We have already covered C++ Arrays questions in the last set of MCQs. There, we have discussed some good questions. This set of MCQ focuses on the C++ Pointers into Arrays.
You can practice these interview questions to improve C++ programming skills needed for various interviews (like company interview, campus interview, walk-in interview), entrance exams, placements and other competitive exams. All the questions in this particular section are based on only “C++ Pointers into Arrays MCQ“.
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C++ MCQ | POINTERS INTO ARRAYS
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C++ Pointers into Arrays MCQ
#1. What is the meaning of the following declaration?
int(*p[5])();
#2. What is size of generic pointer in C++ (in 32-bit platform)?
#3. What will be the output of the following C++ code?
#include
using namespace std;
int main()
{
int arr[] = {4, 5, 6, 7};
int *p = (arr + 1);
cout << arr;
return 0;
}
#4. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main ()
{
int numbers[5];
int * p;
p = numbers;
*p = 10;
p++; *p = 20;
p = &numbers[2]; *p = 30;
p = numbers + 3; *p = 40;
p = numbers; *(p + 4) = 50;
for (int n = 0; n < 5; n++)
cout << numbers[n] << ",";
return 0;
}
#5. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
int a[2][4] = {3, 6, 9, 12, 15, 18, 21, 24};
cout << *(a[1] + 2) << *(*(a + 1) + 2) << 2[1[a]];
return 0;
}
#6. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
int arr[] = {4, 5, 6, 7};
int *p = (arr + 1);
cout << *arr + 9;
return 0;
}
#7. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
int i;
const char *arr[] = {"C", "C++", "Java", "VBA"};
const char *(*ptr)[4] = &arr;
cout << ++(*ptr)[2];
return 0;
}
#8. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
int arr[] = {4, 5, 6, 7};
int *p = (arr + 1);
cout << *p;
return 0;
}
#9. The declaration int (*p) [5]; means
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