0201_Bitwise_AND_of_Numbers_Range.cpp

#pragma GCC optimize("Ofast","inline","ffast-math","unroll-loops","no-stack-protector")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native","f16c")
class Solution {
public:
    int rangeBitwiseAnd(int left, int right) {
        ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
        while(right>left){
            right &=(right-1);
        }
        return right;
    }
};