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C Programming

C Programming
What will be the output of given program?#includevoid main(){int a=1;if("%d=hello", a);}

complier error
0
no error no output
1

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C Programming
What is right way to Initialize array?

int n{6} = { 2, 4, 12 };
int n{} = { 2, 4, 12, 5, 45, 5 };
int n(6) = { 2, 4, 12, 5, 45, 5 };
int num[6] = { 2, 4, 12, 5, 45, 5 };

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C Programming
Which of the following function calculates the square of 'x' in C?

pow(2, x)
power(x, 2)
power(2, x)
sqr(x)
pow(x, 2)

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C Programming
Determine Output:void main(){ struct xx { int x=3; char name[] = "hello"; }; struct xx *s = malloc(sizeof(struct xx)); printf("%d", s->x); printf("%s", s->name); }

Linking error
3 hello
None of these
Compiler Error

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C Programming
What will be the output of the following program?#includevoid main(){ int i = 10; void *p = &i; printf("%d\n", (int)*p);}

Segmentation fault/runtime crash
10
Compiler time error
Undefined behavior

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C Programming
What will be the output of the program if the array begins at 65472 and each integer occupies 2 bytes?#includevoid main(){ int a[3][4] = {1, 2, 3, 4, 4, 3, 2, 1, 7, 8, 9, 0}; printf("%u, %u", a+1, &a+1);}

65480, 65488
65474, 65476
65480, 65496
None of these
65474, 65488

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