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2 Commits

Author SHA1 Message Date
flykhan 0ee0057db0 删除文件 2023-03-24 12:28:35 +08:00
flykhan 31f2353c2f 快速排序 2023-03-24 12:25:42 +08:00
2 changed files with 49 additions and 1 deletions

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#include <iostream>
#include <stdlib.h>
using namespace std;
const int N = 100010;
int q[N];
void quick_sort(int q[], int l, int r)
{
if (l >= r)
return;
int i = l - 1, j = r + 1, x = q[l + r >> 1];
while (i < j)
{
do
i++;
while (q[i] < x);
do
j--;
while (q[j] > x);
if (i < j)
swap(q[i], q[j]);
else
break;
}
quick_sort(q, l, j), quick_sort(q, j + 1, r);
}
int main()
{
int n;
scanf("%d", &n);
for (int i = 0; i < n; i++)
scanf("%d", &q[i]);
quick_sort(q, 0, n - 1);
for (int i = 0; i < n; i++)
printf("%d ", q[i]);
return 0;
}

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包括排序、二分、高精度、前缀和与差分、双指针算法、位运算、离散化、区间合并等内容。