Day 2

2019/02a.py

+# Python 3.7
+
+def main(debug):
+    instrs = ""
+    if debug:
+        instrs = "1,1,1,4,99,5,6,0,99"
+    else:
+        with open("02in.txt","r") as file:
+            instrs = file.readline()
+    instrs.strip('\n')
+    ints = [int(x) for x in instrs.split(',')]
+    if not debug:
+        ints[1] = 12
+        ints[2] = 2
+    i = 0
+    while ints[i] != 99:
+        if ints[i] == 1:
+            v = ints[ints[i+1]] + ints[ints[i+2]]
+        if ints[i] == 2:
+            v = ints[ints[i+1]] * ints[ints[i+2]]
+        ints[ints[i+3]] = v
+        i += 4
+    print(ints)
+
+if __name__ == "__main__":
+    main(False)

2019/02b.py

+# Python 3.7
+
+import copy
+
+def main():
+    instrs = ""
+    with open("02in.txt","r") as file:
+        instrs = file.readline()
+    instrs.strip('\n')
+    ints = [int(x) for x in instrs.split(',')]
+    default_ints = copy.deepcopy(ints)
+    for j in range(100):
+        for k in range(100):
+            ints = copy.deepcopy(default_ints)
+            ints[1] = j
+            ints[2] = k
+            i = 0
+            while ints[i] != 99:
+                if ints[i] == 1:
+                    v = ints[ints[i+1]] + ints[ints[i+2]]
+                if ints[i] == 2:
+                    v = ints[ints[i+1]] * ints[ints[i+2]]
+                ints[ints[i+3]] = v
+                i += 4
+            if ints[0] == 19690720:
+                print((100*j) + k)
+                return
+
+if __name__ == "__main__":
+    main()

2019/02in.txt

+1,0,0,3,1,1,2,3,1,3,4,3,1,5,0,3,2,1,6,19,1,19,6,23,2,23,6,27,2,6,27,31,2,13,31,35,1,9,35,39,2,10,39,43,1,6,43,47,1,13,47,51,2,6,51,55,2,55,6,59,1,59,5,63,2,9,63,67,1,5,67,71,2,10,71,75,1,6,75,79,1,79,5,83,2,83,10,87,1,9,87,91,1,5,91,95,1,95,6,99,2,10,99,103,1,5,103,107,1,107,6,111,1,5,111,115,2,115,6,119,1,119,6,123,1,123,10,127,1,127,13,131,1,131,2,135,1,135,5,0,99,2,14,0,0