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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | Home Page | Category: Computing | 332 Views, 19110 Search Bots | 72 Words

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Hi, here's your problem today. This problem was recently asked by Facebook:

Given an undirected graph, determine if a cycle exists in the graph.

Here is a function signature:


def find_cycle(graph):
# Fill this in.

graph = {
'a': {'a2':{}, 'a3':{} },
'b': {'b2':{}},
'c': {}
}
print find_cycle(graph)
# False
graph['c'] = graph
print find_cycle(graph)
# True


Can you solve this in linear time, linear space?
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, | English | Home Page | Cateogry: Computing | 332 Views, 19110 Search Bots | 72 Words Subscribe to Feed Burner

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