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Jan 20th, 2017
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C++ 0.42 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. //#include<set>
  3. using namespace std;
  4. int main()
  5. {
  6.     int t,p=0;
  7.     cin>>t;
  8.     while(t--)
  9.     {
  10.         int n;
  11.         set<long long int>s;
  12.         long long int d;
  13.         scanf("%d",&n);
  14.         for(int i=0;i<n;i++)
  15.             {
  16.                 scanf("%lld",&d);
  17.                 s.insert(d);
  18.             }
  19.             cout<<"Case "<<++p<<": "<<s.size()<<endl;
  20.     }
  21.     return 0;
  22. }
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