What is proof of spoj problem :- HUBULLU — Hubulullu

Правка en1, от VIKRAM91, 2018-08-31 15:05:09

I was doing this problem on Spoj. The solution of this problem is that first player always wins.

Can anyone give me proof of this?

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en1 Английский VIKRAM91 2018-08-31 15:05:09 227 Initial revision (published)