Problem : https://atcoder.jp/contests/abc246/tasks/abc246_e
My submission : https://atcoder.jp/contests/abc246/submissions/30677792
I can't find where my BFS is wrong now.
Can you guys help me out, thank you very much!
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you can change your code to this: https://atcoder.jp/contests/abc246/submissions/30678903
I changed the state the mp in order to store the minimum move of each position with different previous move.
Thank you, I understand it.