## Problems
- [Skyscraper](http://s3-ap-northeast-1.amazonaws.com/data.cms.ioi-jp.org/open-2016/2016-open-skyscraper-en.pdf) [^1] [^2] [^3]
- [Ant Man](http://codeforces.com/contest/704/problem/B)
- [SumOverPermutations](https://community.topcoder.com/stat?c=problem_statement&pm=13764) [^4]
- [Seatfriends](https://community.topcoder.com/stat?c=problem_statement&pm=12909) [^5]
- [AppleTrees](https://community.topcoder.com/stat?c=problem_statement&pm=11213)

## See also
- [Dynamic programming]()
- [Dynamic programming over bipartite matchings]()

## External links
- [[Tutorial] Non-trivial DP Tricks and Techniques](http://codeforces.com/blog/entry/47764)

[^1]: <http://s3-ap-northeast-1.amazonaws.com/data.cms.ioi-jp.org/open-2016/2016-open-skyscraper-sol-en.pdf>
[^2]: <http://codeforces.com/blog/entry/45593>
[^3]: <http://codeforces.com/blog/entry/47764>
[^4]: <https://apps.topcoder.com/wiki/display/tc/SRM+666#SumOverPermutations>
[^5]: <https://apps.topcoder.com/wiki/display/tc/SRM+625#Seatfriends>