What is the output of this C code? 1. #include
2. void main()
3. {
4. int x = 0, y = 2, z = 3;
5. int a = x & y | z;
6. printf("%d", a);
7. }
Comment on the output of this C code? 1. #include
2. int main()
3. {
4. int ThisIsVariableName = 12;
5. int ThisIsVariablename = 14;
6. printf("%d", ThisIsVariablename);
7. return 0;
8. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. if (~0 == 1)
5. printf("yes\n");
6. else
7. printf("no\n");
8. }
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. void main()
3. {
4. int a = 5, b = -7, c = 0, d;
5. d = ++a && ++b || ++c;
6. printf("\n%d%d%d%d", a, b, c, d);
7. }
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. }
Which of the following is true for variable names in C?
Does this compile without error? 1. #include
2. int main()
3. {
4. int k;
5. {
6. int k;
7. for (k = 0; k < 10; k++);
8. }
9. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 1, y = 2;
5. if (x && y == 1)
6. printf("true\n");
7. else
8. printf("false\n");
9. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = 2, y = 1;
5. x *= x + y;
6. printf("%d\n", x);
7. return 0;
8. }
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 the following C code(on a 64 bit machine)? 1. #include
2. union Sti
3. {
4. int nu;
5. char m;
6. };
7. int main()
8. {
9. union Sti s;
10. printf("%d", sizeof(s));
11. return 0;
12. }
Which of the following is not an arithmetic operation?
What is the output of this C code? 1. #include
2. void main()
3. {
4. int a = 5 * 3 % 6 - 8 + 3;
5. printf("%d", a);
6. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int x = -2;
5. if (!0 == 1)
6. printf("yes\n");
7. else
8. printf("no\n");
9. }
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. }
What is the output of this C code? 1. #include
2. int main()
3. {
4. int y = 10000;
5. int y = 34;
6. printf("Hello World! %d\n", y);
7. return 0;
8. }
Which of the datatypes have size that is variable?
Which of the following is not a valid variable name declaration?
Which is valid C expression?
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. }
For the following code snippet: char *str = “Sanfoundry.com\0” “training classes”; The character pointer str holds reference to string:
What is the output of this C code? 1. #include
2. #include
3. int main()
4. {
5. char *str = "x";
6. char c = 'x';
7. char ary[1];
8. ary[0] = c;
9. printf("%d %d", strlen(str), strlen(ary));
10. return 0;
11. }
Relational operators cannot be used on:
For initialization a = 2, c = 1 the value of a and c after this code will be c = (c) ? a = 0 : 2;
Which is correct with respect to size of the datatypes?
What is the output of this C code? 1. #include
2. int main()
3. {
4. int y = 1, x = 0;
5. int l = (y++, x++) ? y : x;
6. printf("%d\n", l);
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. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. int x = 0;
5. if (x = 0)
6. printf("Its zero\n");
7. else
8. printf("Its not zero\n");
9. }
Variable names beginning with underscore is not encouraged. Why?
Which of the following is an invalid assignment operator?
Does this compile without error? 1. #include
2. int main()
3. {
4. for (int k = 0; k < 10; k++);
5. return 0;
6. }
What is the size of an int data type?
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 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. void main(
3. {
4. double b = 8;
5. b++;
6. printf("%lf", b);
7. }
What is the output of this C code? 1. #include
2. void main()
3. {
4. int x = 1, y = 0, z = 5;
5. int a = x && y && z++;
6. printf("%d", z);
7.}
What is the output of this C code? 1. #include
2. void main()
3. {
4. int x = 97;
5. char y = x;
6. printf("%c\n", y);
7. }
For which of the following, “PI++;” code will fail?