Array in C

How do you initialize an array in C?

• int arr[3] = (1,2,3);

• int arr(3) = {1,2,3};

• int arr[3] = {1,2,3}

• int arr(3) = (1,2,3)

What is the output of C Program.?

int main()

{

int a[] = {1,2,3,4};

int b[4] = {5,6,7,8};

printf("%d,%d", a[0], b[0]);

}

• 1

• 2

• 4

• Error

What is the output of C Program.?

int main() {

int a[] = {1,2,3,4};

int b[4] = {5,6,7,8};

printf("%d,%d", a[0], b[0]);

}

• 1,5

• 2,6

• 0,0

• Error

What is the output of C Program.?

int main()

{

char grade[] = {'A','B','C'}; printf("GRADE=%c, ", *grade); printf("GRADE=%d", grade);

}

• GRADE=some address of array, GRADE=A

• GRADE=A, GRADE=some address of array

• GRADE=A, GRADE=A

• Compiler error

What is the output of C program.?

int main() {

char grade[] = {'A','B','C'}; printf("GRADE=%d, ", *grade); printf("GRADE=%d", grade[0]);

}

• A A

• 65 A

• 65 65

• None

What is the output of C program.?

int main()

{

float marks[3] = {90.5, 92.5, 96.5};

int a=0;

while(a<3)

{

printf("%.2f,", marks[a]); a++;

}

}

• 90.5 92.5 96.5

• 90.50 92.50 96.50

• 0.00 0.00 0.00

• Compiler error

What is the output of C Program.?

int main() {

int a[3] = {10,12,14};

a[1]=20;

int i=0;

while(i<3)

{ printf("%d ", a[i]);

i++; }

}

• 20 12 14

• 10 20 14

• 10 12 20

• Error

What is the output of C program.?

int main() {

int a[3] = {10,12,14};

int i=0;

while(i<3)

{ printf("%d ", i[a]);

i++; }

}

• 14 12 10

• 10 10 10

• 10 12 14

• None

What is the output of C program with arrays.?

int main() {

int a[3] = {20,30,40};

int b[3];

b=a;

printf("%d", b[0]);

}

• 20

• 30

• address of 0th element.

• Compiler error

What is the output of C program with arrays and pointers.?

int main() {

int a[3] = {20,30,40};

int *p[3];

p=&a;

printf("%d", *p[0]); }

• 20

• address of element 20

• Garbage value

• Compiler error