Initial commit

flipper.py

@@ -0,0 +1,22 @@
+#!/usr/bin/python
+
+from sys import argv
+
+mem = [{}, {}]
+
+def flip(x, y):
+    if y not in mem[x]:
+        mem[x][y] = 1
+    else:
+        mem[x][y] = 1 - mem[x][y]
+    return mem[x][y]
+
+with open(argv[1]) as f:
+    for line in f.readlines():
+        l = list(map(int, line.split()))
+        if len(l) < 2:
+            continue
+        x = l[0]
+        for i in range(1, len(l)):
+            x = flip(x, l[i])
+        print(x)

test.f

@@ -0,0 +1,4 @@
+0 0
+0 0
+0 0
+0 0