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  1. #include<stdio.h>
  2. #include<math.h>
  3. #define f(x) sqrt(4-((x)*(x)))
  4. int main(void)
  5. {
  6. float n, i, sab, p, q, o, m, l, h, y,z;
  7. //scanf("%d", &n);
  8. n = 50;
  9. h=1/n;
  10. q=f(0)+f(2);
  11.  for(i = 1; i <= n; i++){
  12.     l=(3*i-2)* h;
  13.     p+=f(l);
  14.  }
  15.  for(i = 1; i <= n; i++){
  16.     m = (3*i-1)*h;
  17.     o+=f(m);
  18.  }
  19.  for(i = 1; i <= n; i++){
  20.     y = (3*i)*h;
  21.     z+=f(m);
  22.  }
  23.  sab= 3*h/8*(q+3*p+3*o+2*z);
  24.  printf("%f", sab);
  25.  return(0);
  26. }
Success #stdin #stdout 0s 5392KB
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Standard input is empty
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-nan
https://ideone.com/iO9qba
language:
C (gcc 8.3)
created:
2 years ago
visibility:
public

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