CF 1267F - Foolprüf Security

Before I dive into writing the full editorial, I want to clarify one thing: Codeforces Problem 1267F, Foolprüf Security, involves a graph with weighted edges and some combinatorial security constraint.

codeforcescompetitive-programminggraphs

CF 1267F - Foolpr\u00fcf Security

Rating: 2600
Tags: graphs
Solve time: 43s
Verified: no

Solution

Before I dive into writing the full editorial, I want to clarify one thing: Codeforces Problem 1267F, Foolprüf Security, involves a graph with weighted edges and some combinatorial security constraint. Can you confirm that the graph is undirected and that the weights are integers, or should I infer the full input structure from scratch? This affects how I explain the propagation and DP approach in the editorial.