Dynamic Programming Solutions for Word Break and House Robber Problems
Word Break Problem
Given a string s and a ditcionary wordDict, determine if s can be segmented into space-sepaarted words from the dictionary.
Backtracking with Memoization
bool canSegment(const string& s, const unordered_set<string>& dict, vector<int>& memo, int pos) {
if(pos >= s.size()) return true;
if(memo ...
Posted on Thu, 15 Oct 2026 16:47:07 +0000 by _Alex_
Implementing a Plants vs. Zombies Clone with Python and Pygame
Begin by importing the necesary libraries and defining the global configuration constants. These settings establish the screen dimensions, asset directories, and initial state variables for the game session.
import pygame
import sys
# Configuration constants
ASSET_DIR = "resources/"
WIDTH = 800
HEIGHT = 600
TARGET_FPS = 60
# Game st ...
Posted on Tue, 13 Oct 2026 16:56:27 +0000 by sloth456
Mastering Hash Tables and Sets for Technical Interviews
Hash functions are fundamental building blocks that map input data of arbitrary size to fixed-size output values. These functions must be deterministic, ensuring the same input always produces the same hash value. In interview scenarios, we often leverage hash tables to achieve O(1) average time complexity for insertions, deletions, and lookups ...
Posted on Tue, 01 Sep 2026 16:52:20 +0000 by kankohi