Which format specifier is used to print a signed long?

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  1. %lf
  2. %ld
  3. %sl 
  4. %l

Answer (Detailed Solution Below)

Option 2 : %ld
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The format specifier used to print a signed long in C programming is %ld.

Explanation:
  • %: Marks the beginning of a format specifier

  • l: Is a length modifier that indicates the argument is a long int (or long unsigned int, long double, etc., depending on the following type specifier).

  • d: Is a conversion specifier that indicates a signed decimal integer.

So, %ld correctly specifies a signed long integer.

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