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[100];
        int RANGE_MIN = 0;
        int RANGE_MAX = 100;
        for (int i = 0; i < 100; i++)
        {
            int rand100 = (((double) rand() /
                (double) RAND_MAX) * RANGE_MAX + RANGE_MIN);
            cin >> array[i];

        }
        int temp;

        for (int i = 0; i < 100; i++)
            for (int j = 0; j < 99 - i; j++)
            {
                if (array[j] > array[j + 1])
                {
                    temp = array[j];
                    array[j] = array[j + 1];
                    array[j + 1] = temp;
                }
            }
            for (int i = 0; i < 100; 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[100];
    int RANGE_MIN = 0;
    int RANGE_MAX = 100;
    for (int i = 0; i < 100; i++)
    {
        int rand100 = (((double) rand() /
            (double) RAND_MAX) * RANGE_MAX + RANGE_MIN);
        array[i]=rand100;

    }
    int temp;

    for (int i = 0; i < 100; i++)
        for (int j = 0; j < 99 - i; j++)
        {
            if (array[j] > array[j + 1])
            {
                temp = array[j];
                array[j] = array[j + 1];
                array[j + 1] = temp;
            }
        }
        //for (int i = 0; i < 100; i++)
            //cout << array[i] << " ";
        int i = 0, left = 0;
        while (i < 100)
            arrayflag[i++] = false; //初始化标志数组

        for (i = 0; i < 100; 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 = 0; i < 100; i++) //取出有效数
        {
            if (arrayflag[i] != false)
            {
                array[left++] = arrayflag[i];
            }

        }
        for (i = 0; i < left-1; i++)
            cout << array[i] << " ";
        system("pause");
}

#include<iostream>
using namespace std;

int main()
{
    int a[5] = { 1, 5, 7, 9, 25 }, b[5] = { 1, 27, 26, 38, 99 };
    int *c = new int;
    int k=4,j=4;
    for (int i = 0; i < 10; i++)
    {
        if (a[j] > b[k])
        {
            c[i] = a[j];
            j--;
        }
        else
        {
            c[i] =b[k];
            k--;
        }
    }
        for (int i = 0; i < 10; i++)
            cout << c[i] << " ";
}