46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
import sys
|
|
|
|
import networkx as nx
|
|
from networkx.algorithms import isomorphism
|
|
|
|
|
|
def main():
|
|
lines = []
|
|
for line in sys.stdin:
|
|
lines.append(line.rstrip("\n"))
|
|
|
|
ancient_graph = nx.Graph()
|
|
ancient_graph.add_edge("A", "F")
|
|
ancient_graph.add_edge("A", "J")
|
|
ancient_graph.add_edge("A", "M")
|
|
ancient_graph.add_edge("B", "C")
|
|
ancient_graph.add_edge("B", "K")
|
|
ancient_graph.add_edge("B", "H")
|
|
ancient_graph.add_edge("C", "D")
|
|
ancient_graph.add_edge("C", "G")
|
|
ancient_graph.add_edge("D", "G")
|
|
ancient_graph.add_edge("D", "L")
|
|
ancient_graph.add_edge("E", "M")
|
|
ancient_graph.add_edge("E", "N")
|
|
ancient_graph.add_edge("E", "G")
|
|
ancient_graph.add_edge("F", "K")
|
|
ancient_graph.add_edge("F", "I")
|
|
ancient_graph.add_edge("H", "I")
|
|
ancient_graph.add_edge("H", "J")
|
|
ancient_graph.add_edge("I", "L")
|
|
ancient_graph.add_edge("J", "N")
|
|
ancient_graph.add_edge("K", "L")
|
|
ancient_graph.add_edge("M", "N")
|
|
|
|
modern_graph = nx.Graph()
|
|
for line in lines[1:]:
|
|
frm, to = line.split()
|
|
modern_graph.add_edge(frm, to)
|
|
matcher = isomorphism.GraphMatcher(ancient_graph, modern_graph)
|
|
matcher.is_isomorphic()
|
|
print(matcher.mapping[lines[0]])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|