How I can improve at graphical problems?

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I program in c++,java…please tell me some source… or technique…

like this one www.codechef.com/JAN14/problems/TOURBUS

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@v4_adi:

list of tutorials on graphs:

  1. a tutorial written by kuruma.(click here)

2)topcoder tutorial

3)see 9th point for a tutorial on graphs.

4)covers many graph concepts.

practice these graph problems on codechef and there are many more problems available on many online judges, start with easy ones :slight_smile:

Happy Learning :slight_smile:

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