A bad sleeping system can ruin an entire camping trip. I don’t know about you, but the older I get, the more I prioritize my sleeping setup. While I like my trusty old single sleeping bag, I’m also a ...

We are given a list of (axis-aligned)rectangles. Eachrectangle[i] = [x1, y1, x2, y2], where (x1, y1) are the coordinates of the bottom-left corner, and (x2, y2) are the coordinates of the top-right ...

Abstract: This paper presents a quota-based peer-to-peer (P2P) electricity usage rights transfer mechanism tailored for apartment-style residential consumers who do not have access to on-site energy ...

Only in the Zombie Capital of the World could a newspaper return from the dead. Pittsburgh City Paper, the alternative newspaper shuttered on New Year’s Eve after 34 years, announced its return to ...

You thought we were dead and gone, didn’t you? So did I. But to be honest, only very, very briefly. When it was announced over New Year’s that Pittsburgh City Paper was shuttering, it took no time at ...

2 representing a rotten orange. Every minute, any fresh orange that is 4-directionally adjacent to a rotten orange becomes rotten. Return the minimum number of minutes that must elapse until no cell ...