Back to Sheets

1 Month DSA Practice Sheet

Intensive 30-day preparation plan

10 Easy37 Medium13 Hard
0 of 60 solved0%

Sign in to save your progress and see it on your dashboard.

Showing 60 of 60 problems

01Two Sumeasy
02Longest Substring Without Repeating Charactersmedium
03Longest Palindromic Substringmedium
04Roman to Integereasy
053Summedium
06Letter Combinations of a Phone Numbermedium
07Valid Parentheseseasy
08Generate Parenthesesmedium
09Search in Rotated Sorted Arraymedium
10Sudoku Solverhard
11Count and Saymedium
12Trapping Rain Waterhard
13Maximum Subarrayeasy
14Rotate Imagemedium
15Merge Intervalsmedium
16Plus One Linked Listmedium
17Unique Pathsmedium
18Climbing Stairseasy
19Set Matrix Zeroesmedium
20Sliding Window Maximumhard
21Word Searchmedium
22Largest Rectangle in Histogramhard
23Binary Tree Inorder Traversaleasy
24Symmetric Treeeasy
25Binary Tree Zigzag Level Order Traversalmedium
26Construct Binary Tree from Preorder and Inorder Traversalmedium
27Populating Next Right Pointers in Each Nodemedium
28Binary Tree Maximum Path Sumhard
29Word Ladderhard
30Palindrome Partitioningmedium
31Word Breakmedium
32Word Break IIhard
33Linked List Cyclemedium
34LRU Cachehard
35Maximum Product Subarraymedium
36Excel Sheet Column Numbereasy
37Number of Islandsmedium
38Reverse Linked List IImedium
39Lowest Common Ancestor of a Binary Treemedium
40Find Missing and Repeatingmedium
41Inorder Successor in BSTmedium
42Find Median from Data Streamhard
43Longest Increasing Subsequencemedium
44Minimum Path Summedium
45Best Time to Buy and Sell Stock IIIhard
46Course Schedulemedium
47Compare Version Numbersmedium
48Meeting Rooms IImedium
49Palindrome Partitioning IIhard
50Maximum Sum Increasing Subsequencemedium
51Merge k Sorted Listshard
52Lowest Common Ancestor of a BSTeasy
53Flatten Binary Tree to Linked Listmedium
54Rotting Orangesmedium
55Next Greater Element Imedium
56Median of Two Sorted Arrayshard
57Count Inversionsmedium
58Maximum Subarray Sumeasy
59Distinct Numbers in Windowmedium
60K Max Sum Combinationsmedium