The output of the code will be ____. int i=5; printf(“%d %d %d”, i, i++, ++i); in c
Question
The output of the code will be ____.
int i=5;
printf("%d %d %d", i, i++, ++i);
in C
Solution
To understand the output of the given code snippet, we need to analyze the expression being printed in the printf
function.
1. Break Down the Problem
The function printf
is trying to print three integers:
i
: which is initially 5.i++
: post-increment operation, meaning it will use the current value ofi
(5) and then incrementi
by 1.++i
: pre-increment operation, which incrementsi
by 1 first before using its value.
2. Relevant Concepts
- Post-increment (
i++
): Returns the current value ofi
before incrementing. - Pre-increment (
++i
): Increments the value ofi
first, then returns the new value.
3. Analysis and Detail
- The initial value of
i
is 5. - When the statement
printf("%d %d %d", i, i++, ++i);
is executed:- The first item
i
will retrieve the current value ofi
, which is 5. - The second item
i++
will use the current value, which is still 5, and after this,i
becomes 6. - The third item
++i
now retrieves the value ofi
which has been incremented to 6, so++i
will give 7.
- The first item
Thus, putting these together, we have:
- The first value printed is
5
. - The second value printed is
5
(fromi++
). - The third value printed is
7
(after++i
).
4. Verify and Summarize
The values retrieved and printed for each case are:
- First value: 5
- Second value: 5
- Third value: 7
Final Answer
The output of the code will be: 5 5 7.
Similar Questions
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