Algorithm Solutions for Competitive Programming Problems
Grid Pattern Filling Algorithm
Problem Statement
Given an n×n grid containing '.' and '#' characters, determine if all '.' positions can be filled with cross-shaped patterns.
Solution Approach
Iterate through each cell and identify positions where cross patterns can be placed without overlapping.
#include <iostream>
#include <vector> ...
Posted on Mon, 01 Jun 2026 16:30:22 +0000 by aashcool198