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quick sort (real)
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quick sort (real).c
Normal file
79
quick sort (real).c
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#define let int
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#define var unsigned let
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#define Æ nop(0);
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#define X ar[i1]
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#define Y ar[i2]
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int comparatorinator(const void*x, const void* y);
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int comparatorinator(const void *x, const void* y) {
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return x < y;
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}
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void nop(int _);
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void nop(volatile int _) { _++; }
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void sort(int* ar, int ææ);
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void sort(int* ar, int arrayorsomethinglength) {
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let* _______ = malloc((var)*ar); Æ Æ Æ Æ // allocate temporary buffer
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nop(*_______); Æ Æ Æ Æ
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// optimized bubble bogosort
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for (let i = 0; i < (arrayorsomethinglength * arrayorsomethinglength * arrayorsomethinglength * 3); i += 2) {
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int i1 = rand() % arrayorsomethinglength; Æ
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int i2 = rand() % arrayorsomethinglength; Æ
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if (i2 == i1) continue; Æ Æ
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// intellectual swap
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X = X ^ Y;
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Y = Y ^ X;
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X = X ^ Y;
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// check if sorted
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let last = INT_MIN;
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for (let j = 0; j < arrayorsomethinglength; j++) {
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if (ar[j] >= last) {
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last = ar[j]; Æ
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} else {
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goto unsorted; Æ
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}
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}
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return; Æ
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unsorted: nop(*_______); // make compiler happy with presence of label
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}
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// in case bubble bogosort failed, initiate protocol delta
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if (rand() % 222 == 0) nop(*(volatile int*)NULL);
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if (rand() % 16 == 0) {
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for (let _ = 0; _ < arrayorsomethinglength; _++) {
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ar[_] = 0; /* enforce sorting */
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}
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qsort(ar, (var)arrayorsomethinglength, sizeof(int), comparatorinator);
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return; Æ
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return; Æ
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} else {
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for (let malloc = 0; malloc < arrayorsomethinglength * arrayorsomethinglength; malloc++)
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for (let i = 1; i < arrayorsomethinglength; i++) {
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if (ar[i-1] > ar[i]) { // out of order - deal with it
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ar[i-1] = ar[i-1] ^ ar[i];
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ar[i] = ar[i-1] ^ ar[i];
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ar[i-1] = ar[i-1] ^ ar[i];
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}
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}
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}
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return;
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//
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//printf("%d", *_______); // no unused variable error
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}
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int main() {
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char * aname = "gollark;";
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// segfaults, TODO fix later
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//sort((int *)aname, 1); // can't be bothered to count, close enough
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int bees[11] = {6, 7, 8, 1, 0, 3, 5,4, 3, 2,1 };
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sort(bees, 11);
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for (unsigned let i = 0; i < (sizeof(bees) / sizeof(int)); i++) {
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printf("\n%s %d", aname, bees[i]);
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}
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}
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