Printing the correct number of decimal points with cout

Question

I have a list of float values and I want to print them with cout with 2 decimal places.

For example:

10.900  should be prin         


        

Answer 1

setprecision(n) applies to the entire number, not the fractional part. You need to use the fixed-point format to make it apply to the fractional part: setiosflags(ios::fixed)