18 lines
325 B
C++
18 lines
325 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int n;
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cin >> n;
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float money = 0;
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for (int i = 0; i < n; ++i) {
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int count;
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cin >> count;
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money += count / 70 * 0.1;
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if (count % 70 > 0) money += 0.1;
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}
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cout << money << endl;
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return 0;
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}
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