4 ms·
Somehow I'm sure that some of the other problems must be a lot harder. Why else would heavy hitters like Poh Shen Lo and other past IMO competitors bother with
by eachro 11y ago
Somehow I'm sure that some of the other problems must be a lot harder. Why else would heavy hitters like Poh Shen Lo and other past IMO competitors bother with this?
- ipince 11y agoBecause it's for charity.