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15 lines
217 B
C++
15 lines
217 B
C++
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#include <cmath>
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#include <iostream>
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using std::cin;
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using std::cout;
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using std::endl;
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int t, h, e;
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int main() {
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cin >> t >> h >> e;
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cout << (int)floor(0.2 * t + 0.3 * h + 0.5 * e) << endl;
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return 0;
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}
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