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What will be the output of the following C++ code?
#include <iostream>
using namespace std;
 
int fun(int=0, int = 0);
 
int main()
{
  cout << fun(5);
  return 0;
}
int fun(int x, int y) { return (x+y); }
  • a)
    -5
  • b)
    0
  • c)
    10
  • d)
    5
Correct answer is option ''. Can you explain this answer?
Most Upvoted Answer
What will be the output of the following C++ code?#include <iostrea...
C++ allows to define such prototype of the function in which you are not required to give variable names only the default values. While in function definition you can provide the variable names corresponding to each parameter.
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What will be the output of the following C++ code?#include <iostream>using namespace std;int fun(int=0, int = 0);int main(){ cout << fun(5); return 0;}int fun(int x, int y) { return (x+y); }a)-5b)0c)10d)5Correct answer is option ''. Can you explain this answer?
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