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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int n,a[25];
  4. int main() {
  5. while(scanf("%d",&n)){
  6. for(int i=0;i<n;i++){
  7. cin>>a[i];
  8. }
  9. sort(a,a+n);
  10. int len=unique(a,a+n)-a;
  11. for(int i=0;i<len;i++){
  12. cout<<a[i];
  13. }
  14. }
  15. return 0;
  16. }
Time limit exceeded #stdin #stdout 5s 15240KB
stdin
Standard input is empty
stdout
Standard output is empty