class Solution {
public:
bool xorGame(vector<int>& nums) {
return !(nums.size() & 1) || !accumulate(nums.begin(), nums.end(), 0, bit_xor<int>{});
}
};
class Solution {
public:
bool xorGame(vector<int>& nums) {
return !(nums.size() & 1) || !accumulate(nums.begin(), nums.end(), 0, bit_xor<int>{});
}
};