02

02/02-1.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+file = "./input.txt"
+#file = "./ex.txt"
+from time import time
+start_time = time()
+
+keypad=[[1,2,3],[4,5,6],[7,8,9]]
+
+def read_file(f:str) -> list:
+    out = []
+    input_file = open(f, "r")
+    for line in input_file:
+        line = line.strip()
+        if line == "":
+            continue
+        else:
+            line = line.strip()
+            out.append(line)
+    input_file.close()
+    return out
+
+
+if __name__ == "__main__":
+    x, y = 1, 1
+    part2 = True
+    input_list = read_file(file)
+    print("Solution: ",end="")
+    for elem in input_list:
+        for b in elem:
+            if b == "R" and y < 2:
+                y += 1
+            elif b == "L" and y > 0:
+                y -= 1
+            elif b == "U" and x > 0:
+                x -= 1
+            elif b == "D" and x < 2:
+                x += 1
+        print(keypad[x][y],end="")
+    print()
+
+    # print(input_list)
+    print(f'Runtime: {time()-start_time:.2f} s')

02/02-2.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+file = "./input.txt"
+#file = "./ex.txt"
+from time import time
+start_time = time()
+
+keypad=[
+    ["-","-","1","-","-"],
+    ["-","2","3","4","-"],
+    ["5","6","7","8","9"],
+    ["-","A","B","C","-"],
+    ["-","-","D","-","-"]]
+
+def read_file(f:str) -> list:
+    out = []
+    input_file = open(f, "r")
+    for line in input_file:
+        line = line.strip()
+        if line == "":
+            continue
+        else:
+            line = line.strip()
+            out.append(line)
+    input_file.close()
+    return out
+
+def index_exists(array, i, j):
+    try:
+        if i>=0 and j>=0 and array[i][j] != "-":
+            return True
+        else:
+            return False
+    except IndexError:
+        return False
+
+if __name__ == "__main__":
+    x, y = 2, 0
+    part2 = True
+    input_list = read_file(file)
+    print("Solution: ",end="")
+    for elem in input_list:
+        for b in elem:
+            if b == "R" and index_exists(keypad, x, y+1):
+                y += 1
+            elif b == "L" and index_exists(keypad, x, y-1):
+                y -= 1
+            elif b == "U" and index_exists(keypad, x-1, y):
+                x -= 1
+            elif b == "D" and index_exists(keypad, x+1, y):
+                x += 1
+
+        print(keypad[x][y],end="")
+    print()
+
+    # print(input_list)
+    print(f'Runtime: {time()-start_time:.2f} s')

02/ex.txt

@@ -0,0 +1,4 @@
+ULL
+RRDDD
+LURDL
+UUUUD