LionAge II DP

Revision en1, by wish_me, 2018-01-24 14:14:24

While I was solving this DP ,

http://codeforces.com/contest/73/problem/C

I think we can do it by 3d-DP.But I am able to make only two states dp[i][j][?] where i is currently index and j is how many letters we can change.Can any one suggest me the third state or the approach??

Tags 3-d dp

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en1 English wish_me 2018-01-24 14:14:24 296 Initial revision (published)