40 lines
842 B
Python
40 lines
842 B
Python
import numpy, random
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EXP_CONN = 2
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NODES = 10000
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nodes = []
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for i in range(NODES):
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n = []
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EDGES = numpy.random.poisson(EXP_CONN / 2.)
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for j in range(EDGES):
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n.append(random.randrange(NODES))
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nodes.append(n)
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for i in range(NODES):
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for p in nodes[i]:
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if i not in nodes[p]:
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nodes[p].append(i)
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print 'Total edges:', sum([len(s) for s in nodes])
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components = []
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scanned = {}
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for i in range(NODES):
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if i in scanned:
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pass
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size = 0
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positions = [i]
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while len(positions):
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val = positions.pop()
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if val not in scanned:
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scanned[val] = True
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size += 1
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for p in nodes[val]:
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positions.append(p)
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# print 'Component:', size
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components.append(size)
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print 'Biggest components:', sorted(components)[::-1][:10]
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