Dashboard Questions Topics Companies Sheets

Matrix

Topic

239 coding problems covering Matrix concepts. Master this topic and improve your problem-solving skills.

239

Problems

Easy

138

Medium

Hard

Difficulty

All239 Easy36 Medium138 Hard65

Title	Solve	Difficulty	Companies	Topics
695. Max Area of Island	Solve	Medium	Amazon+8	Array Breadth-First Search+3
723. Candy Crush	Solve	Medium	Bloomberg+3	Array Matrix+2
733. Flood Fill	Solve	Easy	Adobe+8	Array Breadth-First Search+2
741. Cherry Pickup	Solve	Hard	Akuna Capital+7	Array Dynamic Programming+1
749. Contain Virus	Solve	Hard	Accolite+2	Array Breadth-First Search+3
750. Number Of Corner Rectangles	Solve	Medium	Facebook	Array Dynamic Programming+2
766. Toeplitz Matrix	Solve	Easy	Bloomberg+1	Array Matrix
773. Sliding Puzzle	Solve	Hard	Airbnb+3	Array Backtracking+4
778. Swim in Rising Water	Solve	Hard	Amazon+6	Array Binary Search+5
782. Transform to Chessboard	Solve	Hard	Citadel+1	Array Bit Manipulation+2
794. Valid Tic-Tac-Toe State	Solve	Medium	Google+1	Array Matrix
803. Bricks Falling When Hit	Solve	Hard	Google+1	Array Matrix+1
807. Max Increase to Keep City Skyline	Solve	Medium	Amazon+1	Array Greedy+1
827. Making A Large Island	Solve	Hard	Adobe+10	Array Breadth-First Search+3
832. Flipping an Image	Solve	Easy	Google	Array Bit Manipulation+3
835. Image Overlap	Solve	Medium	Bloomberg+3	Array Matrix
840. Magic Squares In Grid	Solve	Medium	Google	Array Hash Table+2
861. Score After Flipping Matrix	Solve	Medium	Amazon+1	Array Bit Manipulation+2
864. Shortest Path to Get All Keys	Solve	Hard	Airbnb+5	Array Bit Manipulation+2
867. Transpose Matrix	Solve	Easy	Amazon+3	Array Matrix+1
883. Projection Area of 3D Shapes	Solve	Easy	-	Array Geometry+2
885. Spiral Matrix III	Solve	Medium	Tesla	Array Matrix+1
892. Surface Area of 3D Shapes	Solve	Easy	Amazon	Array Geometry+2
909. Snakes and Ladders	Solve	Medium	Adobe+6	Array Breadth-First Search+1
931. Minimum Falling Path Sum	Solve	Medium	Google	Array Dynamic Programming+1
934. Shortest Bridge	Solve	Medium	Dell+5	Array Breadth-First Search+2
959. Regions Cut By Slashes	Solve	Medium	Amazon+1	Array Breadth-First Search+4
980. Unique Paths III	Solve	Hard	Amazon+1	Array Backtracking+2
994. Rotting Oranges	Solve	Medium	Amazon+3	Array Breadth-First Search+1
999. Available Captures for Rook	Solve	Easy	Square	Array Matrix+1
1020. Number of Enclaves	Solve	Medium	Google	Array Breadth-First Search+3
1030. Matrix Cells in Distance Order	Solve	Easy	Yahoo	Array Geometry+3
1034. Coloring A Border	Solve	Medium	Amazon+1	Array Breadth-First Search+2
1072. Flip Columns For Maximum Number of Equal Rows	Solve	Medium	-	Array Hash Table+1
1074. Number of Submatrices That Sum to Target	Solve	Hard	Amazon+2	Array Hash Table+2
1091. Shortest Path in Binary Matrix	Solve	Medium	Adobe+20	Array Breadth-First Search+1
1102. Path With Maximum Minimum Value	Solve	Medium	Amazon+3	Array Binary Search+5
1139. Largest 1-Bordered Square	Solve	Medium	Samsung	Array Dynamic Programming+1
1162. As Far from Land as Possible	Solve	Medium	Amazon+4	Array Breadth-First Search+2
1198. Find Smallest Common Element in All Rows	Solve	Medium	Walmart Global Tech	Array Binary Search+3
1210. Minimum Moves to Reach Target with Rotations	Solve	Hard	Kakao	Array Breadth-First Search+1
1219. Path with Maximum Gold	Solve	Medium	TikTok	Array Backtracking+1
1222. Queens That Can Attack the King	Solve	Medium	Media.Net	Array Matrix+1
1253. Reconstruct a 2-Row Binary Matrix	Solve	Medium	American Express+1	Array Greedy+1
1254. Number of Closed Islands	Solve	Medium	Google+1	Array Breadth-First Search+3
1260. Shift 2D Grid	Solve	Easy	Bloomberg	Array Matrix+1
1263. Minimum Moves to Move a Box to Their Target Location	Solve	Hard	Google	Array Breadth-First Search+2
1267. Count Servers that Communicate	Solve	Medium	Microsoft	Array Breadth-First Search+4
1275. Find Winner on a Tic Tac Toe Game	Solve	Easy	Amazon+4	Array Hash Table+2
1277. Count Square Submatrices with All Ones	Solve	Medium	Bloomberg+1	Array Dynamic Programming+1