The four land areas each had an odd number of incident bridges, preventing a trail that used each bridge exactly once.
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Why was a route using each bridge once impossible?
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Uitleg
The four land areas each had an odd number of incident bridges, preventing a trail that used each bridge exactly once.
The four land areas all had even degree, so a one-use route was guaranteed.
🎉😄
😢
Uitleg
The four land areas each had an odd number of incident bridges, preventing a trail that used each bridge exactly once.