XenithShade

4 ms·

1. 1.▲
   by XenithShade 13y ago

   Fun, I personally got 1525, accuracy 88.8%, 38.9 WPM... Creative and fun though
2. 2.▲
   by XenithShade 13y ago

   Closed form is ((1 + 250)* 250)/2 Once you know the actual sum, you can do it either: sum all, subtract total - sum. Or with data structures: it would be a variant of the "given an array find all pairs of numbers that add up to a
3. 3.▲
   by XenithShade 13y ago

   There's a higher level of photographic memory that very few people are capable of. Those that can call on demand images of the past at will. I've met one, and knew of a teacher who knew one. Like the author of this article stated.
4. 4.▲
   by XenithShade 14y ago

   In theory as they said, it's reasonable and it makes sense. However getting it to work in practical is usually a whole other story. Humanity will see it eventually I'm sure.