FirstException
Rookie League
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Learning Paths (7)
Learn SQL
Learn Advanced SQL
Learn React JS for Front-end development
Learn Procedural SQL
Advanced Python
Learn Python Programming
Time complexity
Practice Paths (5)
SQL case studies
SQL Practice Queries
Python Projects for Beginners
TCS Codevita Problems
Medium C++ puzzles
Contests (54)
Starters 127 Division 4
The Ides of March, Superincreasing, Extreme Basketball
Starters 129 Division 4 (Rated)
Football Training, Pep Bidding, Ballon d Or
Starters 130 Division 4 (Rated)
Make Equal, Alternating Binary String, Giant Wheel, Swapping Marks Digits
Starters 131 Division 3 (Rated)
K-Closeness, Gotta Catch Em All, Dice Deception
Starters 133 Division 3 (Rated)
Legs on a Farm, Maximum Alternating Sum
Starters 134 Division 3 (Rated)
Origin, Money Double, Rock Paper Scissors
Starters 135 Division 3 (Rated)
Invert And Equalize, Change A to B, Football Ties
Starters 136 Division 3 ( Rated )
Sum of Modes, Even Sum Subarray, My First Geometry Problem
Starters 137 Division 2 (Rated)
Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 141 Division 2 (Rated)
Redundant Array
Starters 142 Division 2 (Rated)
Array Removal
Starters 143 Division 3 (Rated)
Non-Divisor Array, Maximum Coins
Starters 144 Division 3 (Rated)
Budget Allotment, Largest K, Savings Account
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 146 Division 2 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament
Starters 147 Division 2 (Rated till 5 stars)
Non-Primes 101, Gold Coins 101
Starters 148 Division 3 (Rated)
Let Me Eat Cake!, FightBots
Starters 149 (Rated)
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 151 (rated)
Convert string
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Starters 154 (Rated)
Add 1 or 2 Game
Starters 159 (Rated)
Elections
Starters 161 (Rated)
Red-Blue Sort, Two Cards
Starters 162 (Rated)
Adjacent Sum Array
Starters 163 (Rated)
Nice Array, Binary Sum, Minimum Types, Lexio Swap
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip
Starters 165 (Rated)
Reverse and Alternate, Stable Array, Bulk Discount
Starters 166 (Rated)
Chefland Library
Starters 167 (Rated)
Delete Not Equal, Grid Construction (Even)
Starters 168 (Rated)
Binary Removals, Make Odd
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent, Opposite Attract
Starters 170 (Rated)
qUiRkY qUesTs (Easy), Monster Monster
Starters 172 (Rated)
Transform String, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Introverts, Time Penalty
Starters 174 (Rated)
Deletion and Difference
Starters 175 (Rated)
Alternate It!, Make same
Starters 176 (Rated)
Same And, Friendly Binary Strings, Clothing Store, Costly Summit
Starters 178 (Rated)
Placing 01 And 10
Starters 179 (Rated)
Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach
Starters 183 (Rated)
Complete MST, S to T, Larger Smaller, Max Triangle
Starters 184 (Rated)
One Down, Front or Back
Starters 185 (Rated)
GCD Summation, Creature Hunter
Starters 186 (Rated)
Distinct Arrays , Jump A or B, Approval Ratings, Mod and Make Y
Starters 187 (Rated)
OR What, Incremental Game, Distinct Representations
Starters 188 (Rated)
Swaps in a String, K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 190 (Rated)
Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)
Starters 191 (Rated)
Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2
Weekend Dev Challenge 06: JavaScript Projects
Weather App - 1
Starters 199 (Rated)
Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide
Weekend Dev Challenge 12: ML Projects
Movie Review Sentiment Analyzer, Clean IMDB Movie Review Dataset
Starters 207 (Rated)
Adjacent Sums, Make Subarray, Maximum Smaller
Monday Munch - DSA Challenge 04
Apples and oranges, Galactic Network, Check if the array is sorted, Find Remainder
Starters 211 (Rated)
Subarray Maximums
Monday Munch - DSA Challenge 09
AND Plus OR, Print Pattern, Largest Subarray with Sum 0, Is the number divisible by 5
Weekend Dev Challenge 22: Frontend Essentials - HTML,CSS,JS
Hamburger Menu Challenge, Scroll Progress Tracker Challenge
Monday Munch - DSA Challenge 10
Odd Sum Pair, Divide Pages, Good subarrays, How much you lack
Monday Munch - DSA Challenge 12
Intersecting arrays, Color Sorting Challenge, Make 2 digits, Chef and String
Weekend Dev Challenge 29: SQL Projects
Challenge 1 - Daily Order Count