Minimize OR of Remaining Elements Using Operations.cpp

class Solution {
public:
    int minOrAfterOperations(vector<int>& nums, int k) {
        int ans=0,rans=0;
        for(int i = 29;i>=0;i--){
            int test=ans+(1<<i);
            int cnt=0;
            int val=0;
            for(auto it:nums){
                if(val==0)val=test&it;
                else val&=test&it;
                if(val)cnt++;
            }
            if(cnt>k)rans+=(1<<i);
            else ans+=(1<<i);
        }
        return rans;
    }
};