Dashboard Questions Topics Companies Sheets

Array

Topic

1,779 coding problems covering Array concepts. Master this topic and improve your problem-solving skills.

1,779

Problems

370

Easy

963

Medium

446

Hard

Difficulty

All1779 Easy370 Medium963 Hard446

Title	Solve	Difficulty	Companies	Topics
1. Two Sum	Solve	Easy	Accenture+29	Array Hash Table
4. Median of Two Sorted Arrays	Solve	Hard	Accolite+38	Array Binary Search+1
11. Container With Most Water	Solve	Medium	Adobe+8	Array Greedy+1
15. 3Sum	Solve	Medium	Adobe+21	Array Sorting+1
16. 3Sum Closest	Solve	Medium	Adobe+6	Array Sorting+1
18. 4Sum	Solve	Medium	Adobe+8	Array Sorting+1
26. Remove Duplicates from Sorted Array	Solve	Easy	Adobe+8	Array Two Pointers
27. Remove Element	Solve	Easy	Adobe+4	Array Two Pointers
31. Next Permutation	Solve	Medium	Adobe+19	Array Two Pointers
33. Search in Rotated Sorted Array	Solve	Medium	Accenture+91	Array Binary Search
34. Find First and Last Position of Element in Sorted Array	Solve	Medium	Adobe+18	Array Binary Search
35. Search Insert Position	Solve	Easy	Adobe+8	Array Binary Search
36. Valid Sudoku	Solve	Medium	Amazon+9	Array Hash Table+1
37. Sudoku Solver	Solve	Hard	Adobe+11	Array Backtracking+2
39. Combination Sum	Solve	Medium	Adobe+8	Array Backtracking
40. Combination Sum II	Solve	Medium	Amazon+4	Array Backtracking
41. First Missing Positive	Solve	Hard	Adobe+7	Array Hash Table
42. Trapping Rain Water	Solve	Hard	Adobe+21	Array Dynamic Programming+3
45. Jump Game II	Solve	Medium	Adobe+9	Array Dynamic Programming+1
46. Permutations	Solve	Medium	Accenture+39	Array Backtracking
47. Permutations II	Solve	Medium	Amazon+1	Array Backtracking
48. Rotate Image	Solve	Medium	Adobe+9	Array Math+1
49. Group Anagrams	Solve	Medium	Adobe+23	Array Hash Table+2
51. N-Queens	Solve	Hard	Adobe+7	Array Backtracking
53. Maximum Subarray	Solve	Medium	Adobe+22	Array Divide and Conquer+1
54. Spiral Matrix	Solve	Medium	Accenture+21	Array Matrix+1
55. Jump Game	Solve	Medium	Amazon+8	Array Dynamic Programming+1
56. Merge Intervals	Solve	Medium	Adobe+24	Array Sorting
57. Insert Interval	Solve	Medium	Amazon+4	Array
59. Spiral Matrix II	Solve	Medium	Amazon+3	Array Matrix+1
63. Unique Paths II	Solve	Medium	Amazon+19	Array Dynamic Programming+1
64. Minimum Path Sum	Solve	Medium	Amazon+8	Array Dynamic Programming+1
66. Plus One	Solve	Easy	Adobe+5	Array Math
68. Text Justification	Solve	Hard	Adobe+25	Array Simulation+1
73. Set Matrix Zeroes	Solve	Medium	Amazon+4	Array Hash Table+1
74. Search a 2D Matrix	Solve	Medium	Accenture+23	Array Binary Search+1
75. Sort Colors	Solve	Medium	Adobe+9	Array Sorting+1
78. Subsets	Solve	Medium	Adobe+9	Array Backtracking+1
79. Word Search	Solve	Medium	Amazon+8	Array Backtracking+2
80. Remove Duplicates from Sorted Array II	Solve	Medium	Adobe	Array Two Pointers
81. Search in Rotated Sorted Array II	Solve	Medium	Adobe+4	Array Binary Search
84. Largest Rectangle in Histogram	Solve	Hard	Adobe+7	Array Monotonic Stack+1
85. Maximal Rectangle	Solve	Hard	Amazon+2	Array Dynamic Programming+3
88. Merge Sorted Array	Solve	Easy	Amazon+9	Array Sorting+1
90. Subsets II	Solve	Medium	Adobe+3	Array Backtracking+1
105. Construct Binary Tree from Preorder and Inorder Traversal	Solve	Medium	Amazon+5	Array Binary Tree+3
106. Construct Binary Tree from Inorder and Postorder Traversal	Solve	Medium	Shopee	Array Binary Tree+3
108. Convert Sorted Array to Binary Search Tree	Solve	Easy	Amazon+4	Array Binary Search Tree+3
118. Pascal's Triangle	Solve	Easy	Adobe+17	Array Dynamic Programming
119. Pascal's Triangle II	Solve	Easy	Adobe+3	Array Dynamic Programming