return;
录入数据储存在数组a[i]
i++;
left=0;right=i-1;
yes
j--;
else
i != j?
t = a[i];\t\t\t\ta[i] = a[j];\t\t\t\ta[j] = t;
i < j?
no
a[j] >= temp && i < j?
a[i] <= temp && i < j?
打印结果
temp = a[left]; i = left; j = right;
left > right?
开始
结束
