Mastering Graph Search: DFS and BFS Strategies in Competitive Programming
Understanding Search Paradigms
When approaching algorithmic challenges involving traversal, two primary methods dominate: Depth-First Search (DFS) and Breadth-First Search (BFS). While both traverse nodes in a graph or tree, their utility differs based on the problem constraints. BFS is fundamentally tied to the concept of shortest paths in unw ...
Posted on Thu, 09 Jul 2026 17:24:30 +0000 by studot
Graph Algorithms for Island Problems in Go
Water Flow Simulation
Siumlate water flow using two visited matriecs for tracking.
Depth-First Search Implementation
package main
import "fmt"
var dirs = [][]int{{1, 0}, {-1, 0}, {0, 1}, {0, -1}}
func main() {
var rows, cols int
fmt.Scanln(&rows, &cols)
grid := make([][]int, rows)
vis1 := make([][]bool, ...
Posted on Thu, 09 Jul 2026 16:35:05 +0000 by Pryach
Topological Sorting Algorithms and Applications in Directed Acyclic Graphs
Directed Acyclic Graphs (DAG)A Directed Acyclic Graph (DAG) is a directed graph containing no cycles. If a directed graph contains a cycle, no topological ordering exists. For a valid DAG, multiple valid topological orderings may be possible.For any vertex in a directed graph, the count of incoming edges is called in-degree, and the count of ou ...
Posted on Mon, 11 May 2026 04:32:52 +0000 by Bee