Optimize day 1 a little

d01.py

@@ -1,31 +1,26 @@
 #!/usr/bin/env python3
 
-# 99920044 instead of 2020 for bigboy
-# p1: 134283487359328
-# p2: 1655132197274893972
+# ./d01.py d01_bigboy.txt 99920044
+# 1939883877222459
+# 32625808479480099854130
 
 from sys import argv
 
-i = [int(x) for x in open(argv[1])]
+t = 2020
+if len(argv) > 2:
+    t = int(argv[2])
 
-for x in i:
+i = set(int(x) for x in open(argv[1]))
+
+def f(x):
     for y in i:
-        if x+y == 2020:
-            print(x*y)
-            break
-    else:
-        continue
-    break
+        if x-y in i:
+            return y*(x-y)
+    return None
+print(f(t))
 
 for x in i:
-    for y in i:
-        for z in i:
-            if x+y+z == 2020:
-                print(x*y*z)
-                break
-        else:
-            continue
-        break
-    else:
-        continue
+    y = f(t-x)
+    if y:
+        print(x*y)
         break