26 lines
550 B
C
26 lines
550 B
C
#include "quicksort.h"
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void quicksort(double * array, int length) {
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int head, si = 0, ei = length - 1;
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double temp;
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srand(time(NULL));
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head = rand() % length;
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do {
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while (array[si] < array[head]) ++si;
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while (array[ei] > array[head]) --ei;
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if (si < ei) {
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temp = array[si];
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array[si] = array[ei];
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array[ei] = temp;
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if (si == head || ei == head) head = si == head ? ei++ : si--;
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++si, --ei;
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}
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} while (si < ei);
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if (si > 1) quicksort(array, si);
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if (ei < length - 2) quicksort(&array[head + 1], length - ei - 1);
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}
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