// Complete the maximizingXor function below.
func maximizingXor(l int32, r int32) int32 {
    max := int32(0)
    for i := l; i<=r;i++ {
        for j := i; j<=r;j++{
            if (i^j) > max {
                max = (i^j)
            }
        } 
    }
    return max
}