cassowary
- 3★cassowary
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Ratings System Update
(2026-06-03 22:00:02)Ratings System Update
(2022-12-20 00:00:00)DSA Rating Graph
Ratings System Update
(2026-06-08 21:00:00)Learning Paths (1)
Practice Paths (15)
Practice Arrays
Level up from 1* to 2*
1000 to 1400 difficulty problems
1400 to 1600 difficulty problems
Practice Strings
TCS Codevita Problems
Arrays, Strings & Sorting
500 to 1000 difficulty problems
Number theory
Binary Search
1600 to 1800 difficulty problems
Bit manipulation
500 difficulty rating
Practice C
Data Structures Interview Questions
College Paths (2)
Contests (51)
April Lunchtime 2021 Division 3
Chef in Heaven , Bench Press, Equinox Strings, Array Rotation, Coldplay
May Challenge 2021 Division 3 (Rated)
Xor Equality, Golf, Solubility
Starters 138 Division 3 (Rated)
TRIPLE PRIMES, Prefix Suffix Inequality, Heat Wave, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 160 (Rated)
Palindrome Love, Buying Order (Easy), Equate S and T
Starters 163 (Rated)
Tree Sum is Fun !, Nice Array, Minimum Types, Sort Them, Lexio Swap
Starters 164 (Rated)
Swap and Flip
Starters 166 (Rated)
Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library
Starters 167 (Rated)
Delete Not Equal, Grid Construction (Odd)
Starters 168 (Rated)
No Two Alike, Binary Removals, Make Odd
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent
Starters 170 (Rated)
qUiRkY qUesTs (Easy), Monster Monster
Starters 171 (Rated)
Swish Game, White Wall, Volcanic Eruption
Starters 172 (Rated)
Transform String, AndOr, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty, Overwrite
Starters 175 (Rated)
Alternate It!, Make same
Starters 176 (Rated)
Same And, Clothing Store, Costly Summit
Starters 177 (Rated)
Flip or Reverse, Ordered Distances, 2 Boxes
Starters 178 (Rated)
Big Difference, Placing 01 And 10
Starters 179 (Rated)
Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach
Starters 180 (Rated)
Shall we play a game, Array Operations, Huh, Easy
Starters 181 (Rated)
The Best Matrix, Flip Prefix, Find Outside Array
Starters 182 (Rated)
Bar Queue
Starters 187 (Rated)
OR What, Incremental Game
Starters 188 (Rated)
Swaps in a String, K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Avoid Primes
Starters 190 (Rated)
Subsequence Sort, Light All, Parry It! (Easy)
Starters 191 (Rated)
Add 1 or 2, Add to get GCD, Permuted Greater than 2
Starters 192 (Rated)
Security Lines, No 3 Please!
Starters 199 (Rated)
Fence Colouring, Grid MEX, Subtract or Divide
Starters 212 (Rated)
Exit Door, Distinct Fun, Binary Flip
Starters 213 (Rated)
Mean Difference (Easy), Chef and String, Separation, No 4 Please
Starters 214 (Unrated)
Crazy Permutations, Zero Permutation Score
Starters 215 (Rated)
Product Sum Arrays (Easy), Differing Values, Special Missions
Starters 216 (Rated)
LIS and LDS, Minimum Same Difference, XOR Equal Subtract, Best Seats
Starters 217 (Rated)
Make An AP, Max Adds, Add to make Positive, Add 1 or 3
Starters 218 (Rated)
Deleting Array Again, Stop The Count
Starters 219 (Rated)
New Operation, 3 Paths , Ones and Zeroes II, Ones and Zeroes I
Starters 220 (Rated)
Two Pile Game, Upward Path, Movie Hype
Starters 221 (Rated)
Rectangle Coloring, Odd Operations, Three Strings Problem (Easy Version), Odd String
Starters 222 (Rated)
Ascents and Descents, Sell Upto 2, Sorting Prefixes, Layered Cake
Starters 223 (Unrated)
Add to First, Deleting Substrings, School Trip, Less than Max
Starters 224 (Rated)
Advitiya Coin, Accommodation, AabBcCDd, MAX MIN MEX
Starters 225 (Rated)
Plus-Minus Split, Near Yet Far, Maximum Score, All Even
Starters 226 (Rated)
Minimum Distinct , Sub A Add B
Starters 229 (Rated)
Sum Not Equal, Sequential Clamp
Starters 231 (Rated)
Target Temperature, Recurrence Reachability, Double Discount
Starters 235 (Rated)
Balanced Positions in a Permutation, Sorted Groups, MEX Spectrum
Starters 239 (Rated)
Planting Roses, Magic Mirror, Beginnings and Endings
Starters 241 (Rated)
Sum Reduction, Even Sum, No 3 Equal
Monday Munch - DSA Challenge 003 (Rated)
Duplicate Integers, Find Peak Element, Matrix Median, Delete the Middle Node of a Linked List, Add Two Numbers (Linked List), Chef wants to buy a laptop
Monday Munch - DSA Challenge 006 (Rated)
Difference Pairs, Kth ancestor of the node, Distinct colors in subtrees, Minimum Platforms, Subarray with k distinct number, Flight timings