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Commit72b8d84

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Create 2092-find-all-people-with-secret.py
1 parente8c19c0 commit72b8d84

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classSolution:
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deffindAllPeople(self,n:int,meetings:List[List[int]],firstPerson:int)->List[int]:
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secrets=set([0,firstPerson])
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time_map= {}
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forsrc,dst,tinmeetings:
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iftnotintime_map:
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time_map[t]=defaultdict(list)
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time_map[t][src].append(dst)
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time_map[t][dst].append(src)
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defdfs(src,adj):
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ifsrcinvisit:
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return
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visit.add(src)
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secrets.add(src)
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forneiinadj[src]:
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dfs(nei,adj)
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fortinsorted(time_map.keys()):
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visit=set()
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forsrcintime_map[t]:
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ifsrcinsecrets:
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dfs(src,time_map[t])
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returnlist(secrets)

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