Check if an array is subset of another array using --two pointer; using namespace std; #include #include #include bool isSubset(vector& a, vector& b) { sort(a.begin ...

The XOR total of an array is defined as the bitwise XOR of all its elements, or 0 if the array is empty. For example, the XOR total of the array [2,5,6] is 2 XOR 5 XOR 6 = 1. Given an array nums, ...