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The output of the code will be ____. int i=5; printf(“%d %d %d”, i, i++, ++i); ans. 5 5 7 7 6 6 7 6 5 7 6 7

Question

The output of the code will be ____.

int i=5;
printf("%d %d %d", i, i++, ++i);

ans.

  • 5 5 7
  • 7 6 6
  • 7 6 5
  • 7 6 7
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Solution

To determine the output of the provided C code snippet, we need to analyze the expression in the printf statement carefully, taking into consideration the order of evaluation and the behavior of post-increment (i++) and pre-increment (++i).

Step 1: Break Down the Problem

  1. We have an integer variable i initialized to 5.
  2. In the printf statement, we are printing three values: i, i++, and ++i.
  3. We need to evaluate how each of these expressions will contribute to the output, considering the effect of increments on i.

Step 2: Relevant Concepts

  • Post-Increment Operator (i++): Returns the current value and then increments i.
  • Pre-Increment Operator (++i): Increments i first and then returns the new value.

Step 3: Analysis and Detail

  1. Initially, i = 5.
  2. The evaluation of i in printf uses the current value of i, so the first value output will be 5.
  3. The expression i++ will use the current value of i (which is still 5 for this evaluation), and then increment i to 6. Thus, the second value will be 5.
  4. Before evaluating ++i, i is now 6. The expression ++i increments i to 7 and then returns the value 7. Hence, the third value will be 7.

Step 4: Verify and Summarize

Putting these evaluations together, the output of the printf statement will be:

  • First value: 5
  • Second value: 5
  • Third value: 7

Thus, the final output of the code will be:

Final Answer

5 5 7

This problem has been solved

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