顺序表习题（1）-打印非递减数组a与b的升序并集（去除重复元素）

 void Print_Union(SqList a,SqList b)
 {
     int p = , q = ;    //初始化指针
     int flag = -;        //记录上一次打印的元素
     while (p!=a.length&&q!=b.length)
     {
         //a与b均非空时
         if (a.data[p] > b.data[q])
         {
             if (b.data[q] != flag)
                 cout << b.data[q] << endl;
             flag = b.data[q];        //记录当前打印元素
             q++;
             continue;
         }
         if (a.data[p] < b.data[q])
         {
             if (a.data[p] != flag)
                 cout << a.data[p] << endl;
             flag = a.data[p];
             p++;
             continue;
         }
         if (a.data[p] == b.data[q])
         {
             if (a.data[p] == b.data[q])
             {
                 if (a.data[p] != flag)
                     cout << a.data[p] << endl;
                 flag = a.data[p];
                 p++;
                 q++;
                 continue;
             }
         }
     }
     while (p!=a.length)
     {
         //打印a的剩余元素
         if (a.data[p] != flag)
             cout << a.data[p] << endl;
         flag = a.data[p];
         p++;
     }
     while (q != b.length)
     {
         //打印b的剩余元素
         if (b.data[q] != flag)
             cout << b.data[q] << endl;
         flag = b.data[q];
         q++;
     }
 }