C Programming Quiz

Find the output of the following program void main() { int i; i=1; i=1+2*i++; printf("%d",i); }

• 3

• 5

• 6

• 4

What will be the output of the following C code considering the size of a short int is 2, char is 1 and int is 4 bytes? #include int main() { short int i = 20; char c = 97; printf("%d, %d, %d\n", sizeof(i), sizeof(c), sizeof(c + i)); return 0; }

• 2, 1, 2

• 2, 1, 1

• 2, 1, 4

• 2, 2, 8

What is the output of the following program? #include main() { int i = 13, j = 60; i ^= j; j ^= i; i ^= j; printf("%d %d", i, j); }

• 73 73

• 60 13

• - 13 60

• - 60 60

What will the following switch statement print if the character input is y? char c=’y’; scanf("%c",&c); switch( c ) { case ‘Y’: printf(“Yes/No”); case ‘N’: printf(“No/Yes); break; default: printf(“other”); }

• Yes/NoNo/Yes

• No/Yes

• other

• compilation error

What will be the output of the following program #include int main() { int y; y=1!=2>5&&0!=5<8; printf("%d",y); return 0; }

• 1

• 0

• error

• garbage value

What will be the output of the following program #include int main() { int y; y=5<8?1!=2<5==0?10:20:30; printf("%d",y); return 0; }

• 10

• 20

• 30

• 1

What will be the output of the program? #include int main() { int i=-3, j=2, k=0, m; m = ++i && ++j && ++k; printf("%d, %d, %d, %d\n", i, j, k, m); return 0; }

• -2, 3, 1, 1

• 2, 3, 1, 2

• 1, 2, 3, 1

• 3, 3, 1, 2

What will be output of the following code if user inputs p = 2, q =4, r = 8? int main() { int p,q,r,s,t; //Assume code reading values of p,q,r from user q += p; s = p; s *= q; t = 10; t %= r; printf("\nt = %d \t %d \t %d ",q,s,t); return 0; }

• 2 4 8

• 6 12 2

• 6 8 1

• 6 12 3

What will be output of following code if p = 2, q =6, r = 10? int main() { int p,q,r,s,t; //Assume code reading values of p,q,r from user s = (p+1,q,q*2); printf("\ns = %d",s); t = p>1,0,q; printf("\nt = %d",t); return 0; }

• 3 6

• 6 0

• 12 1

• 12 6

In the following code what will be output if number1 = 0 and number2 = 3 ? void main() { int number1, number2; //Assume code inputing number1 and number2 from user ((number1 >= 0) && (number2 <=1) ) ? printf("Happy "): printf("Good "); ((number1 <= 1) && (number2 >= 1) )? printf("Morning "): printf("Mary Christmas"); }

• Happy Morning

• Good Morning

• Happy Mary Christmas

• Good Mary Christmas