Datasets:
File size: 551 Bytes
93237a0 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | edges = [("A","B",2),("A","C",3),("B","C",1),("B","D",4),
("C","D",2),("C","E",3),("D","E",1)]
paths = []
def visit(path, cost):
if path[-1] == "E":
paths.append((path, cost))
return
for u, v, weight in edges:
if u == path[-1] and v not in path:
visit(path + [v], cost + weight)
visit(["A"], 0)
best = min(cost for _, cost in paths)
result = {"distance": best, "shortest_path_count": sum(cost == best for _, cost in paths)}
import json
print(json.dumps(result, ensure_ascii=False, sort_keys=True))
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