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34 lines
546 B
C++
34 lines
546 B
C++
/*
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Some stable sorting algorithms
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Copyright 2024 Ahmet Inan <inan@aicodix.de>
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*/
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#pragma once
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template <typename TYPE>
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static void insertion_sort(TYPE *a, int n)
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{
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for (int i = 1, j; i < n; ++i) {
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TYPE t = a[i];
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for (j = i; j > 0 && a[j-1] > t; --j)
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a[j] = a[j-1];
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a[j] = t;
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}
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}
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template <typename TYPE>
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static void insertion_sort(int *p, TYPE *a, int n)
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{
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p[0] = 0;
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for (int i = 1, j; i < n; ++i) {
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TYPE t = a[i];
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for (j = i; j > 0 && a[j-1] > t; --j) {
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a[j] = a[j-1];
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p[j] = p[j-1];
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}
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a[j] = t;
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p[j] = i;
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}
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}
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