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added day11 solution. added util.RotateGrid

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alexchao26
2020-08-04 11:25:44 -04:00
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@@ -16,4 +16,4 @@ Day | Name | Type of Algo & Notes
8 | Space Image Format | 3D Array manipulation, pretty straight forward
9 | Sensor Boost | __MORE INTCODE. YAYY__ 🙃 <br> - A new parameter mode and opcode. <br> - __Really feeling the (tech) debt of some earlier design choices here, went back to refactor day07 before jumping into this one__, then it was a small bit of code for the relative param/opcode & resizing computer memory if necessary
10 | Monitoring Station | - This (part2) is my favorite algo... Yes I have a favorite algo <br> Fundamentally it's a geometry problem, angles and trig <br> - Part 1: Calculated via slopes <br> - Part 2: Using Arctangent to find angles an asteroid makes against a vertical line from the home base asteroid. Then those angles can be used to determine if Asteroids are covering each other, AND iterating through all of them can find the next angle Asteroid to vaporize
11 | Space Police | - More Intcode stuff... <br>
11 | Space Police | - More Intcode stuff... <br> - __2D Array/Slice manipulation__ and a bit of maths/graphing <br> - Implemented a __RotateGrid__ algo