mirror of
https://github.com/handsomezhuzhu/2025-yatcpu.git
synced 2026-02-20 20:10:14 +00:00
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
// Copyright 2021 Howard Lau
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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void quicksort(int *arr, int l, int r) {
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if (l >= r) return;
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int pivot = arr[l];
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int i = l, j = r;
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while (i < j) {
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while(arr[j] >= pivot && i < j) --j;
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arr[i] = arr[j];
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while(arr[i] < pivot && i < j) ++i;
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arr[j] = arr[i];
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}
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arr[i] = pivot;
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quicksort(arr, l, i - 1);
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quicksort(arr, i + 1, r);
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}
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int main() {
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int nums[10];
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nums[0] = 6;
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nums[1] = 2;
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nums[2] = 4;
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nums[3] = 5;
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nums[4] = 3;
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nums[5] = 1;
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nums[6] = 0;
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nums[7] = 9;
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nums[8] = 7;
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nums[9] = 8;
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quicksort(nums, 0, 9);
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for (int i = 1; i <= 10; ++i) {
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*(int *)(i * 4) = nums[i - 1];
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}
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} |