finish 5kyu and rank up to 3 kyu

sdwh · sdwh · commit 7fd30abe0919 · 2015-06-21T16:39:15.000+08:00
diff --git a/[5 kyu]josephus survivor b/[5 kyu]josephus survivor
@@ -0,0 +1,8 @@
+def josephus_survivor(n,k):
+    res = [i for i in range(1,n+1)]
+    current = (k-1) % len(res)
+    
+    while len(res) > 1:
+        res = res[:current] + res[current+1:]
+        current = (current + k - 1) % len(res)
+    return res[0]
