Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Rookie League
United StatesRatings System Update
(2025-10-15 22:00:04)Ratings System Update
(2022-12-20 00:00:00)None
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Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
Tweedle-Dee and Tweedle-Dum
Capital Movement, Cats and Dogs, Reservior
Chef and Yoda, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
Matrix Game, Stingy Strings
Judging Delay, Chef Restaurant
Print Pattern, Choosing from Buckets
Eidi Gift
Playing with Matches
Cakewalk, Medel
Planting Trees, Compress the List
Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements
Even-tual Reduction
Chef and Steps, Maximum Candies
Game on a Strip
Fair Elections
Prime Tuples, Maximise Islands
Frog Sort, Team Name, Prime Game, Maximise Function
Interesting XOR!, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays
XxOoRr, Chef vs Bharat, Optimal Denomination
Lucky Number, Maximum Number Of Distinct Elements
Round Robin Ranks , Dance Moves, Min Max LCM
Queens Placement , Largest Laddu, Help Nishant
Product Pain
Yet another subarray problem, Remove Element
Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks, Wordle
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
Sad Splits
Mystical Numbers, Pushpa , The Attack of Queen
Good Pairs, Circular Track
Permutation And Median, Xor Permutation
Simple XOR, Break the Stick
Permutation Disturbance
Moody Chef, MEXimize the Array, Disjoint Non-Decreasing Array
Ballon d Or
Origin, Money Double, Rock Paper Scissors
Even Sum Subarray, My First Geometry Problem
Maximum Distance Permutations, Distribute Cookies
Chef loves Pizza Chef loves halfs, Penalty Shoot-out, Array Removal
Binary Conversion, Maximum Coins
Truth Teller And Liars 101, Independence Day 101, Gold Coins 101
Find Multiset State, Ratio By 2, Equal Pairs (Easy)
Maximize Hamming Distance, Winning World Finals, Range Minimize
Add 1 or 2 Game, Calorie Limit
Partition Score, Long Queue, Even Numbers Hate
Too Many Oranges, Equate S and T
Selling Donuts, Two Cards
Itz Simple, Swap and Flip
Hamming equivalent, Opposite Attract
Swish Game, White Wall, Advitiya
Transform String, Small Palindrome, Streak Star
Too Much Homework!, Bigger is Better
Ordered Distances, Triangle Checking, 2 Boxes
Lost in the Fest!!, Unlock The Safe
Flip Prefix, Find Outside Array, Breaking Sticks
Bar Queue, Beautiful Garden, Palindromic Score
Balanced Lighting, GCD Summation, Creature Hunter
Distinct Arrays , Jump A or B, Approval Ratings, Best Movie
Train Even or Odd
Nutrition Cost, Distinct 2 Subarray
Maximum Slams, Number Reduction
Add to get GCD, Permuted Greater than 2, Divide into 3, Nearest Square
Selling Sandwiches, Failing Grades, Marble Collector
Good Ranking (Pair), Independence Day, All Odd Prefix Sums, Bowling Balls
Random NIM, Restrict Palindromes, Chef Bakes Cake, Good Subsequence
GCND, Sabotage, Alternate Jumps
Crazy Permutations, Chef and Close Friends, Zero Permutation Score
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