Just another update

Task/Josephus-problem/Python/josephus-problem-2.py

@@ -0,0 +1,11 @@
+>>>def josephus(n, k):
+        r = 0
+        for i in xrange(1, n+1):
+            r = (r+k)%i
+        return 'Survivor: %d' %r
+
+>>> print(josephus(5, 2))
+Survivor: 2
+>>> print(josephus(41, 3))
+Survivor: 30
+>>>

Task/Josephus-problem/Python/josephus-problem-3.py

@@ -0,0 +1,19 @@
+def josephus(n, k):
+    a = list(range(1, n + 1))
+    a[n - 1] = 0
+    p = 0
+    v = []
+    while a[p] != p:
+        for i in range(k - 2):
+            p = a[p]
+        v.append(a[p])
+        a[p] = a[a[p]]
+        p = a[p]
+    v.append(p)
+    return v
+
+josephus(10, 2)
+[1, 3, 5, 7, 9, 2, 6, 0, 8, 4]
+
+josephus(41, 3)[-1]
+30