25 lines
No EOL
446 B
C++
25 lines
No EOL
446 B
C++
// ac_4_12.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 ak(double x, int k) {
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return sqrt(x*x + pow(sin(k*M_PI_4), 2));
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}
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double sum(double x, int N) {
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double out = 0;
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for (int k = 1; k <= N; k++) {
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out += ak(x, k);
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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 x;
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int N;
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cout << "x, N >>>";
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cin >> x >> N;
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cout << "S= " << sum(x, N) << endl;
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} |