62 lines
866 B
C++
62 lines
866 B
C++
#include <bits/stdc++.h>
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using namespace std;
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void quick_sort(int *arr, int left, int right) {
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if (left >= right) {
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return;
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}
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int pivot = arr[(left + right) / 2];
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int i = left - 1;
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int j = right + 1;
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while (1) {
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do {
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i++;
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} while (arr[i] < pivot);
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do {
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j--;
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} while (arr[j] > pivot);
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if (i >= j) {
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break;
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}
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int temp = arr[i];
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arr[i] = arr[j];
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arr[j] = temp;
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}
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quick_sort(arr, left, j);
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quick_sort(arr, j + 1, right);
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}
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int main() {
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int n;
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cout << "请输入将要被排序的整数的个数：";
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cin >> n;
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cout << "请输入将要被排序的整数，其间以空格隔开：";
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int arr[n];
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for (int i = 0; i < n; i++) {
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cin >> arr[i];
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}
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quick_sort(arr, 0, n - 1);
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cout << "经过快速排序后的结果是：";
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for (int i = 0; i < n; i++) {
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cout << arr[i] << ' ';
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}
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cout << '\n';
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return 0;
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} |