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810. Chalkboard XOR Game #338

@namespace-io

Description

@namespace-io

类似于博弈论问题

class Solution {
public:
    bool xorGame(vector<int>& nums) {
        int XOR = 0;
        for(int i = 0; i < nums.size(); i++)
            XOR ^= nums[i];
        return XOR == 0 || nums.size() % 2 == 0;
    }
};

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