rename stuff

2021/code/AoC25.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+
+import sys
+from copy import deepcopy
+
+def cprint(cucs):
+    for l in cucs:
+        print(''.join(l))
+    print('\n')
+
+def step(cucs):
+    nc = deepcopy(cucs)
+    for y,l in enumerate(cucs):
+        for x,c in enumerate(l):
+            if c == '>':
+                if cucs[y][(x+1)%len(l)] == '.':
+                    nc[y][x] = '.'
+                    nc[y][(x+1)%len(l)] = '>'
+    cucs = deepcopy(nc)
+    for y,l in enumerate(cucs):
+        for x,c in enumerate(l):
+            if c == 'v':
+                if cucs[(y+1)%len(cucs)][x] == '.':
+                    nc[y][x] = '.'
+                    nc[(y+1)%len(cucs)][x] = 'v'
+    return nc
+
+if __name__ == '__main__':
+    cucs = [list(line.strip('\n')) for line in open(sys.argv[1])]
+
+    # challenge 1
+    nc = []
+    i = 0
+    while nc != cucs:
+        print(i)
+        i += 1
+        cprint(nc)
+        cucs = deepcopy(nc) if nc != [] else cucs
+        nc = step(cucs)
+
+    res1 = str(i)
+    print("challenge 1:" + "\n" +  res1 + "\n")
+
+    # challenge 2
+    res2 = "doesn't exist :)"
+    print("challenge 2:" + "\n" +  res2 + "\n")
+