all tasks

Task/Sorting-algorithms-Insertion-sort/Python/sorting-algorithms-insertion-sort-1.py

@@ -0,0 +1,8 @@
+def insertion_sort(l):
+    for i in xrange(1, len(l)):
+        j = i-1
+        key = l[i]
+        while (l[j] > key) and (j >= 0):
+           l[j+1] = l[j]
+           j -= 1
+        l[j+1] = key

Task/Sorting-algorithms-Insertion-sort/Python/sorting-algorithms-insertion-sort-2.py

@@ -0,0 +1,15 @@
+def insertion_sort_bin(seq):
+    for i in range(1, len(seq)):
+        key = seq[i]
+        # invariant: ``seq[:i]`` is sorted
+        # find the least `low' such that ``seq[low]`` is not less then `key'.
+        #   Binary search in sorted sequence ``seq[low:up]``:
+        low, up = 0, i
+        while up > low:
+            middle = (low + up) // 2
+            if seq[middle] < key:
+                low = middle + 1
+            else:
+                up = middle
+        # insert key at position ``low``
+        seq[:] = seq[:low] + [key] + seq[low:i] + seq[i + 1:]

Task/Sorting-algorithms-Insertion-sort/Python/sorting-algorithms-insertion-sort-3.py

@@ -0,0 +1,4 @@
+import bisect
+def insertion_sort_bin(seq):
+    for i in range(1, len(seq)):
+        bisect.insort(seq, seq.pop(i), 0, i)