C Programming Coding Assessment

What will be the output of the code? #include int main() { int a = 5, b = 10; a = a + b; b = b - a; a = a - b; printf("a = %d, b = %d\n", a, b); return 0; }

• 10

• 15

• 5

• 20

How many times the while loop will get executed if a short int is 2 byte wide? #include int main() { int j=1; while(j <= 255) { printf("%c %d\n", j, j); j++; } return 0; }

• Infinite times

• 255 times

• 256 times

• 254 times

Which of the following errors would be reported by the compiler on compiling the program given below? #include int main() { int a = 5; switch(a) { case 1: printf("First"); case 2: printf("Second"); case 3 + 2: printf("Third"); case 5: printf("Final"); break; } return 0; }

• There is no break statement in each case.

• Expression as in case 3 + 2 is not allowed.

• Duplicate case case 5:

• No error will be reported.

Point out the error, if any in the program. #include int main() {int P = 10; switch(P) { case 10: printf("Case 1"); case 20: printf("Case 2"); break; case P: printf("Case 2"); break; } return 0; }

• Error: No default value is specified

• Error: Constant expression required at line case P:

• Error: There is no break statement in each case.

• No error will be reported.

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

• 3, 4

• 4, 3

• 4, 4

• Output may vary from compiler to compiler

How many times the program will print "SMTEC" ? #include int main() { printf("SMTEC"); main(); return 0; }

• Infinite times

• 32767 times

• 65535 times

• Till stack overflows

What will be the output of the program? #include #define SQR(x)(x*x) int main() { int a, b=3; a = SQR(b+2); printf("%d\n", a); return 0; }

• 25

• 11

• Error

• Garbage value

What will be the output of the program ? #include int main() { char *p; p="hello"; printf("%s\n", *&*&p); return 0; }

• llo

• hello

• ello

• h

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 the output of the program ? #include #include int main() { char str[] = "India\0\SMTEC\0"; printf("%s\n", str); return 0; }

• SMTEC

• India

• India SMTEC

• India\0SMTEC