try math
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Tyrel Souza
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1d208febef
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31
2022/full/day15.txt
Normal file
31
2022/full/day15.txt
Normal file
@ -0,0 +1,31 @@
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Sensor at x=3859432, y=2304903: closest beacon is at x=3677247, y=3140958
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Sensor at x=2488890, y=2695345: closest beacon is at x=1934788, y=2667279
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Sensor at x=3901948, y=701878: closest beacon is at x=4095477, y=368031
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Sensor at x=2422190, y=1775708: closest beacon is at x=1765036, y=2000000
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Sensor at x=2703846, y=3282799: closest beacon is at x=2121069, y=3230302
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Sensor at x=172003, y=2579074: closest beacon is at x=-77667, y=3197309
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Sensor at x=1813149, y=1311283: closest beacon is at x=1765036, y=2000000
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Sensor at x=1704453, y=2468117: closest beacon is at x=1934788, y=2667279
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Sensor at x=1927725, y=2976002: closest beacon is at x=1934788, y=2667279
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Sensor at x=3176646, y=1254463: closest beacon is at x=2946873, y=2167634
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Sensor at x=2149510, y=3722117: closest beacon is at x=2121069, y=3230302
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Sensor at x=3804434, y=251015: closest beacon is at x=4095477, y=368031
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Sensor at x=2613561, y=3932220: closest beacon is at x=2121069, y=3230302
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Sensor at x=3997794, y=3291220: closest beacon is at x=3677247, y=3140958
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Sensor at x=98328, y=3675176: closest beacon is at x=-77667, y=3197309
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Sensor at x=2006541, y=2259601: closest beacon is at x=1934788, y=2667279
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Sensor at x=663904, y=122919: closest beacon is at x=1618552, y=-433244
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Sensor at x=1116472, y=3349728: closest beacon is at x=2121069, y=3230302
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Sensor at x=2810797, y=2300748: closest beacon is at x=2946873, y=2167634
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Sensor at x=1760767, y=2024355: closest beacon is at x=1765036, y=2000000
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Sensor at x=3098487, y=2529092: closest beacon is at x=2946873, y=2167634
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Sensor at x=1716839, y=634872: closest beacon is at x=1618552, y=-433244
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Sensor at x=9323, y=979154: closest beacon is at x=-245599, y=778791
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Sensor at x=1737623, y=2032367: closest beacon is at x=1765036, y=2000000
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Sensor at x=26695, y=3049071: closest beacon is at x=-77667, y=3197309
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Sensor at x=3691492, y=3766350: closest beacon is at x=3677247, y=3140958
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Sensor at x=730556, y=1657010: closest beacon is at x=1765036, y=2000000
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Sensor at x=506169, y=3958647: closest beacon is at x=-77667, y=3197309
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Sensor at x=2728744, y=23398: closest beacon is at x=1618552, y=-433244
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Sensor at x=3215227, y=3077078: closest beacon is at x=3677247, y=3140958
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Sensor at x=2209379, y=3030851: closest beacon is at x=2121069, y=3230302
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@ -6,9 +6,6 @@ from scanf import scanf
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from dataclasses import dataclass
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from scipy.spatial.distance import cityblock
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def manhattan(a, b):
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return abs(b[0] - a[0]) + abs(b[1] - a[1])
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@dataclass
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class Sensor:
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sX: int
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@ -16,28 +13,57 @@ class Sensor:
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bX: int
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bY: int
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oX: int
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oY: int
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@property
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def s(self):
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return (self.sY, self.sX)
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return (self.oY+self.sY, self.oX+self.sX)
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@property
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def b(self):
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return (self.bY, self.bX)
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return (self.oY+self.bY, self.oX+self.bX)
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@property
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def distance(self):
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a,b = zip(self.s, self.b)
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return cityblock(a, b)
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def distance_to(self, y,x):
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def distance_to(self, y, x):
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a,b = zip(self.s, (y,x))
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return cityblock(a, b)
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def on_line(self, y):
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print(self.s)
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midpoint = (y,self.s[1])
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d = self.distance_to(*midpoint)
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if d > self.distance:
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print()
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return []
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start = (y, midpoint[1] - abs(self.distance-d))
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end = (y, midpoint[1] + abs(self.distance-d))
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assert self.distance_to(*start) == self.distance
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print(self.distance_to(*start),'=',start[1],midpoint[1],end[1])
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print(self.distance_to(*end))
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print()
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for x in range(start[1]+1, 9999):
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d = self.distance_to(y, x)
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print(x, d)
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if d == self.distance:
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print("X should be:", x)
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break
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print()
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return list(range(start[1],end[1]))
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#@shared.profile
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def part1(rows):
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CHECK_ROW = 10
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CHECK_ROW = 2000000
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sensors = []
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sensor_points = []
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beacon_points = []
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@ -49,29 +75,58 @@ def part1(rows):
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xSet.add(bx)
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ySet.add(y)
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ySet.add(by)
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sensors.append(Sensor(sX=x,sY=y,bX=bx,bY=by))
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sensors.append(Sensor(sX=x,sY=y,bX=bx,bY=by,oY=0, oX=0))
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minX, maxX = min(xSet),max(xSet)
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minY, maxY = min(ySet),max(ySet)
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offsetX = 0
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offsetY = 0
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if minX < 0 or minY < 0:
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o = max(abs(minX), abs(minY))
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offsetX = o
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offsetY = o
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for sensor in sensors:
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sensor_points.append(sensor.s)
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sensor.oY = offsetY
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sensor.oX = offsetX
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beacon_points.append(sensor.b)
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CHECK_ROW = 10 + offsetY
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#CHECK_ROW = 2000000 + offsetY
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print(beacon_points)
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print("")
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ineligible = set()
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for x in range(minX,maxX):
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point = (CHECK_ROW, x)
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if x % 10000 == 0:
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print(point)
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if point in beacon_points:
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for y,x in beacon_points:
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if y == CHECK_ROW:
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ineligible.add(x)
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mx = matrix.matrix_of_size(maxX+offsetX+1, maxY+offsetY+1)
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for s in sensors:
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coll = s.on_line(CHECK_ROW)
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ineligible.update(coll)
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#print(coll)
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for i in list(ineligible):
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if i < 0:
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continue
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if point in sensor_points:
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if i > maxX+offsetX:
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continue
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for s in sensors:
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d = s.distance_to(*point)
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if d <= s.distance:
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ineligible.add(point)
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pprint(ineligible)
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mx[CHECK_ROW][i] = "#"
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for s in sensors:
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mx[s.s[0]][s.s[1]] = "S"
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mx[s.b[0]][s.b[1]] = "B"
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#print(matrix.ppmx(mx, pad=False, space=False))
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print(" 1 1 2 2")
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print(" 0 5 0 5 0 5")
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matrix.view_matrix(mx, 11,0, 13, 30)
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print("")
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print("####B######################")
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print(ineligible)
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print(len(ineligible))
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# mx[sensor.sY][sensor.sX] = "S"
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# mx[sensor.bY][sensor.bX] = "B"
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@ -304,8 +304,6 @@ def ppmx(*matrices, pad=True, space=True, zero="."):
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return "\n".join(out)
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def view_matrix(matrix, y1,x1, y2,x2):
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print(y1,y2)
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print(x1,x2)
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lines = ppmx(matrix, pad=0,space=0).split("\n")
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for line in lines[y1:y2+1]:
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print(line[x1:x2])
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14
2022/samples/day15.txt
Normal file
14
2022/samples/day15.txt
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Sensor at x=2, y=18: closest beacon is at x=-2, y=15
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Sensor at x=9, y=16: closest beacon is at x=10, y=16
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Sensor at x=13, y=2: closest beacon is at x=15, y=3
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Sensor at x=12, y=14: closest beacon is at x=10, y=16
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Sensor at x=10, y=20: closest beacon is at x=10, y=16
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Sensor at x=14, y=17: closest beacon is at x=10, y=16
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Sensor at x=8, y=7: closest beacon is at x=2, y=10
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Sensor at x=2, y=0: closest beacon is at x=2, y=10
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Sensor at x=0, y=11: closest beacon is at x=2, y=10
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Sensor at x=20, y=14: closest beacon is at x=25, y=17
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Sensor at x=17, y=20: closest beacon is at x=21, y=22
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Sensor at x=16, y=7: closest beacon is at x=15, y=3
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Sensor at x=14, y=3: closest beacon is at x=15, y=3
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Sensor at x=20, y=1: closest beacon is at x=15, y=3
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