0/1 Knapsack Problem: DP Solution with Space Optimization
3 min read The 0/1 Knapsack problem is one of the most important DP patterns. Unlike coin change (unbounded knapsack), each item can […] Read article
Dynamic Programming
Dynamic Programming
Longest Common Subsequence: DP Solution and Space Optimization
3 min read Longest Common Subsequence (LCS) is a fundamental string DP problem that appears in interviews at Google, Microsoft, and Amazon — Read article
Dynamic Programming
Edit Distance (Levenshtein): DP Solution Explained
3 min read Edit Distance (Levenshtein Distance) is a classic string DP problem that appears in interviews at Google, Microsoft, and Dropbox. It’s Read article
Dynamic Programming
Word Break Problem: Dynamic Programming Solution
2 min read Word Break (LeetCode 139) is a string DP problem that tests whether you can partition a string using a given Read article
Dynamic Programming
Coin Change: Bottom-Up and Top-Down Dynamic Programming
2 min read Coin Change (LeetCode 322) is the canonical dynamic programming problem. It tests your ability to identify optimal substructure, choose between Read article