1025. Divisor Game

time: O(1)

space:O(1)

class Solution {
    public boolean divisorGame(int n) {
        return n%2 == 0;
    }
}

//alice first, n-x, n%x==0

/*
n=2, 

n=4
4 3 2 1
1 1 1 1
1 
*/