Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Home
»
C Programming
»
Declarations and Initializations
What will be the output of the program? #include
int X=40; int main() { int X=20; printf("%d\n", X); return 0; }
20
40
Error
No Output
Correct Answer:
20
Explanation:
Whenever there is conflict between a local variable and global variable, the local variable gets priority.
← Previous Question
Next Question→
More Questions from
Declarations and Initializations
What is the output of the program #include
int main() { extern int fun(float); int a; a = fun(3.14); printf("%d\n", a); return 0; } int fun(int aa) { return (int)++aa; }
In the following program how long will the for loop get executed? #include
int main() { int i=5; for(;scanf("%s", &i); printf("%d\n", i)); return 0; }
What is the output of the program #include
int main() { int a[5] = {2, 3}; printf("%d, %d, %d\n", a[2], a[3], a[4]); return 0; }
What is the output of the program in Turbo C (in DOS 16-bit OS)? #include
int main() { char *s1; char far *s2; char huge *s3; printf("%d, %d, %d\n", sizeof(s1), sizeof(s2), sizeof(s3)); return 0; }
What is the output of the program #include
int main() { int x = 10, y = 20, z = 5, i; i = x < y < z; printf("%d\n", i); return 0; }
What is the output of the program #include
int main() { struct emp { char name[20]; int age; float sal; }; struct emp e = {"Tiger"}; printf("%d, %f\n", e.age, e.sal); return 0; }
What will be the output of the program? #include
int main() { int X=40; { int X=20; printf("%d ", X); } printf("%d\n", X); return 0; }
What is the output of the program? #include
int main() { union a { int i; char ch[2]; }; union a u; u.ch[0] = 3; u.ch[1] = 2; printf("%d, %d, %d\n", u.ch[0], u.ch[1], u.i); return 0; }
Which of the structure is incorrcet? 1 : struct aa { int a; float b; }; 2 : struct aa { int a; float b; struct aa var; }; 3 : struct aa { int a; float b; struct aa *var; };
1 : typedef long a; extern int a c; 2 : typedef long a; extern a int c; 3 : typedef long a; extern a c;
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments