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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

20
2
Linker Error
Compiler Error

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C Programming
Determine Output:void main(){ int c[] = {2.8,3.4,4,6.7,5}; int j, *p=c, *q=c; for(j=0;j<5;j++){ printf(" %d ", *c); ++q; } for(j=0;j<5;j++){ printf(" %d ", *p); ++p; }}

2 2 2 2 2 2 3 4 6 5
2 3 4 6 5 2 3 4 6 5
2.8 2.8 2.8 2.8 2.8 2.8 3.4 4
2.8 3.4 4 6.7 5 2.8 3.4 4 6.7

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C Programming
What will be the correct output of the following program?#includevoid main(){ char str[] = "C EXAMINATION", rev[17]; int i = strlen(str), j=0; for( ; i>=0; rev[j++] = str[i--]) rev[j] = str[j] ; puts(rev);}

NOITANIMAXE
C
Syntax error
NOITANIMAXE C
No output at all.

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C Programming
Determine Output:void main(){ int i=0, j=0; if(i && j++) printf("%d..%d", i++, j); printf("%d..%d", i, j);}

0..1
1..0
0..0
1..1

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C Programming
Size of the array need not be specified, when

It is a formal parameter
All of these
Initialization is a part of definition
It is a declaratrion

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C Programming
What is right way to Initialize array?

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

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