#include <stdio.h> int main() { int n = 0; int arr[1000] = { 0 }; //输入 scanf("%d", &n); for (int i = 0; i < n; i++) { scanf("%d", &arr[i]); } //去重 for (int i = 0; i < n; i++) { for (int j = i + 1; j < n; j++) { if (arr[i] == arr[j]) { //删除 for (int k = j; k < n - 1; k++) { arr[k] = arr[k + 1]; } n--; j--; } } } //输出 for (int i = 0; i < n; i++) { printf("%d ", arr[i]); } return 0; }