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What is the value of p in the following C++ code?
    #include <iostream>
    using namespace std;
    int main()
    {
        int p;
        bool a = true;
        bool b = false;
        int x = 10;
        int y = 5;
        p = ((x | y) + (a + b));
        cout << p;
        return 0;
    }
  • a)
    0
  • b)
    16
  • c)
    12
  • d)
    2
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the value of p in the following C++ code? #include <iostre...
| means bitwise OR operation so x | y (0101 | 1010) will be evaluated to 1111 which is integer 15 and as a is true and b is false so a+b(1 + 0) = 1. So final value of expression in line #10 will be 15 + 1 = 16.
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Community Answer
What is the value of p in the following C++ code? #include <iostre...

Explanation:

Calculation:
- The code snippet initializes variables a, b, x, and y to certain values.
- It then calculates p using the expression ((x | y) + (a + b)).
- In this expression, the bitwise OR operator '|' is used to combine the values of x and y.
- The result of the OR operation is then added to the sum of the boolean values a and b.
- The final result is stored in the variable p.

Substitute values:
- x = 10
- y = 5
- a = true (equivalent to 1)
- b = false (equivalent to 0)

Calculate:
- (x | y) results in 15 (Bitwise OR of 10 and 5)
- (a + b) results in 1 (Sum of true and false which are equivalent to 1 and 0)

Final calculation:
- p = 15 + 1
- p = 16

Therefore, the value of p in the given C++ code is 16.
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