Learning Path
Javascript
Introduction to basic algorithms
Python
Explore all Python concepts and ecosystem
Web Development
Explore HTML, CSS, JS and different frameworks
Practice Coding
Leetcode style questions in JS, Python, Java, PHP, Typescript, Swift, Kotlin, Ruby, Go, Cpp, Rust
Google Interview Prep
Leetcode style questions in JS, Python, Java, PHP, Typescript, Swift, Kotlin, Ruby, Go, Cpp, Rust
Javascript Expert
Data structures and algorithms
iOS Developer
Dive deep into every aspect of modern iOS development
Full Stack JS (MERN)
Covers everything to ace your full stack interview
  • Difficulty
  • EASY
  • MEDIUM
  • HARD
  • Tags
9. Biggest Island
Matrix
25m
42. Count Closed Islands
Matrix
25m
43. Counting Islands
Matrix
25m
46. Count Square Submatrices
Matrix
20m
47. Count Submatrices
Matrix
25m
55. Find Largest Square
Matrix
15m
59. Flip and Invert Image
Matrix
15m
60. Flood Fill
Matrix
15m
62. Grid Unique Paths
Matrix
20m
67. Illuminate Surrounded Regions
Matrix
25m
109. Minimum Path Sum
Matrix
25m
140. Reshape Matrix
Matrix
10m
150. Rotate Matrix
Matrix
25m
164. Toeplitz Matrix
Matrix
15m
172. Validate Sudoku
Matrix
30m
224. Spiral Order Traversal
Matrix
30m
225. Zero Matrix Transformation
Matrix
25m