PLUM- Editorial

Problem Link

Contest

Practice

Author: Sahil Rajput

Tester: Sahil Rajput

Editorialist: Sahil Rajput

Difficulty

Medium

Prerequisites

Graph Theory

Problem

Given a weighted graph with N nodes and starting position , you have to find the overall weight of MST of the graph taking 1 unit as Pi. Task is simple just implement Kruskal’s algorithm in the graph but if their are edges of equal weight first pick up the one with least value of given expression while sorting the edges initially.

Time Complexity

O(ELogV)

Solution Link

Setter’s solution