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| 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/functional/median.sy | |
| download | rcc-4022e5c95210631e4aceb08eaf9d9071aa5aefc4.tar.gz rcc-4022e5c95210631e4aceb08eaf9d9071aa5aefc4.tar.xz | |
Diffstat (limited to 'tests/functional/median.sy')
| -rw-r--r-- | tests/functional/median.sy | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tests/functional/median.sy b/tests/functional/median.sy new file mode 100644 index 0000000..6ecd589 --- /dev/null +++ b/tests/functional/median.sy @@ -0,0 +1,54 @@ +int median(int arr[], int N, int i, int j) { + if (i == N / 2 || i == (N + 1) / 2) { + return i; + } + + if (j == N / 2 || j == (N + 1) / 2) { + return j; + } + + int middle = i; + int temp = arr[i]; + + int k = i + 1; + + while (k <= j) { + if (arr[k] < temp) { + if (k == middle + 1) { + arr[middle] = arr[k]; + arr[middle + 1] = temp; + middle = middle + 1; + k = k + 1; + continue; + } + arr[middle] = arr[k]; + arr[k] = arr[middle + 1]; + arr[middle + 1] = temp; + middle = middle + 1; + k = k + 1; + continue; + } + k = k + 1; + } + + if (middle == (N - 1) / 2 || middle == N / 2) { + return middle; + } + if (middle > (N + 1) / 2) { + return median(arr, N, i, middle - 1); + } else { + return median(arr, N, middle + 1, j); + } +} + +int arr[100005]; + +int main() { + int N = getarray(arr); + starttime(); + int med = median(arr, N, 0, N - 1); + stoptime(); + putint(med); + putch(10); + return 0; +} |
