Why this happens?

Question

When I add floats and get the sum of them, the result is inaccurate.
https://code.sololearn.com/cz0swy0QVg0X/?ref=app

Answer 1

What output did you expect actually?

Answer 2

As I understand it, floating point calculation accuracy is a tricky problem, maybe someone can explain about that better.

Although this may not be a definite solution (nor even work), you can try to use double in place of float.

Answer 3

B.virus
Write this after for loop,
if you mean to truncate after 72.87000
printf("%.5f\n",sum);

Answer 4

U can take double in place of float

Answer 5

I writed printf outside the loop, and the result is 72.87003.

Answer 6

72.87000 is what I expect