Day 11...ugly...
This commit is contained in:
90
11input.txt
Normal file
90
11input.txt
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LLLLLL.LLLL..LLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLLLL.L.LL.LLLLLL.LLLLLLLLLLLLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLLLLLLLL.LLL.LLLL.L.LLLLLL.LLLLLLLLLLLL.LLLLLLLL
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LLLLLLLL.LLL.LL..LLLLLLLLL.L.LLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLL.LLLLLLLL
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LLLLLL.LLLLL.LLL.LLLLLLLLL.LLLLLLLLLLL.LL.LLLLLL.LLLLLLLL.LLLLLLLLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLLLLLLLLL.LL.LLLLLLLLL..LLL.LLLLLLLLLLLLLLLLLLL.LLLLL.LLLLL.LLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LL..L.LLL.....L.L.L.....LL..L.LLLL..LL..LL..L.L.L.........LL.L..L..LL.L...L.LL..........LL....L.L..
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L.LLLLLLLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLL
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.LLLLLLLLLLLLLLLL.LLLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLL.LLLL.LLLLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLL.LLL.LL
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LLL.L..LLLLLLLLL..LLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLL.LL.LLL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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.LLLLL.LLLLLLLLL.LLLLLLLLLLLLLL..LLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLL..LLL.LLLLLLLLLLLLLLLL.LLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLL.LLLL.LLLLL..LLLLLLLLLLLLLLLL
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LLLLL.LLLLLLLLLLLL.LLLLLLLLLLLL.LLL.LLLLL.LLLLLL.LLL.LLLLLLLLLL.L.L.L..LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLL.LLLL.LLLLL..LLLLLLLLL.LLLLLL
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..L....L......L..L..L.......LL.L..L............LL.LL.L.L.L..........L..L.L.LL.L.LL......L.L....L..L
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LLLLLL.LLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.L.LLLLLLLLLLLLLLL.LLLLLL.LLLL.LLLLLLLLLLL
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.LLLLL.LLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLL.LLL.LLLLLLLLLL.LLLLLL.LL.LLL.LLLL.LLLLLL.LLLLLLLLL.LLL.L.
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LLLLL..LLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLL.LL.LLLLLLLLLLLLLLLLLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLL.L.L.LLLLLLLLLLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLL.LLLLLL.LLLLLL.LLLLLLLLLLLLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLL.LL.LLLL.LLLLLLLLLLLL.LLL.LLLLLL
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L.LLLL.L.LLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLL.LLLLLLLL.LLLLL.LLLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLLLL
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L.L...L...LL....LL....L..L.L.LLLL..LL..L.L....L.LL.L..L.L..LL.L..L..L..LLL..L..L..........L........
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LLLLLL.LLL.LLL.L.LLLLLLLLL.LLLLLLL.LLLLLL.LLL.LL.LLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLLLLLLLLLLLL.L.LL.LLLLLLLLL.L.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL
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LLLLLL.LLLLLLLLLLLLLLLLLLL.LLLL.LLLLL.LLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLL
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LLLLLL..LLLLLLLL.LL.LLLLLL.LLLL.LLLLLLLLL.LLLLL...L.LL.LL.LLLLL.LLLLLLLL.LL.LLLL.L.LL.LLLLLL.LLLLLL
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LLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLL.LLLLLL..LLLLL.LLLLLLLL.LLLLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLLLLL.LLL
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L..LL...............L...L.......LLL.....LL...L.........L.....L...L..L.......L.LLLL..L.L..LL.LL....L
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LLLLLL.LLLLLLLLL.LLLLLL.LL.LLLL.LLLLLLLLL.LLLLLL.LLLLLL.LLLLLLL.LLL.LL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLLLLLLLLL.LL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLL.LLLL.LLLLLL.LLLLL.LLL.LLLLLL
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LLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLL.LLLLLL.LLLLLLLLLLL..LLLLLLLLLLLLLLL
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.LLLLLLL.LLLLLLL.LLLLLLLLL..LLL.LLLLLLLLL..LLLLL.LLLLLLLL.LLLLL.LLLLLL.LLLL.L.L.LL..LLLLLLLL.L.LLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLL..LLLL.LLL.LL.LLLLLLLLL.LLLLLL
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LLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLL.LLL.L.LLLLL.
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LLLLLLLLLLLLLLLLLLLLLLLLLL.LLLL.LL.LLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLL..LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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....L....L.L...L....L..L........L.L..LLL..L.L.L.L..L..L.....L.L....LL...LL..L..LL..LLL....LL...LL.L
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.LLLLLLLLLLLLLLL.LLLLLLLLL..LLLLLLLLL.LL..LLLLLL.L.LLLLLL.LLLLLLL.LLLL.LLLLLLLLLL..LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL...LLLL.LLLL.LLLLLLLLLL.LLLLLLLLLLLL
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LLLLLL.LLL.LLLLL.LLLLLLLLL.LLLL.LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLLLLLLLLL.LLLL.LLLLLL.LL.LLLLLLLLLLLLL
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LLLLLLLL.LLLLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.L.LLLLLLLLL.LLLLLLLLL.LLLLLL.LLLLLL
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LLLLLLLLLLLLL.LLL.LLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLL.L..LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLLL.LLLLLL.L.LLLLLLLL.LLLLL.LLLLLLLLL.LLLLLL.LLLLL.LL.LLLLLLLL.LLL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLL.L.LLLL.LLLLLLLLL.LLLLLLLLLLL.LLL.LLLLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLLLL.LLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.L.LLL.LLLLLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLLLL..LLLLLLLLLL.LL.LLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.L.LLLLLLL.LLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLL.LLL.LLLLLL.LLLL.LLLLLL.L.LLL.LLL.LLLLLL
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...........L...L.......L.LL...LL.L.L.L..L..L.L.LL.LLLL.LLL..LLL.L.L..L.L.LL.L..L....LLLLLL...L.....
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LLLL.L.LLLLLLL.LLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLL..L.LLLLL.LLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLL.L.L.LLLL
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LLLLLLLLLL..LLLL.LLLLLLLLL.LLLLLLLLLL.LLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLL.L.LLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLL.LLLLL..LLLLLLLL.LLLLL.LLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLL.
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LL.LLLLLLLLLLLLL.LLLLLLLLL.LLL..LLLLLLLLLLLLLLLL.LLL.L.LL.LLLLL.LLLLLL.LLLL.LLLLLL.LLLL.LLLL.LLL.LL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLL..LLLLLLLLLLLLLL.LLLLL.LLLLLL.LLL.LLLLLLL.LLLLLLL.L.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLL.LLLLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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L...LLLLL.L.L.L.L........L...L...L.LLL...L..LL.LLL.L..LL..........L.LL.LL......L.L.........LLL.LLL.
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LLLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLL..LLLLL.LLLLLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLL.LLLLLL.LLLLLLLLL.LLLL.L.LLLLLL.L..LLLL.LLLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLLLL
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LLLL.L.LLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLL.LLLLLLLLLL.LLLLLL.L.LLLLLLLLLLLLLLLLLL..LLLLLL
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LLLLLL.LLLLLL..L.LLLLLLLLL.L.LL.LLLLLLLLL.LLLLLLLLLL.LLLL..LLLLLLLLLLL.LLLL.LLLL.L.LLLLLLLLLLLLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LL..LLLLL.LLLLL.LLLLLLLLLLLLLL..LLLL.L.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLLLLLLLLL.LLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLL.LLLL.LLLLLLLLLLLLLLLL.LLLLLLLLL.LL.L.LL.LLL.LLLL.LLLLLLLLLLLLLLLL.LLLLLL
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L...LL.L.LL.LL..L.....L...L.L.L.L..LL....LL.L.L......L..L...L..LLL....LL.L.LLLL.L.LL.L..LLL.....L.L
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LLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLL.LL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLL.L.LLLLLLLLLL
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.LLLLL.LLLLLLLLL.LLLLLLLLL.LL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LL.LLLLLL.LLLLLLLLL.LLLLLLLLLLLLLLLLLLLLL.LLLLLLLL.LLLLLLLLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL..LLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLL.LLL.LLLL.LLLLLLLLLLLLL.LLLLLLLL.LL.L.LLLLLLLLLL.LLLL.LLLLLLLLLLLLLLLL.LLLLL.
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.L.......L....L.LL....L..L.......LL..L..L..L..LL..L...L......LLLL.L.......L.L.L...LL.LL.L.L...LLL..
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LLLLLL.L.LLLLLLL.LLLLLLLLLLL.LLLLL..LLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLLLLLLLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LL.LLLLLLLLLLLLL..LLLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLL.L.LL.LLLLLLL.L.LLLLLL.LL..LLLL.LLLLLL.L.LLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLL
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LLLLLL.L.L.LLLLL.LLLLLLLLLLLLLL.L.LLLLLLL.LLLLLLL.LLLLLLL.LLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLL.LLLLL.
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LLLLLL.LLLLLLLLLLL.LL.LLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLLLL.LLL.LLLLLL.LLLL.LLLLL..LLLLLLLLL.LLLLLL
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LLL..LLLLLLLLLLLLLLLLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLLLLLLLLLLLLLL.LLLLLL..LLLLLLLLLLLLLLL
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LLLLLL.L.LLLLLLL.LLLLLLLLL..LLL.LLLLLLLLLLLL.LLLLLLLLLLLL.LLL.LLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLL
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.....LLL..........L.....L..L...LL.....LL...L...L.L....L..L.LL.L.L.LL.L.L.LLL.L.L.L..L.LL.L....LL...
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LLLLL..LLLLLLLLL.LLLLLLLLL.L.LLLLLLL.LLLL.LLLLLLLLLLLLLLLLLL.LL.LLLLLL.LLLL.LLLL.LLLLLLLL.LL.LLLLLL
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L.LLLL.LLLLLLLLL.LL.LLLLLL.LL.L..LLLLLLLL.LLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLL..LLLLL..LLLLLLLL.L.L.LL
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LL.LLLLLLLLLLLLL.LLLLLLLL.LLLLL.LLLLLLLLL.LLLLL.L.LLLLLLL.LLLLL.LLLLLL.LLLL.LLLLL..LLLLLLLLL.LLLLLL
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LLLLL..LLLLLLLLL.LLLLLLLLLLLLLLLLLL.LLLLL.LLLLLL.LLLLLLLLLLLLLL.LLL.LL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LL.LLL.LLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLL.L.LLLLLL.LLLLL.LLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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L.L.....LL........L..L....L.....LLL.L.L.L........L.........L........L..L..L..L.....L....LLL..L..LL.
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L.LLLL.LLL.LLLLLLL.LLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLL..LLLLL.LLLLLLLLLLLLLLLLL..LLLLLLL.L.LLLLLL
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LLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLLLLLLLL.L.LLLLLL.LLLL.LLLLLL.LLLLLLLLLLLLLLLL
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LLLLLL.LLLLLLLLL.LLLLLLLLLL.LLLLLLLLLLLL.LLLLLLLLLLLLLLL...LLLL.LLLLLL.LLLLLLLLLLL.LLLLLLLLL.LLLLLL
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LLLL.L.LL.L.LLLL.LLLLLLLLL.LLLL.LLLLLLLLL.LLLLLL.LLLLLLLL.LLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLL.L.L.LLLL
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LL.L.L.L..L..L..L....L....L.L.LLL.L.LLL.......L..LL.....LLL......L.L.L.L..L.LLL...L.......L........
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LLLLLL.LLLLLLLLL.LLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLL.LLLLLL.LLLL.LLLLLL.LLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLLLL.LL.LLLLLLLLLLLLLLL..LLLL.LLLLLL.LLLLLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLLLLLLL.LLLLLL
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LLLLLL.LLLLLLL.L.L.LLLLLLL.LLLL.LLLLLLLLL.LLLLLLLLLLLL.LL.LLLLL.LLLLLL.LLLL.LLLLLLLLLLLLLLLLLLLLLLL
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LLLLLLLLLLLLLLLL.LLLLLLLLLLLLLL.LLLLLLLLL.LLLLLL.LLLLL..LLLLLLLLLL.LLL.LLLL..LLLLL.LLLLLLL.LL.LLLLL
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LLLLLLLLLLLLLLLL.LLLL.LLLL.LLLLLLL.LLLLLL.LLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLL.LLLLLLLLLLLLLLLLLLLLLLL
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@ -41,6 +41,9 @@
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<None Update="10input.txt">
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<None Update="10input.txt">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</None>
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</None>
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<None Update="11input.txt">
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||||||
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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||||||
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</None>
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||||||
</ItemGroup>
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</ItemGroup>
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||||||
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|
||||||
</Project>
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</Project>
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@ -15,6 +15,7 @@
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Q08.Go();
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Q08.Go();
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Q09.Go();
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Q09.Go();
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Q10.Go();
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Q10.Go();
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Q11.Go();
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System.Diagnostics.Debug.WriteLine($"Total time={(System.DateTime.Now - start).TotalMilliseconds}ms");
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System.Diagnostics.Debug.WriteLine($"Total time={(System.DateTime.Now - start).TotalMilliseconds}ms");
|
||||||
}
|
}
|
||||||
}
|
}
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||||||
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|||||||
280
Q11.cs
Normal file
280
Q11.cs
Normal file
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using System;
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using System.Diagnostics;
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using System.IO;
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namespace _2020
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{
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class Q11
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{
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static SeatState[,] list = null;
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static int numRows = 0;
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static int numCols = 0;
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enum SeatState
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{
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Floor,
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Empty,
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Occupied,
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}
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public static void Go()
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{
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var start = DateTime.Now;
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MakeList();
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Debug.WriteLine($"Q11 MakeList took {(DateTime.Now - start).TotalMilliseconds}ms");
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var p1start = DateTime.Now;
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Part1();
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||||||
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Debug.WriteLine($"Q11 part1 took {(DateTime.Now - p1start).TotalMilliseconds}ms");
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var p2start = DateTime.Now;
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Part2();
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Debug.WriteLine($"Q11 part2 took {(DateTime.Now - p2start).TotalMilliseconds}ms");
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Debug.WriteLine($"Q11 took {(DateTime.Now - start).TotalMilliseconds}ms");
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}
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static void MakeList()
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{
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var lines = File.ReadAllLines("11input.txt");
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numRows = lines.Length;
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numCols = lines[0].Length;
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||||||
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list = new SeatState[numRows, numCols];
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for (int i = 0; i < numRows; i++)
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||||||
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{
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||||||
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for (int j = 0; j < numCols; j++)
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||||||
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{
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||||||
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list[i, j] = lines[i][j] == '.' ? SeatState.Floor : SeatState.Empty;
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||||||
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}
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||||||
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}
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||||||
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}
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||||||
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|
||||||
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static int GetNumOccupiedAdjacent(SeatState[,] seatList, int row, int col)
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{
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||||||
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int numOccupied = 0;
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||||||
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if (row - 1 >= 0)
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||||||
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{
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||||||
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if (col - 1 >= 0 && seatList[row - 1, col - 1] == SeatState.Occupied)
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||||||
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{
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||||||
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numOccupied++;
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||||||
|
}
|
||||||
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if (seatList[row - 1, col] == SeatState.Occupied)
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||||||
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{
|
||||||
|
numOccupied++;
|
||||||
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}
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||||||
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if (col + 1 < numCols && seatList[row - 1, col + 1] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
}
|
||||||
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|
||||||
|
if (col - 1 >= 0 && seatList[row, col - 1] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
if (col + 1 < numCols && seatList[row, col + 1] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (row + 1 < numRows)
|
||||||
|
{
|
||||||
|
if (col - 1 >= 0 && seatList[row + 1, col - 1] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
if (seatList[row + 1, col] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
if (col + 1 < numCols && seatList[row + 1, col + 1] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return numOccupied;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int GetNumOccupiedLOS(SeatState[,] seatList, int row, int col)
|
||||||
|
{
|
||||||
|
int numOccupied = 0;
|
||||||
|
|
||||||
|
Func<int, int, bool> checkSeat = (checkRow, checkCol) =>
|
||||||
|
{
|
||||||
|
if (seatList[checkRow, checkCol] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
numOccupied++;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
if (seatList[checkRow, checkCol] == SeatState.Empty)
|
||||||
|
{
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
|
};
|
||||||
|
|
||||||
|
// ul
|
||||||
|
for (int checkRow = row - 1, checkCol = col - 1; checkRow >= 0 && checkCol >= 0; checkRow--, checkCol--)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// u
|
||||||
|
for (int checkRow = row - 1, checkCol = col; checkRow >= 0; checkRow--)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// ur
|
||||||
|
for (int checkRow = row - 1, checkCol = col + 1; checkRow >= 0 && checkCol < numCols; checkRow--, checkCol++)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// l
|
||||||
|
for (int checkRow = row, checkCol = col - 1; checkCol >= 0; checkCol--)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// r
|
||||||
|
for (int checkRow = row, checkCol = col + 1; checkCol < numCols; checkCol++)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// dl
|
||||||
|
for (int checkRow = row + 1, checkCol = col - 1; checkRow < numRows && checkCol >= 0; checkRow++, checkCol--)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// d
|
||||||
|
for (int checkRow = row + 1, checkCol = col; checkRow < numRows; checkRow++)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// dr
|
||||||
|
for (int checkRow = row + 1, checkCol = col + 1; checkRow < numRows && checkCol < numCols; checkRow++, checkCol++)
|
||||||
|
{
|
||||||
|
if (checkSeat(checkRow, checkCol))
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return numOccupied;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void Part1()
|
||||||
|
{
|
||||||
|
SeatState[,] currState = new SeatState[numRows, numCols];
|
||||||
|
SeatState[,] nextState = new SeatState[numRows, numCols];
|
||||||
|
Array.Copy(list, currState, numRows * numCols);
|
||||||
|
|
||||||
|
int rounds = 0;
|
||||||
|
int totalNumOccupied = 0;
|
||||||
|
for (int numChanges = 0; rounds == 0 || numChanges != 0; rounds++)
|
||||||
|
{
|
||||||
|
Array.Copy(currState, nextState, numRows * numCols);
|
||||||
|
|
||||||
|
totalNumOccupied = 0;
|
||||||
|
numChanges = 0;
|
||||||
|
|
||||||
|
for (int i = 0; i < numRows; i++)
|
||||||
|
{
|
||||||
|
for (int j = 0; j < numCols; j++)
|
||||||
|
{
|
||||||
|
var numOccupied = GetNumOccupiedAdjacent(currState, i, j);
|
||||||
|
if (currState[i, j] == SeatState.Empty && numOccupied == 0)
|
||||||
|
{
|
||||||
|
nextState[i, j] = SeatState.Occupied;
|
||||||
|
numChanges++;
|
||||||
|
}
|
||||||
|
else if (currState[i, j] == SeatState.Occupied && numOccupied >= 4)
|
||||||
|
{
|
||||||
|
nextState[i, j] = SeatState.Empty;
|
||||||
|
numChanges++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nextState[i, j] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
totalNumOccupied++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Array.Copy(nextState, currState, numRows * numCols);
|
||||||
|
}
|
||||||
|
|
||||||
|
Debug.WriteLine($"Q11Part1: stabilized after {rounds - 1} rounds, total occupied={totalNumOccupied}");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void Part2()
|
||||||
|
{
|
||||||
|
SeatState[,] currState = new SeatState[numRows, numCols];
|
||||||
|
SeatState[,] nextState = new SeatState[numRows, numCols];
|
||||||
|
Array.Copy(list, currState, numRows * numCols);
|
||||||
|
|
||||||
|
int rounds = 0;
|
||||||
|
int totalNumOccupied = 0;
|
||||||
|
for (int numChanges = 0; rounds == 0 || numChanges != 0; rounds++)
|
||||||
|
{
|
||||||
|
Array.Copy(currState, nextState, numRows * numCols);
|
||||||
|
|
||||||
|
totalNumOccupied = 0;
|
||||||
|
numChanges = 0;
|
||||||
|
|
||||||
|
for (int i = 0; i < numRows; i++)
|
||||||
|
{
|
||||||
|
for (int j = 0; j < numCols; j++)
|
||||||
|
{
|
||||||
|
var numOccupied = GetNumOccupiedLOS(currState, i, j);
|
||||||
|
if (currState[i, j] == SeatState.Empty && numOccupied == 0)
|
||||||
|
{
|
||||||
|
nextState[i, j] = SeatState.Occupied;
|
||||||
|
numChanges++;
|
||||||
|
}
|
||||||
|
else if (currState[i, j] == SeatState.Occupied && numOccupied >= 5)
|
||||||
|
{
|
||||||
|
nextState[i, j] = SeatState.Empty;
|
||||||
|
numChanges++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (nextState[i, j] == SeatState.Occupied)
|
||||||
|
{
|
||||||
|
totalNumOccupied++;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Array.Copy(nextState, currState, numRows * numCols);
|
||||||
|
}
|
||||||
|
|
||||||
|
Debug.WriteLine($"Q11Part2: stabilized after {rounds - 1} rounds, total occupied={totalNumOccupied}");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user