Here is the problem you were working on:
The hints for the problem were:
Hint 1:
Hint 2:
Hint 3:
Hint 4:
And here is the solution Marco worked up for the problem:
Here is the problem you were working on:
The hints for the problem were:
Hint 1:
Hint 2:
Hint 3:
Hint 4:
And here is the solution Marco worked up for the problem: