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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.    int n = 3;
  8.    int a[n];
  9.    int j = 3;
  10.    for( int i=0 ; i<n ; i++ )
  11.    {
  12.        cin >> a[i];
  13.    }
  14.    if( a[0] == a[1] && a[1] == a[2] )
  15.    {
  16.        cout << 1 << endl;
  17.  
  18.    }
  19.    else if( a[0] == a[1] || a[1]==a[2] || a[0]==a[2])
  20.    {
  21.        cout <<2 << endl;
  22.    }
  23.    else
  24.    {
  25.        cout << 3 << endl;
  26.    }
  27.    return 0;
  28. }
Success #stdin #stdout 0s 3344KB
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stdout
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https://ideone.com/EiRs4b
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
secret

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