HackerRank "Tower Breakers, Again!"
2017-12-26 11:12
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An intuitive problem for learning & applying Sprague-Grudy theorem:
https://zhuanlan.zhihu.com/maigo/20611132
Lesson learnt, in Sprague-Grundy theorem:
- For sub-games, use XOR
- For sub-states, use MEX
https://zhuanlan.zhihu.com/maigo/20611132
Lesson learnt, in Sprague-Grundy theorem:
- For sub-games, use XOR
- For sub-states, use MEX
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