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(LeetCode example trace)
Sample: , edges , threshold . After Floyd-Warshall: dist[0][1]=3, dist[0][2]=4, dist[0][3]=5, etc. City reaches cities and (count ). City reaches cities and (count ).
Tied at . Return city (larger index). This example shows how ties are resolved by returning the higher-numbered city. The tie-breaking rule is part of the problem statement.
