28 lines
No EOL
525 B
C++
28 lines
No EOL
525 B
C++
// ac_6_20.cpp
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// Горбацевич Андрей
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#include <iostream>
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#include <cmath>
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using namespace std;
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double inline funk(int i) {
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double out = 1;
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for (int k = 1; k <= i; k++) {
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out *= (1 - 1 / sqrt(k + i));
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}
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return out;
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}
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int main() {
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double eps;
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cout << "eps=";
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cin >> eps;
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int i = 0;
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double aip = funk(++i);
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double ai = funk(++i);
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while (abs(ai-aip)>=eps) {
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aip = ai;
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ai = funk(++i);
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}
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cout << "a(i=" << i << ")=" << ai;
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return 0;
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} |