A PriorityQueue is a list that always keeps its items sorted based on some rule, like smallest to largest. So, when you take an item out, you always get the one with the highest (or lowest) priority.

The Google DeepMind team participated in last year's IMO competition using an AI composed of the AlphaProof and AlphaGeometry ...

How will we know we've attained AGI and ASI? We will ask the AI a series of probing questions. How many questions is enough?