binary string
January Cook-Off 2022 Division 2
Mask Policy, Hungry Ashish
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Chef and Profits
CodeChef Starters 24 Division 2 (Rated)
Badminton Serves
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !
CodeChef Starters 25 Division 2 (Rated)
Chef and His Fruit Stand
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Chef and NextGen, Xor Palindrome
April Cook-Off 2022 Division 2
Email Reminders
CodeChef Starters 33 Division 2 (Rated)
The Cheaper Cab, Monthly Budget, Minimum Cars required
Starters 37 Division 2 (Rated)
Infernos, Maximum OR Minimum
May Long One 2022 Division 3 (Rated)
Sugarcane Juice Business, The Attack of Queen
Starters 39 Division 3 (Rated)
Compress the Video, Closest Vowels, Recent contest problems, A or B
May Long Two 2022 Division 3 (Rated)
Score High, Degree of Polynomial
Starters 40 Division 3 (Unrated)
Difficulty Rating Order, Take discount or Not
Starters 41 Division 3 (Rated)
Equal Integers, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 3 (Rated)
Break the Stick, First and Last
Starters 42 Division 3 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips
Starters 44 Division 3 (Rated)
Triple Xor, The Attack of Knight, Jogging
Starters 43 Division 3 (Rated)
DNA Storage, Distinct Palindrome, Joining Date
June Lunchtime 2022 Division 3 (Rated)
Zero Ones Equal One Zeros, Too many Floors
June Long Two 2022 Division 3 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA
Starters 45 Division 3 (Rated)
Chef and his Apps, Retrieve the Array, Change Row and Column Both
July Long One 2022 Division 3 (Rated)
Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
Starters 46 Division 4 (Rated)
Prime Xor, Array sorting, Sort the String, Counting Words, MATH1 Enrolment, Group Assignment
Starters 47 Division 3 (Rated)
Construct N, Minimum Coins
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Make Palindrome 2
July Long Two 2022 Division 3 (Rated)
Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Hungry Chef
Starters 49 Division 3 (Rated)
N Buttons 1 Bulb, Valid Minimum
Starters 50 Division 3 (Rated)
Permutation GCD, Nearest Court, Average Permutation
Starters 51 Division 3 (Rated)
Adjacent Xors, Different Medians, TV Discount, Dominant Element
August Long 2022 Division 3 (Rated)
Sale Season, Make A and B equal
Starters 52 Division 3 (Rated)
WA Test Cases, Air Conditioner Temperature
August Lunchtime 2022 Division 3 (Rated)
Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality
Starters 53 Division 3 (Rated)
Black&White Ring Game, Odd Pairs, Make A and B equal, Weights
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine, Team of Two
Starters 55 Division 3 (Rated)
Balls and Boxes, Permutation Clear, Mean and Median, Broken Phone
September Long 2022 Division 3 (Rated)
Speed Limit Test, Bob at the Bank, Pokemon Battles, Interesting Subarray, Good Pairs
Starters 56 Division 3 (Rated)
K-Subarrays, Nearest Exit, Maximize Colours, Far Away
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 3 (Rated)
Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 3 (Rated)
Break the elements, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , Suspense String, Confusing Concatenations
October Long 2022 Division 3 (Rated)
Chef And Array Construction, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 2 (Rated)
Palindrome Flipping
Starters 61 Division 3 (Rated)
Different Consecutive Characters , Odd Sum Pair
Starters 62 Division 3 (Rated)
Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score
Starters 63 Division 3 (Rated)
One-XOR Deletions, Make Length 1, Avoid Squares Please
Starters 64 Division 3 (Rated)
Mario and the Broken String, Luigi and Uniformity, Distinct Colors
November Long 2022 Division 3 (Rated)
MaxEdges, Split and Maximize, Spliting Balls, Time Complexity, String Game
Starters 66 Division 3 (Rated)
Just Like Mob!, Binary Battles, Monopoly in Chefland
Starters 67 Division 3 (Rated)
Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem
Starters 68 Division 3 (Rated)
Boring String, Expense List, Make AP, Make Money
Starters 69 Division 3 (Rated)
Akash and Dinner, Convert to permutation, Distinct Sequence
Starters 70 Division 3 (Rated)
Cost of Groceries, Minimum distance between 1s, Prime Reversal
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio, Maximizing LCS
December Long 2022 Division 3 (Rated)
Reach fast, Maximise XOR
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges
Starters 73 Division 3 (Rated)
Consecutive Xor, Lucky Numbers, Append for OR
Starters 74 Division 3 (Rated)
Chef And Babla, Lcm hates Gcd, Odd Even Binary String
January Long 2023 Division 3 (Rated)
Asymmetric Swaps, Minimize the Maximum, Array Halves, Far from origin
Starters 78 Division 3 (Rated)
Valid Expression, Passing Marks
Starters 79 Division 3 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 3 (Rated)
Make A-B Same, Reach Home, Difference Matrix, MIN To MAX
Starters 84 Division 3 (Rated)
Max count of 1, Digit Operation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 83 Division 3 (Rated)
Chef Eren, Construct String
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Blobby Volley Scores
Starters 93 Division 3 (Rated)
7 Rings, Problem
Starters 95 Division 3 (Rated)
Transfusion Chain
Starters 97 Division 3 (Rated)
Best of Two
Starters 100 Division 3 (Rated)
Trade Surplus, Chocolate Distribution
Starters 101 Division 3 (Rated)
Work Smarter, Not Harder
Starters 102 Division 3 (Rated)
Selling Insurance, Chef and Stocks
Starters 103 Division 4 (Rated)
Sunday Brunch, October Marathon, Dice Number
Starters 104 Division 4 (Rated)
Double Rent
Starters 105 Division 4 (Rated)
Bone Appetit, Dracula Eats
August Long 2023 Division 3 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
September Short 2023 Division 3 (Unrated)
GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 112 Division 4 (Rated)
Food Costs, Fair Share Settlement, Max Nutrition
Starters 114 Division 4 (Rated)
Rock-Paper-Scissors, Painting Walls, Christmas Candy, Christmas Greetings
Starters 115 Division 4 (Rated)
Decorating Christmas Tree, Chocolate Distribution, Codechef Round
Starters 116 Division 4 (Rated)
Hattrick, ORST , Minimum Wage, Access Control
Starters 117 Division 4 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening, Yearly Phone
Starters 118 Division 3 (Rated)
Literacy Rate
Starters 119 Division 4 (Rated)
Advitiya, Judged, Cookie Day, Another Good String
Starters 120 Division 3 (Rated)
Count Subarrays, Largest K, Sub or Swp, Valentine Gifts
Starters 122 Division 3 (Rated)
Problem Reviews, Man of the Match
Starters 123 Division 3 (Rated)
Room Allocation, Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II
Starters 125 Division 3 (Rated)
50-50 Rule
Starters 126 Division 3 (Rated)
Dice Game 3, Sale, Permutation Disturbance
Starters 127 Division 3
Extreme Basketball
Starters 128 Division 3 (Rated)
Moody Chef, MEXimize the Array
Starters 129 Division 3 (Rated)
Pep Bidding, Ballon d Or
Starters 130 Division 3 (Rated)
Alternating Binary String, Swapping Marks Digits
Starters 131 Division 3 (Rated)
Gotta Catch Em All, Dice Deception
Starters 132 Division 3 (Rated)
ALIEN-OR, Change Please, GAME 11
Starters 133 Division 3 (Rated)
Legs on a Farm, Maximum Alternating Sum
Starters 135 Division 3 (Rated)
Invert And Equalize, Change A to B, Football Ties
Starters 136 Division 3 ( Rated )
Even Sum Subarray, My First Geometry Problem
Starters 137 Division 3 (Rated)
Spell Splice, Large Differences
Starters 138 Division 3 (Rated)
Heat Wave
Starters 139 Division 3 (Rated)
Maximum Distance Permutations, Distribute Cookies
Starters 140 Division 3 (Rated)
Yoga Class
Starters 141 Division 3 (Rated)
Nearly Equal
Starters 143 Division 3 (Rated)
Maximum Coins
Starters 144 Division 4 (Rated)
Capital Gain Tax, Budget Allotment, Largest K, Savings Account
Starters 146 Division 3 (Rated till 5 stars)
No Winner
Starters 151 (rated)
Weightlifting
Starters 152 (Rated)
Chess Olympiad
Starters 154 (Rated)
Calorie Limit, Coldplay Tickets
Starters 155 (Rated)
Chef and Parole
Starters 156 (Rated)
Sweets Shop, Long Queue
Starters 157 (Rated)
Glass Prices, Non-matching Name
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Diwali Discount, Even vs Odd Divisors
Starters 159 (Rated)
Icecream and Cone, Elections, Card Game
Starters 160 (Rated)
Movie Snacks
Starters 166 (Rated)
Chefland Library, Christmas Gifts, Merry Christmas!
Starters 167 (Rated)
Happy New Year!, Delete Not Equal
Starters 168 (Rated)
Can You Bench, Make Odd, Big Achiever
Starters 169 (Rated)
Hamming equivalent, Opposite Attract, Entry Check
Starters 170 (Rated)
Access Code Equality
Starters 171 (Rated)
Squid Game - Piggy Bank, Swish Game, Advitiya