题解 | #序列中整数去重#

#include <stdio.h>

int main()
{
    int n = 0;
    scanf("%d", &n);
    int arr1[1000];
    int arr2[1000];
    int i = 0;
    for (i = 0; i < n; i++)
    {
        scanf("%d ", &arr1[i]);
    }

    for (i = 0; i < n; i++)
    {
        if(i==n-1)
        {
            arr2[i]=arr1[i];
        }
        int flag = 0;
        int j = 0;
        for (j = i + 1; j < n; j++)
        {
            if (arr1[i] != arr1[j])
            {
                flag = 1;
            }
            else
            {
                arr1[j]=0;
            }
        }
        if (flag == 1)
        {
            arr2[i] = arr1[i];
        }
    }
    for (i = 0; i < n; i++)
    {
        if(arr2[i]!=0)
        {
            printf("%d ", arr2[i]);
        }
    }
    return 0;
}