Learning Paths (0)
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Practice Paths (0)
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Contests (10)
Starters 150 (Rated)
Equal Pairs (Hard), Min Ops (Easy), Min Ops (Hard), Replacing Game, Find Multiset State, IOI 2024, Ratio By 2, Equal Pairs (Easy)
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max, Array Concatanation
Starters 160 (Rated till 5 stars)
Palindrome Love, Modindrome, Buying Order (Easy), Buying Order (Hard)
Starters 161 (Rated)
Min-Max Game, Red-Blue Sort, One To Three, Quick Exit
Starters 163 (Rated till 5 stars)
Tree Sum is Fun !, Nice Array, Permutation Pair, Sort Them, Lexio Swap
Starters 165 (Rated till 6 stars)
A to B, Stable Array, Sum Operations (Easy), Reverse and Alternate (Count)
Starters 166 (Rated till 6 stars)
Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated till 5 stars)
Alternate Universe, Counting Good Numbers, Temperature Balance, Happy New Year!, Lottery Tickets, Sum Over Subarrays, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)
Starters 168 (Rated till 6 stars)
No Two Alike, Binary Removals, Xoperations, Equate XOR
Starters 169 (Rated till 5 stars)
No Palindromes, Constant Subsequence, Hamming equivalent
Starters 170 (Rated till 6 star)
Array Compression, Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Stabilize Warwick
Starters 172 (Rated till 5 stars)
Transform String, AndOr, Tactical Removal
Starters 173 (Rated upto < 2700)
Cool Subsequences, Postman and LLM, Introverts, Cool Checker, Time Penalty, Overwrite
Starters 174 (Rated upto 2700)
GCD Add Size, Meximal Sum, Mystic Slimes, Graph Monsters
Starters 175 (Rated till 5 stars)
The Skip Game, Alternate It!, Build Sum, Multiplexer
Starters 176 (Rated till 4 star)
Same And, Friendly Binary Strings, Mex-P Tree (Hard), Costly Summit, Mex-P Tree (Easy)
Starters 177 (Rated till 5 star)
Blocks on a Tree, Matching Arrays, Sum By OR, Flip or Reverse, Increasing XOR Queries, Counting 01 and 10
Starters 178 (Rated till 6 star)
Smoothly Increasing , Big Difference, Count Disjoint Arrays, Reduce to Palindrome, Minimum Colours (Hard)
Starters 179 (Rated till 5 star)
Product Path, Station Allocation, Can you reach
Starters 180 (Rated till 6 star)
Balls and Boxes, Shall we play a game, Huh, Easy, Counting Problem
Starters 181 (Rated for all)
Costly Swapping, The Best Matrix, Tree Colouring (Hard), Flip Prefix
Starters 183 (Rated till 6 star)
Swap Permutation 1, Arbitrary Shuffling, Complete MST, S to T
Starters 184 (Rated till 5 star)
Second MEX, Subtree XOR Counting, Adjacent OR, Front or Back, Double or Append
Starters 185 (Rated till 5 star)
Range Maximum Deconstruction (Hard), GCD Summation, Asymmetric Cookies, Array Deletion Game, Range Maximum Deconstruction (Easy)
Starters 186 (Rated till 6 star)
Distinct Arrays , Segment Tree Reconstruction, Mod and Make Y
Starters 188 (Rated till 6 star)
GCD and XOR 2 (Easy), GCD and XOR 2 (Hard), Swaps in a String, K Boxes, Inversion Queries, Yet Another Monsters Problem
Starters 190 (Rated till 5 star)
Parry It! (Hard), 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 192 (Rated till 6 star)
Priority Customers (Easy), MinPath Minimize, Equate XY, No 3 Please!, Priority Customers (Hard)
Starters 194 (Rated for all)
Tournament Construction, Terminal States, Munchys Modulo, Good Arrays (Cyclic), Good Arrays (Not Cyclic)
Starters 195 (Rated till 5 star)
String Deletions, Count the Functions, Bugged Robot, Game (Easy), Game (Hard)
Starters 196 (Rated till 5 star)
GCD Reduction, Beauty in Everything, Append Average, Swap Sum
Starters 198 (Rated till 5 star)
Restricted Removals, Leave no Witnesses, Minimize Maximum Mex, Stable Diffusion (Easy)
Starters 199 (Rated till 5 star)
Perfect Ranges, Replace with Coefficients, Fence Colouring, Grid MEX, XOR Game
Starters 200 (Rated for all)
Permutation Counting (Easy), Lexicographic Matching, Minimum Set, Restrict Palindromes
Starters 201 (Rated till 6 star)
Compare and Connect, Permutation Cost Sum, Huge Grid (Hard Version), Tuple Slimes, Huge Grid (Easy Version), Delete Maximum
Starters 202 (Rated for 5 star)
Equalize Juice, Min-Max Deque, If Only I Could Read, Min-Max Deque (Easy), Counting Graphs
Starters 203 (Rated till 5 star)
Subsequences of Subsequences, MEX on Ranges, Set To Median, Maximum MST
Starters 206 (Rated till 5 star)
Cyclic Shift Minimization, MEX Tree, Product Equal Sum, Min Steps, Gladiator Fighting
Starters 207 (Rated till 5 star)
Balanced Subarrays, Adjacent Sums, Subset MEX Counting, Make Subarray, Maximum Smaller, Subarray ORs
Starters 208 (Rated till 6 star)
XOR Sorting, Positive-Negative, GCND, Cycle and Add
Starters 210 (Rated till 5-star)
Delete Sorted Subsequence, Min Modular Subarray, Median on Tree, Sum of LCA, Make All, First Element Counting
Starters 211 (Rated till 6 - star)
Marching Orders, Subarray Maximums, No Doubling, Tournament Rigging (Minimum)
Starters 212 (Rated till 6 star)
Interesting Binary (Easy Version), Distinct Fun, Counting MEX Is Fun, Binary Flip
Starters 213 (Rated till 5 star)
Chef and String, Separation
Starters 214 (Unrated)
Crazy Permutations, Lexicographically Minimum Tree Traversal, Delete For Fun
Total Problems Solved: 219
