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YauhenMardan

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May 5th, 2018
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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. int n;
  9. cin>>n;
  10. vector<int> a(n);
  11.  
  12. for(int i=0; i<n; i++)
  13. {
  14. cin>>a[i];
  15. }
  16. a.resize( distance(a.begin(),unique(a.begin(), a.end())) );
  17. cout<<n-a.size();
  18. return 0;
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