day 13

day13.py

@@ -0,0 +1,73 @@
+import sys
+
+check = True
+inpx = []
+inpy = []
+inp2 = []
+
+with open(sys.argv[1]) as f:
+    for i in f.readlines():
+        i = i.strip()
+        if i == '':
+            check = False
+            continue
+        if check:
+            temp1, temp2 = i.split(',', 1)
+            inpx.append(int(temp1))
+            inpy.append(int(temp2))
+        else:
+            i = i.replace('fold along ', '')
+            i = i.strip()
+            temp1, temp2 = i.split('=', 1)
+            inp2.append((temp1, int(temp2)))
+
+maxx = max(inpx)
+maxy = max(inpy)
+
+class grid:
+    def __init__(self, maxx, maxy):
+        self._points = []
+
+        for i in range(maxy + 1):
+            self._points.append(['.'] * (maxx + 1))
+    
+    def mark(self, x, y):
+        self._points[y][x] = '#'
+    
+    def fold(self, axis, loca):
+        if axis == 'y':
+            for i in range(loca + 1, len(self._points)):
+                for t in range(len(self._points[i])):
+                    if self._points[i][t] == '#':
+                        temp = i - loca
+                        self._points[loca -temp][t] = '#'
+            del self._points[loca:len(self._points)]
+        if axis == 'x':
+            for i in range(len(self._points)):
+                for t in range(loca + 1, len(self._points[i])):
+                    if self._points[i][t] == '#':
+                        temp = t - loca
+                        self._points[i][loca - temp] = '#'
+            for f in self._points:
+                del f[loca:len(f)]
+    def count(self):
+        counter = 0
+        for f in self._points:
+            for g in f:
+                if g == '#':
+                    counter += 1
+        return counter
+
+gri = grid(maxx, maxy)
+folds = 0
+
+for i in range(len(inpx)):
+    gri.mark(inpx[i], inpy[i])
+
+for i in inp2:
+    gri.fold(i[0], i[1])
+    folds += 1
+    print('Points after ', folds, 'fold(s):', gri.count())
+
+for i in range(len(gri._points)):
+    print(gri._points[i])

input13.txt

@@ -0,0 +1,812 @@
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+
+fold along x=655
+fold along y=447
+fold along x=327
+fold along y=223
+fold along x=163
+fold along y=111
+fold along x=81
+fold along y=55
+fold along x=40
+fold along y=27
+fold along y=13
+fold along y=6

testdata13.txt

@@ -0,0 +1,21 @@
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+4,1
+0,13
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+3,0
+8,4
+1,10
+2,14
+8,10
+9,0
+
+fold along y=7
+fold along x=5