//希尔排序
/*#include<iostream>
using namespace std;
int main()
{
int a[10], i, j, temp, gap;
gap = 10 / 2;
for (i = 0; i < 10; i++)
cin >> a[i];
while (gap >= 1)
{
for(i = gap; i < 10; i++)
{
temp = a[i];
for (j = i - gap; j >= 0 && temp < a[j]; j = j - gap)
a[j + gap] = a[j];
a[j + gap] = temp;
}
gap = gap / 2;
}
for (i = 0; i < 10; i++)
cout << a[i] << " ";
return 0;
{
}
}*/