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
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
- We have an integer variable
iinitialized to5. - In the
printfstatement, we are printing three values:i,i++, and++i. - 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 incrementsi. - Pre-Increment Operator (
++i): Incrementsifirst and then returns the new value.
Step 3: Analysis and Detail
- Initially,
i = 5. - The evaluation of
iinprintfuses the current value ofi, so the first value output will be5. - The expression
i++will use the current value ofi(which is still5for this evaluation), and then incrementito6. Thus, the second value will be5. - Before evaluating
++i,iis now6. The expression++iincrementsito7and then returns the value7. Hence, the third value will be7.
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
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