Close, but not quite. (I'll admit, Khan Academy's explaination is more than a little vague at times.) Big-O, big-Θ, and big-Ω can all be used to measure the running time of the worst-case. The difference is which bounds are defined by the notation.
I'm putting my entire answer in a separate comment.
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Close, but not quite. (I'll admit, Khan Academy's explaination is more than a little vague at times.) Big-O, big-Θ, and big-Ω can all be used to measure the running time of the worst-case. The difference is which bounds are defined by the notation.
I'm putting my entire answer in a separate comment.