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12 lines
255 B
C++
12 lines
255 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int a;
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int main() {
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cin >> a;
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cout << fixed << setprecision(1) << (a > 150 ? 0.4463 * 150 + (a > 400 ? 0.4663 * 250 + 0.5663 * (a - 400) : 0.4663 * (a - 150)) : 0.4463 * a) << endl;
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return 0;
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}
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