finish extra/dont-get-volunteered

Submitting solution...
Submission: SUCCESSFUL. Completed in: 2 hrs, 56 mins, 6 secs.

README.md

@@ -99,3 +99,6 @@ CFcSBwgCCBoHRhkKU1cGAA4AGU5YQR5THBwNFwoGGAxTQQMQVBUSBg4EAAwQRhUQVBUHFAQTGRpT QQM
 
 ### gearing-up-for-destruction
 * Completed in: 1 hr, 19 mins, 28 secs.
+
+### dont-get-volunteered
+* Completed in: 2 hrs, 56 mins, 6 secs.

extra/dont-get-volunteered/solution.py

@@ -0,0 +1,46 @@
+def solution(src, dest):
+    unvisited = [i for i in range(64)]
+    curr_stage = set([src])
+    moves = 0
+    while dest not in curr_stage:
+        next_stage = set()
+        for curr in curr_stage:
+            next_stage.update(possible_next_position(curr))
+        moves += 1
+        curr_stage = next_stage
+    return moves
+
+def possible_next_position(curr):
+    result = []
+    if curr % 8 >= 1:
+        if curr / 8 >= 2:
+            result += [curr-17]
+        if curr / 8 <= 5:
+            result += [curr+15]
+    if curr % 8 >= 2:
+        if curr / 8 >= 1:
+            result += [curr-10]
+        if curr / 8 <= 6:
+            result += [curr+6]
+    if curr % 8 <= 5:
+        if curr / 8 >= 1:
+            result += [curr-6]
+        if curr / 8 <= 6:
+            result += [curr+10]
+    if curr % 8 <= 6:
+        if curr / 8 >= 2:
+            result += [curr-15]
+        if curr / 8 <= 5:
+            result += [curr+17]
+    return set(result)
+
+
+tests = [
+        ([0, 1], 3),
+        ([19, 36], 1),
+        ([0, 0], 0),
+        ]
+
+for i, o in tests:
+    result = solution(*i)
+    print(i, result == o, result, o)