题解 | 序列中整数去重

#include <stdio.h>

int main() 
{
    int n = 0;
    while (scanf("%d", &n) == 1)
    {
        int arr[n];
        int i = 0;
        for (i = 0; i < n; i++)
            scanf("%d", &arr[i]);
        //判断输出
        int flag = 0;
        int j = 0;
        for (i = 0; i < n; i++)
        {
            for (j = 0; j < i; j++)
            {
                if(arr[i] == arr[j])
                    break;
            }
            if (j == i)
                printf("%d ",arr[i]);

        }
        printf("\n");
    } 
    return 0;
}