upload exercise files

analyse_p3.py

@@ -0,0 +1,39 @@
+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)] )