Add solution WITHOUT PARSER for day 5

2022/day05/code.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+
+import sys, re
+from copy import deepcopy
+
+
+def parse(line):
+    groups = re.compile(r"move (?P<num>\d+) from (?P<from>\d+) to (?P<to>\d+)").search(line)
+    return groups
+
+
+if __name__ == '__main__':
+    lines = open(sys.argv[1]).read()
+    start, moves = lines.split("\n\n")
+    moves = [tuple(map(int,parse(m).groups())) for m in moves.split('\n')[:-1]]
+    start = [['ignore'], ['Q','H','C','T','N','S','V','B'], ['G','B','D','W'], ['B','Q','S','T','R','W','F'],
+            ['N','D','J','Z','S','W','G','L'],['F','V','D','P','M'],['J','W','F'],
+            list('VJBQNL'),list('NSQJCRTG'),list('MDWCQSJ')]
+    start2 = deepcopy(start)
+    for (num, fro, to) in moves:
+        for _ in range(0,num):
+            e = start[fro].pop(0)
+            start[to].insert(0,e)
+
+    for (num, fro, to) in moves:
+        start2[to] = start2[fro][:num] + start2[to]
+        start2[fro] = start2[fro][num:]
+
+    # challenge 1
+    res1 = ''.join([st[0] for st in start[1:]])
+    print("challenge 1:" + "\n" +  res1 + "\n")
+
+    # challenge 2
+    res2 = ''.join([st[0] for st in start2[1:]])
+    print("challenge 2:" + "\n" +  res2 + "\n")
+