Striver Blind 75 — Detailed Solutions & Explanations
🚀 Striver Blind 75 Solutions Guide
Section titled “🚀 Striver Blind 75 Solutions Guide”Welcome to the complete documentation hub for the Striver Blind 75 DSA Questions. Each problem below includes a detailed walkthrough, approach intuition, step-by-step Mermaid diagrams, brute force code, and optimal solutions.
Day 1: Arrays — Part 1 (Hashing & Kadane)
Section titled “Day 1: Arrays — Part 1 (Hashing & Kadane)”- Solve: Two Sum
- Solve: Contains Duplicate
- Solve: Best Time to Buy & Sell Stock
- Solve: Product of Array Except Self
- Solve: Maximum Subarray (Kadane’s)
Day 2: Arrays — Part 2 (Rotated Search & Two Pointers)
Section titled “Day 2: Arrays — Part 2 (Rotated Search & Two Pointers)”- Solve: Maximum Product Subarray
- Solve: Find Minimum in Rotated Sorted Array
- Solve: Search in Rotated Sorted Array
- Solve: 3Sum
- Solve: Container With Most Water
Day 3: Binary & Bit Manipulation
Section titled “Day 3: Binary & Bit Manipulation”- Solve: Sum of Two Integers
- Solve: Number of 1 Bits
- Solve: Counting Bits
- Solve: Missing Number
- Solve: Reverse Bits
Day 4: Dynamic Programming — Part 1
Section titled “Day 4: Dynamic Programming — Part 1”- Solve: Climbing Stairs
- Solve: Coin Change
- Solve: Longest Increasing Subsequence
- Solve: Longest Common Subsequence
- Solve: Word Break
Day 5: Dynamic Programming — Part 2
Section titled “Day 5: Dynamic Programming — Part 2”- Solve: Combination Sum
- Solve: House Robber
- Solve: House Robber II
- Solve: Decode Ways
- Solve: Unique Paths
- Solve: Jump Game
Day 6: Graphs — Part 1 (Traversal & Topo)
Section titled “Day 6: Graphs — Part 1 (Traversal & Topo)”- Solve: Clone Graph
- Solve: Course Schedule
- Solve: Pacific Atlantic Water Flow
- Solve: Number of Islands
Day 7: Graphs — Part 2 (Union-Find & Premium)
Section titled “Day 7: Graphs — Part 2 (Union-Find & Premium)”- Solve: Longest Consecutive Sequence
- Solve: Alien Dictionary
- Solve: Graph Valid Tree
- Solve: Number of Connected Components in an Undirected Graph
Day 8: Intervals
Section titled “Day 8: Intervals”- Solve: Insert Interval
- Solve: Merge Intervals
- Solve: Non-overlapping Intervals
- Solve: Meeting Rooms
- Solve: Meeting Rooms II
Day 9: Linked Lists
Section titled “Day 9: Linked Lists”- Solve: Reverse a Linked List
- Solve: Detect Cycle in a Linked List
- Solve: Merge Two Sorted Lists
- Solve: Merge K Sorted Lists
- Solve: Remove Nth Node From End of List
- Solve: Reorder List
Day 10: Matrix
Section titled “Day 10: Matrix”Day 11: Strings — Part 1 (Sliding Window & Hashing)
Section titled “Day 11: Strings — Part 1 (Sliding Window & Hashing)”- Solve: Longest Substring Without Repeating Characters
- Solve: Longest Repeating Character Replacement
- Solve: Minimum Window Substring
- Solve: Valid Anagram
- Solve: Group Anagrams
Day 12: Strings — Part 2 (Palindromes & Parsing)
Section titled “Day 12: Strings — Part 2 (Palindromes & Parsing)”- Solve: Valid Parentheses
- Solve: Valid Palindrome
- Solve: Longest Palindromic Substring
- Solve: Palindromic Substrings
- Solve: Encode and Decode Strings
Day 13: Trees — Part 1 (Traversal & Structure)
Section titled “Day 13: Trees — Part 1 (Traversal & Structure)”- Solve: Maximum Depth of Binary Tree
- Solve: Same Tree
- Solve: Invert / Flip Binary Tree
- Solve: Binary Tree Maximum Path Sum
- Solve: Binary Tree Level Order Traversal
- Solve: Serialize and Deserialize Binary Tree
Day 14: Trees — Part 2 (BST & Construction)
Section titled “Day 14: Trees — Part 2 (BST & Construction)”- Solve: Subtree of Another Tree
- Solve: Construct Binary Tree from Preorder and Inorder
- Solve: Validate Binary Search Tree
- Solve: Kth Smallest Element in a BST
- Solve: Lowest Common Ancestor of a BST