17 lines
556 B
Python
17 lines
556 B
Python
import sys
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with open(sys.argv[1]) as f:
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num_nodes, num_edges = map(int, f.readline().strip().split(" "))
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all_edges = set()
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for _ in range(num_edges):
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from_edge, to_edge = map(int, f.readline().strip().split(" "))
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all_edges.add((from_edge, to_edge))
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all_edges.add((to_edge, from_edge))
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all_edges = sorted(list(all_edges))
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new_num_edges = len(all_edges)
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with open(sys.argv[2], "w") as f:
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f.write(f"{num_nodes} {new_num_edges}\n")
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for from_edge, to_edge in all_edges:
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f.write(f"{from_edge} {to_edge}\n") |