What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 2, y = 0;
5. int z = (y++) ? 2 : y == 1 && x;
6. printf("%d\n", z);
7. return 0;
8. }
Comment on the output of this C code? 1. #include
2. int main()
3. {
4. int i = 2;
5. int i = i++ + i;
6. printf("%d\n", i);
7. }
Which of the following is not an arithmetic operation?
Comment on the output of this C code? 1. #include
2. void main()
3. {
4. int k = 4;
5. int *const p = &k;
6. int r = 3;
7. p = &r;
8. printf("%d", p);
9. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. int a = -5;
5. int k = (a++, ++a);
6. printf("%d\n", k);
7. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. int a = 5 * 3 + 2 - 4;
5. printf("%d", a);
6. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 3, y = 2;
5. int z = x << 1 > 5;
6. printf("%d\n", z);
7. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. signed char chr;
5. chr = 128;
6. printf("%d\n", chr);
7. return 0;
8. }
Which of the following is not a valid variable name declaration?
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 2, y = 0;
5. int z = x && y = 1;
6. printf("%d\n", z);
7. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int i = -5;
5. i = i / 3;
6. printf("%d\n", i);
7. return 0;
8. }
Which of the following cannot be a variable name in C?
What is the output of this C code? 1. #include
2. int main()
3. {
4. int i = -3;
5. int k = i % 2;
6. printf("%d\n", k);
7. }
What is the size of an int data type?
What is the output of the below code considering size of short int is 2, char is 1 and int is 4 bytes? 1. #include
2. int main()
3. {
4. short int i = 20;
5. char c = 97;
6. printf("%d, %d, %d\n", sizeof(i), sizeof(c), sizeof(c + i));
7. return 0;
8. }
Which of the datatypes have size that is variable?
The output of the code below is 1. #include
2. void main()
3. {
4. int k = 8;
5. int m = 7;
6. k < m ? k++ : m = k;
7. printf("%d", k);
8. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 3; //, y = 2;
5. const int *p = &x;
6. *p++;
7. printf("%d\n", *p);
8. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. int a = -5;
5. int k = (a++, ++a);
6. printf("%d\n", k);
7. }
Variable names beginning with underscore is not encouraged. Why?
What is the output of this C code? 1. #include
2. #define MAX 2
3. enum bird {SPARROW = MAX + 1, PARROT = SPARROW + MAX};
4. int main()
5. {
6. enum bird b = PARROT;
7. printf("%d\n", b);
8. return 0;
9. }
What is the output of this C code (on a 32-bit machine)? 1. #include
2. int main()
3. {
4. int x = 10000;
5. double y = 56;
6. int *p = &x;
7. double *q = &y;
8. printf("p and q are %d and %d", sizeof(p), sizeof(q));
9. return 0;
10. }
What is the problem in following variable declaration? float 3Bedroom-Hall-Kitchen?;
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 1, y = 2;
5. int z = x & y == 2;
6. printf("%d\n", z);
7. }
What will be the data type of the result of the following operation? (float)a * (int)b / (long)c * (double)d
What is the output of this C code? #include
int main()
{
int x = 1;
int y = x == 1 ? getchar(): 2;
printf("%d\n", y);
}
What is the output of this C code? 1. #include
2. void main()
3. {
4. int x = 97;
5. int y = sizeof(x++);
6. printf("X is %d", x);
7. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int i = 10;
5. int *p = &i;
6. printf("%d\n", *p++);
7. }
Comment on the output of this C code? 1. #include
2. int main()
3. {
4. const int i = 10;
5. int *ptr = &i;
6. *ptr = 20;
7. printf("%d\n", i);
8. return 0;
9. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. if (7 & 8)
5. printf("Honesty");
6. if ((~7 & 0x000f) == 8)
7. printf("is the best policy\n");
8. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. printf("sanfoundry\r\nclass\n");
5. return 0;
6. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 2;
5. x = x << 1;
6. printf("%d\n", x);
7. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int y = 0;
5. if (1 |(y = 1))
6. printf("y is %d\n", y);
7. else
8. printf("%d\n", y);
9. }
What is the value of i and j in the below code? 1. #include
2. int x = 0;
3. int main()
4. {
5. int i = (f() + g()) || g();
6. int j = g() || (f() + g());
7. }
8. int f()
9. {
10. if (x == 0)
11. return x + 1;
12. else
13. return x - 1;
14. }
15. int g()
16. {
17. return x++;
18. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. float x = 0.1;
5. if (x == 0.1)
6. printf("Sanfoundry");
7. else
8. printf("Advanced C Classes");
9. }
Comment on the output of this C code? 1. #include
2. int main()
3. {
4. int a[5] = {1, 2, 3, 4, 5};
5. int i;
6. for (i = 0; i < 5; i++)
7. if ((char)a[i] == '5')
8. printf("%d\n", a[i]);
9. else
10. printf("FAIL\n");
11. }
Which is valid C expression?
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 2, y = 0;
5. int z = (y++) ? y == 1 && x : 0;
6. printf("%d\n", z);
7. return 0;
8. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int a = 1, b = 1, d = 1;
5. printf("%d, %d, %d", ++a + ++a+a++, a++ + ++b, ++d + d++ + a++);
6. }
A variable declared in a function can be used in main