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16 lines
187 B
C++
16 lines
187 B
C++
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#include <bits/stdc++.h>
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using namespace std;
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int k, n;
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double s;
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int main() {
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cin >> k;
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while (s <= k) {
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s += 1.00 / ++n;
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}
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cout << n << endl;
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return 0;
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}
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