Question

Choose the correct description for control string %-+7.2f.

(a) – means display the sign, + means left justify, 7 specifies the width and 2 specifies the precision

(b) – means left justify, + means display the sign, 7 specifies the width and 2 specifies the precision

(c) – means display the sign, + means left justify, 7 specifies the precision and 2 specifies the width

(d) – means left justify, + means display the sign, 7 specifies the precision and 2 specifies the width

This question was posed to me during a job interview.

My enquiry is from printf topic in division Input and Output in C of C

Answer 1

Right choice is (b) – means left justify, + means display the sign, 7 specifies the width and 2 specifies the precision

Best explanation: The given control string %-+7.2f means that – is for left justify, + to display sign, 7 specifies the precision and 2 specifies the width.