Accessing Data • index: Use [0] to get the first item. • at (): A modern way to get items. You can use negative numbers like -1 to get items from the end. This is safer than standard bracket notation ...

If you look at this problem linearly, the temptation is to loop through the array until you find a number greater than or equal to your target. But a linear scan runs in O (n) time, which misses the ...