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⇱ Euler-Circuit Archives - GeeksforGeeks

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Eulerian Path/Eulerian Circuit in Python

Last Updated: 23 July 2025

Eulerian Paths and circuits are fundamental concepts in graph theory, named after the Swiss mathematician Leonard Euler. All paths and circuits along the edges of the grap...read more

Conversion of an Undirected Graph to a Directed Euler Circuit

Last Updated: 12 July 2025

Given an undirected graph with V nodes (say numbered from 1 to V) and E edges, the task is to check whether the graph is an Euler Graph or not and if so then convert it in...read more

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De Bruijn sequence | Set 1

Last Updated: 11 July 2025

Given an integer n and a set of characters A of size k, find a string S such that every possible string on A of length n appears exactly once as a substring in S. Such a s...read more

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Minimum edges required to add to make Euler Circuit

Last Updated: 23 July 2025

Given a undirected graph of n nodes and m edges. The task is to find minimum edges required to make Euler Circuit in the given graph. Examples:Input : n = 3, m = 2...read more

Chinese Postman or Route Inspection | Set 1 (introduction)

Last Updated: 23 July 2025

Chinese Postman Problem is a variation of Eulerian circuit problem for undirected graphs. An Euler Circuit is a closed walk that covers every edge once starting and ending...read more

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Euler Circuit in a Directed Graph

Last Updated: 23 July 2025

Eulerian Path is a path in graph that visits every edge exactly once. Eulerian Circuit is an Eulerian Path which starts and ends on the same vertex.A graph is said to be e...read more

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graph-connectivity

Find if an array of strings can be chained to form a circle

Last Updated: 23 July 2025

Given an array of strings, the task is to find if the given strings can be chained to form a circle. A string X can be put before another string Y in circle if the last ch...read more

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Fleury's Algorithm for printing Eulerian Path or Circuit

Last Updated: 23 July 2025

Given an undirected connected graph with v nodes, and e edges, with adjacency list adj. The task is to print an Eulerian trail or circuit using Fleury's AlgorithmA graph i...read more

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Eulerian path and circuit for undirected graph

Last Updated: 08 June 2025

Given anundirected connected graphwithvnodes, andeedges, with adjacency listadj. We need to write a function thatreturns 2 if the graph contains aneulerian circuit or cycl...read more

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