hello everybody. I currently learned the segment tree algorithm and it is a bit diffucult to understand this. I really need help to provide better understand and implementation . What would you advise for me to get this ? thank u
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hello everybody. I currently learned the segment tree algorithm and it is a bit diffucult to understand this. I really need help to provide better understand and implementation . What would you advise for me to get this ? thank u
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Segment Tree I learned from this. The code is simple if u do reverse engg.
You can practice on Codeforces, LightOJ...
For example, you can try to solve http://codeforces.com/problemset/problem/381/E
I finally solved that problem. And it was really helpful. Thank you.
thanks for your ideas.
Here are some helpful posts:
These posts describe lazy propagation, a very useful technique: