diff options
| author | Richard Qin <richard.qin.001@gmail.com> | 2026-09-15 08:16:43 +0800 |
|---|---|---|
| committer | Richard Qin <richard.qin.001@gmail.com> | 2026-09-15 08:16:43 +0800 |
| commit | 4022e5c95210631e4aceb08eaf9d9071aa5aefc4 (patch) | |
| tree | a5922559836e45fb3459a3d070367912e1035b1a /tests/sysy_lvX/quick_sort.sy | |
| download | rcc-master.tar.gz rcc-master.tar.xz | |
Diffstat (limited to 'tests/sysy_lvX/quick_sort.sy')
| -rwxr-xr-x | tests/sysy_lvX/quick_sort.sy | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tests/sysy_lvX/quick_sort.sy b/tests/sysy_lvX/quick_sort.sy new file mode 100755 index 0000000..c373d95 --- /dev/null +++ b/tests/sysy_lvX/quick_sort.sy @@ -0,0 +1,75 @@ +int arr[100];
+
+int partition(int l, int r)
+{
+ int i;
+ int j;
+ int tmp;
+ i = l + 1;
+ j = l;
+
+ while (i <= r)
+ {
+ if (arr[i] > arr[l])
+ {
+ i = i + 1;
+ }
+ else
+ {
+ tmp = arr[j + 1];
+ arr[j + 1] = arr[i];
+ arr[i] = tmp;
+ i = i + 1;
+ j = j + 1;
+ }
+ }
+ tmp = arr[j];
+ arr[j] = arr[l];
+ arr[l] = tmp;
+ return j;
+}
+
+void _quickSort(int l, int r)
+{
+ int key;
+ if (l >= r)
+ {
+ return;
+ }
+ key = partition( l, r);
+ _quickSort( l, key - 1);
+ _quickSort( key + 1, r);
+}
+
+void quickSort(int n)
+{
+ _quickSort(0, n - 1);
+ return;
+}
+
+void printArray(int n)
+{
+ int i = 0;
+ while (i < n)
+ {
+ putint(arr[i]);
+ putch(32);
+ // printf("%d ", arr[i]);
+ i = i + 1;
+ }
+}
+
+int main()
+{
+ int n;
+ int i = 0;
+ n = getint();
+ while (i < n)
+ {
+ arr[i] = getint();
+ i = i + 1;
+ }
+ quickSort(n);
+ printArray(n);
+ return 0;
+}
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