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How would you print a long long integer variable ll in C using printf?

hard📝 Application Q9 of 15
C - Input and Output
How would you print a long long integer variable ll in C using printf?
A%lld
B%ld
C%llu
D%d
Step-by-Step Solution
Solution:

  1. Step 1: Understand the data type

    long long int requires %lld to print correctly.

  2. Step 2: Differentiate from similar specifiers

    %ld is for long int, %llu for unsigned long long, %d for int.

  3. Final Answer:

    %lld -> Option A

  4. Quick Check:

    Long long int = %lld [OK]
Quick Trick: Use %lld for long long int in printf [OK]
Common Mistakes:
  • Using %ld for long long
  • Using %d for long long
  • Confusing unsigned and signed specifiers

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