How to control the number of digits after the decimal point in c++

Question

c++

Answer 1

I don't know about C++ but in C we use %.2f for floating values and%.2lf for double values. 2 here represents no. of digits after decimal.Probably there is a function for this in C++

Answer 2

can you share your code so we can check where is the problem ?

Answer 3

please read this article http://www.cplusplus.com/forum/windows/181991/

Answer 4

please check my simple example for you

https://code.sololearn.com/cw8FZ6U8pNcF/?ref=app

be sure you added #include <iomanip>

Answer 5

did you include ? #include <iomanip>

Answer 6

yes and it doesn't output any thing for me and the code is correct but with this addition it missed up 😅😅

Answer 7

you put that at the top and you get this error???

Answer 8

doesn't work melik at all for me

Answer 9

error:#include nested too deeply

Answer 10

yes

Answer 11

even your code when I put it in my code blocks it gives me that error

Answer 12

still can't solve this problem and It gives me another error redefinition of int main()

Answer 13

even the simplest code when I put #include<iomanip>