Arrays
- What is the output of this program?
#include
using namespace std;
int main()
{
int arr[] = {15, 25, 50};
cout << -2[arr];
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: E
It’s just printing the negative value of the concern element.
- What is the output of this program?
#include
using namespace std;
int main()
{
char str[20] = "Interview Mania";
cout << str[10];
cout <<" "<< str;
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: C
We are just printing the values of first 10 values.
- What is the output of this program?
#include
using namespace std;
int main()
{
int p = 15, q = 11, r = 12;
int array[3] = {&p, &q, &r};
cout << *array[*array[1] - 8];
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: D
The conversion is invalid in this array. So it will arise error. The following compilation error will be raised:
cannot convert from ‘int *’ to ‘int’In function 'int main()':
6:35: error: invalid conversion from 'int*' to 'int' [-fpermissive]
6:35: error: invalid conversion from 'int*' to 'int' [-fpermissive]
6:35: error: invalid conversion from 'int*' to 'int' [-fpermissive]
7:9: error: 'cout' was not declared in this scope
7:32: error: invalid type argument of unary '*' (have 'int')
- What will be the output of the this program?
#include
using namespace std;
int main ()
{
int arr[] = {10, 12, 40, 16, 70, 15, 30};
int k, res = 0;
for (k = 0; k < 5; k++) {
res += arr[k];
}
cout << res;
return 0;
}
-
View Hint View Answer Discuss in Forum
NA
Correct Option: E
We are adding all the elements in the array and printing it. Total elements in the array is 5, but our for loop will go beyond 5 and add a garbage value.
- What will be the output of this program?
#include
using namespace std;
int arr1[] = {150, 50, 230, 130, 160};
int arr2[] = {13, 15, 30, 28, 50};
int temp, res = 0;
int main()
{
for (temp = 0; temp < 5; temp++)
{
res += arr1[temp];
}
for (temp = 0; temp < 4; temp++)
{
res += arr2[temp];
}
cout << res;
return 0;
}
-
View Hint View Answer Discuss in Forum
None of these
Correct Option: A
In this program we are adding the every element of two arrays. Finally we got output as 806.
