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-rw-r--r--algorithms/impl/selection_sort.py39
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diff --git a/algorithms/impl/selection_sort.py b/algorithms/impl/selection_sort.py
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+# Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is part of the "Sorting algorithms" project.
+# For details, see https://github.com/egor-tensin/sorting-algorithms.
+# Distributed under the MIT License.
+
+import sys
+
+from ..algorithm import SortingAlgorithm
+
+
+def selection_sort(xs):
+ for i in range(len(xs) - 1):
+ min_i = i
+ for j in range(i + 1, len(xs)):
+ if xs[j] < xs[min_i]:
+ min_i = j
+ if min_i != i:
+ xs[i], xs[min_i] = xs[min_i], xs[i]
+ return xs
+
+
+_ALGORITHMS = [
+ SortingAlgorithm('selection_sort', 'Selection sort', selection_sort),
+]
+
+
+def _parse_args(args=None):
+ if args is None:
+ args = sys.argv[1:]
+ return list(map(int, args))
+
+
+def main(args=None):
+ xs = _parse_args(args)
+ print(selection_sort(list(xs)))
+
+
+if __name__ == '__main__':
+ main()