Learning Paths (0)
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Practice Paths (0)
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Contests (71)
Starters 73 Division 4 (Rated)
Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR
Starters 74 Division 4 (Rated)
Facebook, Mana Points, Chef And Babla, Lcm hates Gcd, Odd Even Binary String
January Long 2023 Division 4 (Rated)
Asymmetric Swaps, Array Halves, Far from origin, Overspeeding Fine, Negative Product
Starters 76 Division 3 (Rated)
Redistributing Chocolates, Make Array Odd, Zero String, 400M Race, Not Divisible
Starters 77 Division 3 (Rated)
Spreading Charges, Tekken, Concat Palindrome
Starters 78 Division 3 (Rated)
Bitwise Equation, Valid Expression, Passing Marks
Starters 80 Division 3 (Rated)
Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 2 (Rated)
Difference Matrix, MIN To MAX
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 87 Division 3 (Rated)
Return the Change, Existence, AB plus C
Starters 83 Division 2 (Rated)
Construct String
Starters 88 Division 2 (Rated)
Unstable Subarray
Starters 103 Division 2 (Rated)
Unique xor, Divisible By 8, Dice Number
Starters 120 Division 2 (Rated)
Find Permutation , Count Subarrays, Count Arrays, Sub or Swp
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Ballon d Or
Starters 133 Division 2 (Rated)
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors, 3out1in
Starters 135 Division 2 (Rated)
Graph Cost, Invert And Equalize, Change A to B
Starters 136 Division 2 ( Rated )
Lexicographically Maximal Prefix AND, Sum of Modes, My First Geometry Problem
Starters 137 Division 2 (Rated)
Speedrun, Double Trouble, Large Differences
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 143 Division 2 (Rated)
Non-Divisor Array, Max Min and Length, Binary Conversion
Starters 144 Division 2 (Rated)
Minimise Inversions, Budget Allotment, Largest K
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
Double Trouble, The Undisappearance, FightBots
Starters 149 (Rated till 5 stars)
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Hard Version), Chef Loves Beautiful Strings (Easy Version)
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard), Min Ops (Hard), Replacing Game
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version)
Starters 154 (Rated till 6 stars)
Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)
Starters 156 (Rated till 6 stars)
Partition Score
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Normal is Good, Unmedian
Starters 158 (Rated till 6 stars)
Buying Game, Multiply 2 to Minimize
Starters 160 (Rated till 5 stars)
Palindrome Love, Buying Order (Easy)
Starters 161 (Rated)
Red-Blue Sort, One To Three
Starters 162 (Rated till 5 stars)
Empty the String, Permutation Mod K
Starters 163 (Rated till 5 stars)
Nice Array, Sort Them, Lexio Swap
Starters 164 (Rated till 5 stars)
Halloween Array, Construct Permutation
Starters 165 (Rated till 6 stars)
Stable Array, Reverse and Alternate (Count)
Starters 166 (Rated)
Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 168 (Rated till 6 stars)
No Two Alike, Binary Removals
Starters 169 (Rated till 5 stars)
Constant Subsequence, Hamming equivalent
Starters 170 (Rated)
Monster Monster
Starters 171 (Rated)
Swish Game, Advitiya Security Vault, White Wall, Volcanic Eruption
Starters 172 (Rated)
Transform String, AndOr, Streak Star, Tactical Removal
Starters 173 (Rated upto < 2700)
Cool Subsequences, Introverts, Time Penalty, Overwrite
Starters 174 (Rated upto 2700)
GCD Add Size, Meximal Sum, Mystic Slimes
Starters 175 (Rated till 5 stars)
Alternate It!, Multiplexer
Starters 176 (Rated till 4 star)
Same And, Friendly Binary Strings, Costly Summit, Mex-P Tree (Easy)
Starters 178 (Rated till 6 star)
Smoothly Increasing , Big Difference, Minimum Colours (Hard)
Starters 179 (Rated till 5 star)
Product Path, Station Allocation, Can you reach
Starters 180 (Rated till 6 star)
Shall we play a game, Huh, Easy, Counting Problem
Starters 182 (Rated till 5 star)
Minimize the Sum
Starters 184 (Rated till 5 star)
Second MEX, Adjacent OR, Double or Append
Starters 185 (Rated till 5 star)
Array Deletion Game
Starters 187 (Rated till 6 star)
Anti-Subarray Sum, OR What, Distinct Representations
Starters 188 (Rated till 6 star)
Swaps in a String, K Boxes, Inversion Queries, Yet Another Monsters Problem
Starters 190 (Rated till 5 star)
Subsequence Sort, Min-Max Deletion
Starters 191 (Rated till 6 star)
Add 1 or 2, Coloured Array, Grid Path (Easy), Permuted Greater than 2
Starters 193 (Rated for all)
Mex Tree (Min), Add Permutation
Starters 194 (Rated for all)
Munchys Modulo, Good Arrays (Cyclic), Good Arrays (Not Cyclic)
Starters 195 (Rated till 5 star)
String Deletions, Game (Easy), Game (Hard)
Starters 196 (Rated till 5 star)
GCD Reduction, Beauty in Everything, Append Average
Starters 197 (Rated till 6 star)
Good Ranking (Pair), Split
Starters 198 (Rated till 5 star)
Restricted Removals, Minimize Maximum Mex
Starters 199 (Rated till 5 star)
Perfect Ranges, Fence Colouring, Grid MEX
Total Problems Solved: 271
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