According to the statement, as X forms with 2 match sticks and it’s a compulsory element of the game. An equal number of addition (+) and substraction(-) takes 3 match sticks to form. So if N-2 is divisible by 3 then Alice wins.


76% Solution Ratio
AsevenxEarliest, Jul '22
Imran02Fastest, 0.0s
IntolerableEmuLightest, 0 B
Nusab19Shortest, 50B
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