Data commit

Task/Combinations/Python/combinations-1.py

@@ -0,0 +1,3 @@
+>>> from itertools import combinations
+>>> list(combinations(range(5),3))
+[(0, 1, 2), (0, 1, 3), (0, 1, 4), (0, 2, 3), (0, 2, 4), (0, 3, 4), (1, 2, 3), (1, 2, 4), (1, 3, 4), (2, 3, 4)]

Task/Combinations/Python/combinations-2.py

@@ -0,0 +1,4 @@
+def comb(m, lst):
+    if m == 0: return [[]]
+    return [[x] + suffix for i, x in enumerate(lst)
+            for suffix in comb(m - 1, lst[i + 1:])]

Task/Combinations/Python/combinations-3.py

@@ -0,0 +1,2 @@
+>>> comb(3, range(5))
+[[0, 1, 2], [0, 1, 3], [0, 1, 4], [0, 2, 3], [0, 2, 4], [0, 3, 4], [1, 2, 3], [1, 2, 4], [1, 3, 4], [2, 3, 4]]

Task/Combinations/Python/combinations-4.py

@@ -0,0 +1,6 @@
+def comb(m, s):
+    if m == 0: return [[]]
+    if s == []: return []
+    return [s[:1] + a for a in comb(m-1, s[1:])] + comb(m, s[1:])
+
+print comb(3, range(5))

Task/Combinations/Python/combinations-5.py

@@ -0,0 +1,4 @@
+def comb(m, s):
+    if m == 1: return [[x] for x in s]
+    if m == len(s): return [s]
+    return [s[:1] + a for a in comb(m-1, s[1:])] + comb(m, s[1:])