Write an efficient algorithm for the following assumptions: N is an odd integer within the range [1..1,000,000]; each element of array A is an integer within the range [1..1,000,000,000]; all but one ...

//Find the sum of the odd numbers within an array, after cubing the initial integers. //The function should return undefined if any of the values aren't numbers ...

This image has the number 41 in rows and columns in various colors. You need to concentrate and find the odd number within a few seconds.