What will be the output of the program? #include int X=40; int main() { int X=20; printf("%d ", X); return 0; }

Home » C Programming » Declarations and Initializations

What will be the output of the program? #include<stdio.h> int X=40; int main() { int X=20; printf("%d ", 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 ", 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 ", i)); return 0; }
What is the output of the program #include int main() { int a[5] = {2, 3}; printf("%d, %d, %d ", 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 ", 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 ", 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 ", 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 ", 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 ", 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!

Join Discussion