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 code, we need to analyze how the variables are evaluated in the printf
statement. The key here is to understand how the post-increment (i++
) and pre-increment (++i
) operators work.
-
Variable Initialization:
int i = 5;
-
Function Call: We look at the
printf
function:printf("%d %d %d", i, i++, ++i);
-
Evaluation Order:
- The arguments in
printf
are evaluated from right to left, but the order of evaluation of the expressions is unspecified in C. However, both post-increment and pre-increment will alter the value ofi
.
- The arguments in
-
Detailed Breakdown:
i
: Initially,i = 5
.i++
: This returns the current value ofi
(which is 5) and then incrementsi
by 1, so after this operation,i
becomes 6.++i
: Sincei
is now 6, this increments it to 7 and returns 7.
-
Final Outcome: The values passed to
printf
, based on the described order:- The value for
i
: 6 (after evaluatingi++
), - The value for
i++
: 5 (before it increments), - The value for
++i
: 7 (after it increments).
- The value for
Based on this interpretation, we find that the printed output will be 7 6 5
.
Final Answer
Thus, the output of the code will be 7 6 5.
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