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Автор fat_nerd, история, 2 года назад, По-английски

I have been practicing CP for a while, but this is the first time I have seen these types of weird problems. Can someone help me solve these?

  1. Given an array of numbers (a_i <= 1e18). Determine if each number is the sum of 2 Fibonacci numbers.
  2. Given a list of 4 <= N <= 1000 points on a Cartesian plane, count the number of squares such that all 4 corners of the square lie on the points. Note that the points don't repeat and -1000 <= xi, yi <= 1000, and the square does not need to be axis aligned.

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Автор fat_nerd, история, 2 года назад, По-английски

The legend, the genius, the 2 times IOI’s absolute winner, Benjamin Qi, IS BACK AFTER ALMOST A YEAR !!! Now, it's gonna be very interesting to see tourist, jiangly, and Benq compete for the top spot. Do you guys think tourist will be dethroned soon?

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