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  1. #include <stdio.h>
  2.  
  3. int sum(int n){
  4. int i, sum = 0;
  5. i = 1;
  6. while ( i <=n )
  7. {
  8. sum += i;
  9. ++i;
  10. }
  11. return sum;
  12. }
  13.  
  14. float track (int i, int n){
  15. float sum1 = sum(n-i) + sum(i);
  16. return(sum1/(n+1));
  17. }
  18.  
  19. float MeanSeekTime(int n){
  20. int i = 0;
  21. float sum = 0;
  22. while (i<=n){
  23. sum = sum + track(i,n);
  24. i++;
  25. }
  26. sum = sum/(n+1);
  27. return sum;
  28. }
  29.  
  30. int main(void) {
  31. printf("%.2f",MeanSeekTime(199));
  32. return 0;
  33. }
  34.  
  35.  
  36.  
  37.  
Success #stdin #stdout 0s 4448KB
stdin
Standard input is empty
stdout
66.67