C language,%d% Difference between 2D%2d%02d

%d It's just a normal output

%2d It's the width of the number 2, Output in right alignment , If the number of data is less than 2 position , Fill in the space on the left

%02d, and %2d almost , Just to the left 0

%.2d Not seen , But from the perspective of implementation effect , and %02d equally

Reprinted from ：c Language ,%d %.2d %2d %02d The difference between _zhaohuappc The column -CSDN Blog _c Language %02d