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India
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Ratings System Update
(2025-04-02 22:00:00)Learning Paths (5)
Stacks and Queues
Time complexity
Learn Java
Beginner DSA in C++
C++ Problem Solving
Practice Paths (13)
500 to 1000 difficulty problems
Stacks and Queues
Linked Lists
Data Structures Interview Questions
1400 to 1600 difficulty problems
Jump from 2* to 3*
500 difficulty rating
Completed
Projects using HTML / CSS
Practice Strings
Practice Java
Arrays, Strings & Sorting
Practice Arrays
Level up from 1* to 2*
Contests (63)
Starters 71 Division 4 (Rated)
Instagram, Perfect Trio
Starters 75 Division 4 (Rated)
Saving Taxes, Profit Increment
January Long 2023 Division 4 (Rated)
Far from origin, Overspeeding Fine, Negative Product
Starters 82 Division 4 (Rated)
Reach Home, MIN To MAX, Candy Division
Starters 84 Division 4 (Rated)
Chef and Donation, Elections in Chefland, Melt Gold
Starters 86 Division 4 (Rated)
Cricket Match, Chef and Battery , CodeChef Learn Problem Solving
Starters 87 Division 4 (Rated)
Four Tickets, Buy Ten Packets, Return the Change, Existence
Starters 83 Division 4 (Rated)
Chef Eren, Budget of Technex, Couple Game
Starters 88 Division 4 (Rated)
Masterchef finals, Online or Offline
Starters 89 Division 4 (Rated)
Monopoly, Parliament
Starters 90 Division 4 (Rated)
Learning SQL, Printing Binary Array, Favourite Numbers
Starters 91 Division 4 (Rated)
Bus Seat Numbering, Parking Charges
Starters 93 Division 4 (Rated)
Right There, 7 Rings, Problem
Starters 95 Division 4 (Rated)
Donation Drive, Donation Rewards
Starters 100 Division 4 (Rated)
Air Quality Index, Trade Surplus, Chocolate Distribution
Starters 101 Division 4 (Rated)
Work Smarter, Not Harder, Off By One
Starters 103 Division 4 (Rated)
Sunday Brunch, October Marathon, Dice Number
Starters 104 Division 4 (Rated)
Santa and Chocolates, Pizza Cutting, Double Rent
Starters 105 Division 4 (Rated)
Bone Appetit, Dracula Eats
Starters 106 Division 4 (Rated)
Fan Poll, Chef Fantasy 11, Survival Time
Starters 107 Division 4 (Rated)
Pending Assignments, Clear Day, OR Permutation
Starters 109 Division 4 (Rated)
Cricket World Cup Qualifier, Best of N Sets, Worth of a Video
Starters 111 Division 4 (Rated)
Beautiful Strings, Reach Codetown, Exams, 404 Not Found
Starters 112 Division 4 (Rated)
Food Costs, Fair Share Settlement, Max Nutrition
Starters 113 Division 4 (Rated)
Maximum Score , Make N Zero, Thala For A Reason
Starters 114 Division 4 (Rated)
Rock-Paper-Scissors, Painting Walls, Christmas Candy, Christmas Greetings
Starters 115 Division 4 (Rated)
A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution, Codechef Round
Starters 116 Division 4 (Rated)
Chef Product, Hattrick, ORST , Minimum Wage, Access Control
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 1
Starters 119 Division 3 (Rated)
Judged, Cookie Day, Another Good String , K Odd Sum
Starters 121 Division 3 (Rated)
Frequal, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps, The Man Code
Starters 122 Division 3 (Rated)
Healthy Sleep, Problem Reviews, Man of the Match
Starters 123 Division 3 (Rated)
Room Allocation, Algomaniac Finals, Maximise Adjacent Sum
Starters 124 Division 3 (Rated)
Binary Parity, Table Strength, Summer Time, Cricket Tournament
Starters 125 Division 3 (Rated)
50-50 Rule, Fake Certificate
Starters 126 Division 3 (Rated)
Dice Game 3, Sale, Permutation Disturbance
Starters 127 Division 3
Extreme Basketball
Starters 128 Division 3 (Rated)
Moody Chef
Starters 129 Division 3 (Rated)
Pep Bidding, Ballon d Or
Starters 132 Division 3 (Rated)
Change Please
Starters 133 Division 3 (Rated)
Legs on a Farm, Maximum Alternating Sum
Starters 134 Division 4 (Rated)
Origin, Morning Run, Money Double, Rock Paper Scissors
Starters 135 Division 3 (Rated)
Invert And Equalize, Football Ties
Starters 136 Division 3 ( Rated )
Even Sum Subarray, My First Geometry Problem
Starters 137 Division 4 (Rated)
Election Hopes, Spell Splice
Starters 138 Division 4 (Rated)
Prefix Suffix Inequality, Heat Wave, Long Drive, Distinct Substring
Starters 141 Division 3 (Rated)
Nearly Equal
Starters 151 (rated)
Convert string, International Gym Day
Starters 152 (Rated)
Maximize Hamming Distance, Winning World Finals, Range Minimize
Starters 153 (Rated)
Make Arithmetic Progression, Butterfly, Another Game
Starters 154 (Rated)
GCD and XOR, Add 1 or 2 Game, Calorie Limit
Starters 156 (Rated)
Count Triplets, Partition Score, Long Queue, Even Numbers Hate
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize, Even vs Odd Divisors
Starters 165 (Rated)
Reverse and Alternate, A to B, Stable Array, Bulk Discount
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty
Starters 174 (Rated)
Mystic Slimes, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Assignment Due, Make same
Starters 176 (Rated)
Clothing Store, Costly Summit
Starters 178 (Rated)
Smoothly Increasing , Food Balance, Big Difference, Minimum Colours (Easy), Placing 01 And 10
Starters 180 (Rated)
Shall we play a game, Array Operations, Huh, Easy