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  1. // B
  2. #include <iostream>
  3. using namespace std;
  4. #include <bits/stdc++.h>
  5.  
  6. int main()
  7. {
  8. // freopen("inp.txt", "r", stdin);
  9. // freopen("out.txt", "w", stdout);
  10.  
  11. int n, m;
  12. cin >> n >> m;
  13. set<int> sett;
  14. int arr[m];
  15. bool reset = false;
  16. string res = "";
  17. for (int i = 0; i < m; i++)
  18. {
  19. cin >> arr[i];
  20. if (arr[i] <= n)
  21. sett.insert(arr[i]);
  22. if (sett.size() == n)
  23. {
  24. reset = true;
  25. res.append("1");
  26. }
  27. else
  28. {
  29. res.append("0");
  30. reset = false;
  31. }
  32. if (reset == true)
  33. {
  34. sett.clear();
  35. }
  36. }
  37. cout << res << "\n";
  38. return 0;
  39. }
Success #stdin #stdout 0.01s 5516KB
stdin
Standard input is empty
stdout
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