halozatrombolas/analyse_p3.py

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2020-09-24 12:49:49 +02:00
import numpy as np
import networkx as nx
import argparse
import sys
parser=argparse.ArgumentParser(description='')
parser.add_argument('-g', '--graph', dest='graph', action='store', default=None)
parser.add_argument('-d', '--destroy', dest='destroy', action='store', default=None)
parser.add_argument('-n', '--node', dest='isnode', action='store_const', const=False, default = True)
args=parser.parse_args()
if not args.graph or not args.destroy:
print >> sys.stderr, 'need graph and destroylist as argument -g and/or -m'
exit()
D=[]
with open(args.destroy) as inf:
for line in inf:
D.append(int(line))
with open(args.graph) as ing:
n=int(ing.readline())
m=int(ing.readline())
A=[[0]*n for _ in range(n)]
for _ in range(m):
if not args.isnode:
if _ in D:
continue
[u,v]=map(int, ing.readline().split())
if args.isnode:
if u in D or v in D:
continue
A[u][v]=1
A[v][u]=1
G=nx.Graph(np.array(A))
print (len(D), [len(c) for c in sorted(nx.connected_components(G), key=len, reverse=True)] )