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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     double a = 1.0;
  8.     double b = 3.0;
  9.     int n = 5;
  10.  
  11.     double dx = (b - a) / n;
  12.     double x = a;
  13.     double s = 0.0;
  14.  
  15.     for (int i = 1; i <= n; i++) {
  16.         s += dx * sin(x);
  17.         x += dx;
  18.     }
  19.  
  20.     cout << "Przyblizona wartosc pola (metoda prostokatow): " << s << endl;
  21.  
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin 
Standard input is empty
stdout 
Przyblizona wartosc pola (metoda prostokatow): 1.64991
https://ideone.com/Y03vE3
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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