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- #include <iostream>
- #include <cstdio> // ivedimas, pasikeisi i ifstream
- #include <iomanip>
- using namespace std;
- int main()
- {
- freopen("duom.txt", "r", stdin); // ivedimas, pasikeisi i ifstream
- int mok, kn[31], sum=0;
- cin >> mok; // ivedimas, pasikeisi i ifstream
- for(int i=0; i<mok; i++) cin >> kn[i];
- for(int i=0; i<mok; i++) sum+=kn[i];
- cout << sum << endl << sum/mok << endl << fixed << setprecision(1) << sum/mok/10.0;
- return 0;
- }
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