Learning Paths (0)
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Practice Paths (0)
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Contests (50)
January Challenge 2020 Division 2
Chef and Dynamo, Breaking Bricks
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
March Cook-Off 2020 Division 2
Find Your Gift
June Challenge 2020 Division 2
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
July Challenge 2020 Division 2
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
November Challenge 2020 Division 2
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
January Challenge 2021 Division 2
Fair Elections
February Challenge 2021 Division 2
Maximise Function
June Lunchtime 2022 Division 4 (Rated)
Zero Ones Equal One Zeros, The Lost Array, It is My Serve, Too many Floors, Determine the Score, Max Shift After XOR, Equal by XORing
Starters 46 Division 3 (Rated)
Array sorting, Sort the String, MATH1 Enrolment, Group Assignment
Starters 47 Division 4 (Rated)
Chef On Date, Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time
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, Hungry Chef
Starters 50 Division 3 (Rated)
Air Blimp, Permutation GCD, Sum Product Segments, Nearest Court, Average Permutation
Starters 53 Division 4 (Rated)
Black&White Ring Game, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Queen Blocks, Weights
Starters 87 Division 3 (Rated)
Return the Change, Inversions of subsequences, Existence, AB plus C
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray, Minimize the Bits
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages
Starters 115 Division 2 (Rated)
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree
Starters 117 Division 2 (Rated)
Equality Etiquette, Spread Spree, Not Prime Permutation, Spell Shortening
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum
Starters 120 Division 2 (Rated)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Split And Maximize, Caesar Cipher Lite
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 128 Division 1 (Rated till 6-Stars)
Binary Substring, XOR And Multiply
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings
Starters 133 Division 1 (Rated till 6-Star)
ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)
Starters 134 Division 1 (Rated till 6-Stars)
Origin, Prison Escape, 3out1in
Starters 135 Division 1 (Rated till 5-Stars)
Graph Cost, Change A to B
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Speedrun, Double Trouble
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Distinct Substring
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Array Removal
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array
Starters 145 Division 1 (Rated till 6-Stars)
Make Bob Win , Querified
Starters 146 Division 1 (Rated till 5 stars)
Back Front, Bouncing Ball, Permutation Construction
Starters 147 Division 1 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 167 (Rated till 5 stars)
Temperature Balance, Lottery Tickets, Sum Over Subarrays, Grid Construction (Even), Grid Construction (Odd)
Starters 169 (Rated till 5 stars)
Substring Strategy, Hamming equivalent
Starters 170 (Rated till 6 star)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Stabilize Warwick
Starters 171 (Rated till 5 star)
Strange Nim Game, White Wall, Volcanic Eruption
Starters 172 (Rated till 5 stars)
Transform String
Starters 189 (Rated till 5 star)
Number Walks, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Total Problems Solved: 172
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