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#include <bits/stdc++.h>
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using namespace std;
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int k, ans;
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int main() {
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cin >> k;
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for (double Sn = 0; Sn <= k; ans++, Sn += 1.0 / ans)
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;
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//for (double Sn = 0; Sn <= k; Sn += 1.0 / ans) ans++;
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cout << ans;
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return 0;
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} |
