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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. int a[100005];
  6. int main()
  7. {
  8.     int n; cin >> n; 
  9.     for(int i = 0; i < n; ++i)
  10.         cin >> a[i]; 
  11.     int maxi = 0;
  12.     set<int>se;
  13.  
  14.     for(int i = 0; i < n; ++i)
  15.     {
  16.         if(se.find(a[i]) == se.end())
  17.         {
  18.             se.insert(a[i]);
  19.         }
  20.         else 
  21.         {
  22.             maxi = max(maxi, (int)se.size()); 
  23.             se.clear();
  24.             se.insert(a[i]);
  25.         }
  26.     }
  27.     cout << max(maxi, (int)se.size());
  28. }
  29. //Tìm độ dài dãy dài nhất mà trong đoạn đó k giá trị nào trùng nhau
  30.  
Success #stdin #stdout 0s 5280KB
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1
https://ideone.com/p3201r
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

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