题解 | #序列中整数去重#

#include <stdio.h>

#include <stdio.h>

int main()
{
    int n = 0;
    scanf("%d", &n);
    int arr1[1000] = { 0 };
    int arr2[1000] = { 0 };
    int i = 0;
    int j = 0;
    int m = 0;
    int count = 0;
    for (i = 0; i < n; i++)
    {
        scanf("%d", &arr1[i]);
    }
    for (i = n - 1; i >= 0; i--)
    {
        int num = 0;
        for (j = i - 1; j >= 0; j--)
        {
            if (arr1[j] == arr1[i])
            {
                num = 1;
                break;
            }
        }
        if (num == 0)
        {
            count++;
            arr2[m] = arr1[i];
            m++;
        }
    }
    for (m = count - 1; m >= 0; m--)
    {
        printf("%d ", arr2[m]);
    }
    return 0;
}