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- #include <iostream>
- #include <cstdlib>
- #include <ctime>
- using namespace std;
- double pi(unsigned N)
- {
- double x, y;
- unsigned n = 0;
- for(unsigned i = 0; i < N; ++i)
- {
- x = 1.0 * rand() / RAND_MAX;
- y = 1.0 * rand() / RAND_MAX;
- if(x * x + y * y <= 1)
- ++n;
- }
- return 4.0 * n / N;
- }
- int main()
- {
- srand(time(nullptr));
- unsigned N;
- cout << "Podaj liczbe ile punktow ma byc losowanych (im wiecej punktow, tym wyzsza dokladnosc szacowania): ";
- cin >> N;
- cout << "Liczba PI zostala oszacowana na ";
- cout << pi(N);
- return 0;
- }
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