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What will be the output of the following code?
#include <iostream>
using namespace std;
int square(int x) {
    return x * x;
}
int main() {
    cout << square(square(2));
    return 0;
}
  • a)
    4
  • b)
    8
  • c)
    16
  • d)
    64
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What will be the output of the following code?#include <iostream>...
The square function squares the input value. square(2) returns 4, and then square(4) returns 16.
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What will be the output of the following code?#include <iostream>using namespace std;int square(int x) { return x * x;}int main() { cout << square(square(2)); return 0;}a)4b)8c)16d)64Correct answer is option 'C'. Can you explain this answer?
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