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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	int n, r, sum = 0;
  8. 	double S;
  9. 	cin >> n >> r;
  10. 	int *x = new int[n];
  11. 	for (int i = 0; i < n; i++) cin >> x[i];
  12. 	for (int i = 0; i < n; i++) sum += x[i];
  13. 	S = M_PI * r * r;
  14. 	for (int i = 0; i < n; i++) cout << fixed << setprecision(9) << (S / sum) * x[i] << endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 15232KB
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stdin
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5 9
4 16 8 20 11
stdout
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17.252135928
69.008543713
34.504271856
86.260679641
47.443373803
https://ideone.com/IGePp0
[2501] Круговая диаграмма
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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