5+ hour, 48+ min ago  (345+ words) Home " Security Bloggers Network " Master C and C++ with our new Testing Handbook chapter LLM enthusiasts rejoice: we're also developing a Claude skill based on this new chapter. It will turn the checklist into bug-finding prompts that an LLM can…...

4+ hour, 51+ min ago  (1775+ words) This book offers insights into C++, including algorithms and practices in game development, explores strengths and weaknesses of the language, its established workflows, and hands-on solutions. C++ continues to dominate the game development industry today thanks to its combination of…...

10+ hour, 5+ min ago  (107+ words) Medium " String | Two Pointers | Expand Around Centers | Palindrome Count the total number of palindromic substrings in a given string, where a palindromic substring reads the same forwards and backwards. Use the expand around centers technique by checking every possible center…...

10+ hour, 11+ min ago  (134+ words) Medium " Binary Search Tree | Tree Traversal | Recursion | Inorder Traversal Find the kth smallest element in a Binary Search Tree (BST), where k is 1-indexed. The function should return the value of the kth smallest node when all nodes are sorted…...

5+ hour, 57+ min ago  (113+ words) Medium " Dynamic Programming | Array | Binary Search Find the length of the longest strictly increasing subsequence in an array of integers. A subsequence maintains the relative order of elements but doesn't need to be contiguous. Use dynamic programming where dp[i]…...

10+ hour, 11+ min ago  (125+ words) Hard " Stack | Array | Monotonic Stack | Histogram Find the area of the largest rectangle that can be formed in a histogram represented by an array of bar heights. Each bar has width 1 and the rectangle must be formed by consecutive bars....

5+ hour, 54+ min ago  (106+ words) Medium " Sliding Window | Two Pointers | Hash Map | String Use a sliding window approach with two pointers to maintain a valid window where the number of characters to replace (window size minus most frequent character count) doesn't exceed k. Expand the window…...

10+ hour, 12+ min ago  (132+ words) Easy " Heap | Priority Queue | Data Stream | Design Design a class that efficiently finds the kth largest element in a stream of integers, where new values are continuously added and we need to return the kth largest element after each addition....

10+ hour, 11+ min ago  (116+ words) Medium " Dynamic Programming | String | Two Pointers Find the length of the longest common subsequence (LCS) between two strings, where a subsequence maintains the relative order of characters but doesn't need to be contiguous. Use dynamic programming with a 2 D table…...

5+ hour, 58+ min ago  (116+ words) Hard " Dynamic Programming | Depth-First Search | Matrix | Memoization Find the length of the longest increasing path in a matrix where you can move in four directions (up, down, left, right) to adjacent cells with strictly increasing values. Uses depth-first search (DFS)…...