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Day 12 (replace array with dict)

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Sebastian Seedorf
2020-12-12 12:12:01 +01:00
parent 31fe78546e
commit af4e4f012e
2 changed files with 6 additions and 8 deletions
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7
day12/part1.py
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@@ -2,12 +2,11 @@ lines = ((x[0], int(x[1:].strip())) for x in open("input.txt"))
pos = 0 pos = 0
drctn = 1 drctn = 1
targets = [1, 1j, -1, -1j] targets = {"E": 1, "N": 1j, "W": -1, "S": -1j}
target_str = "ENWS"
for cmd, num in lines: for cmd, num in lines:
if cmd in target_str: if cmd in targets:
pos += targets[target_str.index(cmd)] * num pos += targets[cmd] * num
elif cmd in "LR": elif cmd in "LR":
times = (-1 if cmd == "R" else 1) * num / 90 times = (-1 if cmd == "R" else 1) * num / 90
drctn = drctn * 1j ** times drctn = drctn * 1j ** times

7
day12/part2.py
View File

@@ -2,12 +2,11 @@ lines = ((x[0], int(x[1:].strip())) for x in open("input.txt"))
pos = 0 pos = 0
drctn = 10+1j drctn = 10+1j
targets = [1, 1j, -1, -1j] targets = {"E": 1, "N": 1j, "W": -1, "S": -1j}
target_str = "ENWS"
for cmd, num in lines: for cmd, num in lines:
if cmd in target_str: if cmd in targets:
drctn += targets[target_str.index(cmd)] * num drctn += targets[cmd] * num
elif cmd in "LR": elif cmd in "LR":
times = (-1 if cmd == "R" else 1) * num / 90 times = (-1 if cmd == "R" else 1) * num / 90
drctn = drctn * 1j ** times drctn = drctn * 1j ** times