Question

Int p= 3 p*=p++ + --p + ++p - pp--
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Answer 1

Answer:

Answer is 72.

Explanation:

Since expressions in C are evaluated based on precedence and associativity[1].

According to that, ++(Pre-increment) has higher precedence than +(Addition), also +=(Assignment by sum) has associativity of right to left, that means first expression on right side of += will be evaluated!

We also know that pre-increment will first increment the value of variable and then evaluate it in expression, hence solving above expression step by step will result in:

1> p += p + ++p;

2> p += p + ++23;

3> p += p + 24;

4> p += (24 + 24);

5> p = p + (24 + 24);

6> p = 24 + 24 + 24;

7> p = 72;

Hence the output of above statement will be 72.

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Answer 2

Answer:

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