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14 lines
241 B
14 lines
241 B
2 years ago
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#include<bits/stdc++.h>
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using namespace std;
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int main() {
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double v = 7, s, x, l = 0;
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cin >> s >> x;
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while (l < s - x) {
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l += v;
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v *= 0.98;
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}
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if (v * 0.98 <= s + x - l)cout << 'y';
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else cout << 'n';
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}
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