ONE line Solution C++

[yash-jain_732]

int Solution::solve(int A) { return __builtin_ctz(A); }

[atul007ism]

how about this one liner…

int Solution::solve(int A) {
    return log2(A^(A&(A-1)));
}

[gunjan-kumar_881]

and this
return log2(A&(-A));

[ipsa-mishra]

return log2(A&(~(A-1))) ;