随机生成并排序 C，去同，有序数组合并排序

 #include<iostream>
 #include<stdlib.h>
 #include<time.h>
 using namespace std;

 int main(void)
 {

         int array[];
         int RANGE_MIN = ;
         int RANGE_MAX = ;
         for (int i = ; i < ; i++)
         {
             int rand100 = (((double) rand() /
                 (double) RAND_MAX) * RANGE_MAX + RANGE_MIN);
             cin >> array[i];

         }
         int temp;

         for (int i = ; i < ; i++)
             for (int j = ; j <  - i; j++)
             {
                 if (array[j] > array[j + ])
                 {
                     temp = array[j];
                     array[j] = array[j + ];
                     array[j + ] = temp;
                 }
             }
             for (int i = ; i < ; i++)
                 cout << array[i] << " ";
         system("pause");
 }

 #include<iostream>
 #include<stdlib.h>
 #include<time.h>
 using namespace std;

 int main(void)
 {
     int *arrayflag = new int;
     int array[];
     int RANGE_MIN = ;
     int RANGE_MAX = ;
     for (int i = ; i < ; i++)
     {
         int rand100 = (((double) rand() /
             (double) RAND_MAX) * RANGE_MAX + RANGE_MIN);
         array[i]=rand100;

     }
     int temp;

     for (int i = ; i < ; i++)
         for (int j = ; j <  - i; j++)
         {
             if (array[j] > array[j + ])
             {
                 temp = array[j];
                 array[j] = array[j + ];
                 array[j + ] = temp;
             }
         }
         //for (int i = 0; i < 100; i++)
             //cout << array[i] << " ";
         int i = , left = ;
         while (i < )
             arrayflag[i++] = false; //初始化标志数组

         for (i = ; i < ; i++)//剔除算法
         {
             arrayflag[array[i]] = array[i]; //将出现过的数保存到对应的位置

         }
         for (i = ; i < ; i++) //取出有效数
         {
             if (arrayflag[i] != false)
             {
                 array[left++] = arrayflag[i];
             }

         }
         for (i = ; i < left-; i++)
             cout << array[i] << " ";
         system("pause");
 }

 #include<iostream>
 using namespace std;

 int main()
 {
     int a[] = { , , , ,  }, b[] = { , , , ,  };
     int *c = new int;
     int k=,j=;
     for (int i = ; i < ; i++)
     {
         if (a[j] > b[k])
         {
             c[i] = a[j];
             j--;
         }
         else
         {
             c[i] =b[k];
             k--;
         }
     }
         for (int i = ; i < ; i++)
             cout << c[i] << " ";
 }