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Diffstat (limited to 'algorithms/impl/selection_sort.py')
-rw-r--r-- | algorithms/impl/selection_sort.py | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/algorithms/impl/selection_sort.py b/algorithms/impl/selection_sort.py new file mode 100644 index 0000000..e9a5a09 --- /dev/null +++ b/algorithms/impl/selection_sort.py @@ -0,0 +1,39 @@ +# 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() |