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(2025-12-03 22:00:02)Learning Paths (4)
Machine Learning
Completed
Java Problem Solving
Learn JavaScript
Learn Java (Older version)
Practice Paths (5)
Contests (38)
Starters 172 (Rated)
Transform String, Time Machine, Small Palindrome, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty
Starters 174 (Rated)
Mystic Slimes, Too Much Homework!, Bigger is Better, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Make same
Starters 176 (Rated)
Same And, Friendly Binary Strings, Clothing Store, Costly Summit
Starters 177 (Rated)
Flip or Reverse, Ordered Distances, Triangle Checking, 2 Boxes
Starters 178 (Rated)
Big Difference, Minimum Colours (Easy), 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
Starters 181 (Rated)
The Best Matrix, Flip Prefix, Find Outside Array
Starters 182 (Rated)
Bar Queue, MasterChef, Beautiful Garden, Palindromic Score
Starters 183 (Rated)
S to T, Larger Smaller, Max Sixers, Max Triangle
Starters 184 (Rated)
One Down
Starters 185 (Rated)
GCD Summation, Creature Hunter
Starters 187 (Rated)
OR What, Exercise and Rest, Chococut, Incremental Game, Distinct Representations
Starters 188 (Rated)
K Boxes, Yet Another Monsters Problem, Red and Blue Gems, Subset Sum 3, Train Even or Odd
Starters 189 (Rated)
Nutrition Cost, Create Binary String
Starters 190 (Rated)
Subsequence Sort, Maximum Slams, Number Reduction, Light All, Parry It! (Easy)
Starters 191 (Rated)
Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2, Divide into 3, Nearest Square
Starters 192 (Rated)
Security Lines, No 3 Please!
Starters 193 (Rated)
Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors
Starters 194 (Rated)
Mark All, Munchys Modulo, Chef Bakes Cake 3
Starters 195 (Rated)
String Deletions, Marble Collector
Weekend Dev Challenge 07: React Projects
Weather App - 1, Weather App - 2, FLAPPY BIRD -1 , FLAPPY BIRD - 2, FLAPPY BIRD - 3
Starters 196 (Rated)
Beauty in Everything, Sugar Limit, Append Average
Weekend Dev Challenge 08: React Projects
Tab Switch, Live crypto update, Improve your aim, Switch the theme, Fix the render
Weekend Dev Challenge 09: ML Projects
Data Exploration and Analysis - Loan Approval, Preprocessing Dataset - Loan Approval, Train Logistic Regression Model - Loan Approval, Bangalore House Price Prediction Project, Clean the Bangalore House Price Dataset, Build the Complete House Price Prediction Web App
Starters 198 (Rated)
Currency Exchange
Starters 199 (Rated)
Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide
Weekend Dev Challenge 10: ML Projects
Calculate F-Score for Evaluating Binary Classifier
Starters 200 (Rated)
Random NIM, Restrict Palindromes, Good Subsequence
Weekend Dev Challenge 12: ML Projects
Clustering & Dimensionality Reduction, K-Means Clustering and Evaluation, PCA for Dimensionality Reduction + Classification, Movie Review Sentiment Analyzer, Clean IMDB Movie Review Dataset, Building and Saving the Sentiment Model
Starters 202 (Rated)
Buying Flowers, If Only I Could Read, Min-Max Deque (Easy)
Weekend Dev Challenge 13: ML Projects
Classification Algorithms on the Iris Dataset, Classification Algorithms on the Iris Dataset, Classification Algorithms on the Iris Dataset
Monday Munch - DSA Challenge
Diameter of the tree, Search an element in an array, ZigZag Traversal, Merge two sorted arrays, Check Palindrome, Maximum Sum of K Elements
Starters 203 (Rated)
MEX on Ranges, Maximum MST, Cab Rides
Starters 206 (Rated)
Cyclic Shift Minimization, Gladiator Fighting, Prime Sum
Starters 207 (Rated)
Make Subarray
Starters 208 (Rated)
GCND, Sabotage, Alternate Jumps, Cycle and Add
Weekend Dev Challenge 15: Classify images using Deep Learning
Handwritten Digit Recognition Project, Data Preprocessing and Feature Scaling, Building and Saving the Neural Network Model
Monday Munch - DSA Challenge 03
Count Subarrays, Rooks, Find maximum in an Array, Segmentation Fault, Insertion and deletion together in a Heap, Find Course Schedule
Monday Munch - DSA Challenge 04
Apples and oranges, Least significant bit, and most significant bit, Mirror Tree, Galactic Network, Check if the array is sorted, Find Remainder
Monday Munch - DSA Challenge 05
Count palindromes, Maximum Score, Largest Common Element in Two Arrays, Count subarrays with given sum, Merge Overlapping intervals, Vowels or Not
Weekend Dev Challenge 17: GenAI Projects using LLM
Resume Reviewer Project
Monday Munch - DSA Challenge 06
Flatten a Linked List, Count loop length in Linked List, Kth Largest Node in BST, Length of Longest Palindrome, Single number in multiple numbers, What is your grade
Weekend Dev Challenge 18: Full Stack Projects using MERN
Typing Speed Test Project, Adding Accuracy Measurement and Enhanced Feedback, Emoji Translator Project, Part 2 - Writing a Backend API for Emoji Mapping
Weekend Dev Challenge 19: Full Stack Projects using MERN
URL Shortener Project, Enhancing the React UI to Use Backend APIs, Social Media Feature Expansion Project
Monday Munch - DSA Challenge 07
Take discount or Not, Binary Substituition, Expensive Steps , Spiral Matrix Traversal, Kth missing positive, Is that a century
Weekend Dev Challenge 20: Full Stack Projects using MERN
Fitness App Project
Monday Munch - DSA Challenge 08
K-Flip, MIN To MAX, Set Matrix Zeroes, Longest Consecutive Numbers in an Array, Odd or even
Starters 209 (Rated)
Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)
Starters 210 (Rated)
Delete Sorted Subsequence, Chocolate Eating, First Element Counting
Starters 211 (Rated)
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down
Weekend Dev Challenge 21: Full Stack Projects using MERN
CodeChef Profile Scraper Project, Part 2 - Connect the React UI with the Backend API, Part 3 - Build the Express Scraping Endpoint, Storing and Retrieving Profiles with MongoDB, Social Media Feature Expansion 2 Project
Monday Munch - DSA Challenge 09
AND Plus OR, Get all ancestors, Print Pattern, Search Word, 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, Triplets Min, Good subarrays, How much you lack
Weekend Dev Challenge 23: Frontend Essentials - HTML,CSS,JS
Sticky Header Challenge, Flip Card Challenge, TypeWriter Effect Challenge
Monday Munch - DSA Challenge 11
Largest and Second Largest, Special Substring, Zero Sum Triplets, Count Inversions, Maximum Unique Segment, What is the square
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
Monday Munch - DSA Challenge 12
Intersecting arrays, Color Sorting Challenge, Covering, Make 2 digits, Chef and String, Hail XOR
Starters 215 (Rated)
Intersecting Intervals (Easy), Product Sum Arrays (Easy), Differing Values, Special Missions
Weekend Dev Challenge 25: Frontend Essentials - HTML,CSS,JS
Light-Dark Theme Toggle Challenge, Character Counter & Text Formatter Project, Part 2 -Character Counter & Text Formatter Project, Multi-Step Form Project, Part 2 - Multi-Step Form Project
Monday Munch - DSA Challenge 13
Count of Maximum, Cost of Groceries, All Possible Subsets, Generate All Possible Pairs of Balanced Parenthese, Less than 10
Monday Munch - DSA Challenge 14
Reverse the Segment, Chef and Nested Parentheses, Delete All Occurrences of a Key in a Doubly Linked, Complete the resolution, DNA Storage, Largest Y
Weekend Dev Challenge 26: Frontend Essentials - HTML,CSS,JS
Memory Match Game Project, Part 2 - Memory Match Game Project, ToastyWeather Project, Part 2 - ToastyWeather Project, Bookmark Organizer Project, Part 2 - Bookmark Organizer Project