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- #include <stdio.h>
- int main()
- {
- int n, arr[100], demarr[100] = {}, kt = 0;
- scanf("%d", &n);
- for (int i = 0; i < n; i++) {
- scanf("%d", &arr[i]);
- demarr[arr[i]]++;
- }
- for (int i = 0; i < n; i++) {
- if (demarr[arr[i]] == 1) {
- printf("%d ", arr[i]);
- kt = 1;
- demarr[arr[i]] = 0;
- }
- }
- printf(kt ? "" : "0");
- return 0;
- }
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