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C Programming

C Programming
Which is the only function all C programs must contain?

printf()
getch()
main()
start()
system()

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C Programming
Consider the following program fragment:for(c=1, sum=0; c <= 10; c++){ scanf("%d", &x); if( x < 0 ) continue; sum += x;}What would be the value of sum for the input 1, -1, 2, -2, 3, -3, 4, -4, 5, -5

1
30
15
-5
10

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C Programming
Determine Output:void main(){ char a[]="12345"; int i = strlen(a); printf("%d", ++i);}

7
6
None of These
5

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C Programming
Choose the correct output for the following program.#includevoid main(){ int a=10, b=11, c=13, d; d = (a=c, b+=a, c=a+b+c); printf("%d %d %d %d", d, a, b, c);}

13, 10, 24, 50
50, 13, 11, 13
13, 13, 24, 13
50, 13, 24, 13
50, 13, 24, 50

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C Programming
Find the output of the following program.void main(){ int array[10]; int *i = &array[2], *j = &array[5]; int diff = j-i; printf("%d", diff);}

Error
Garbage value
6
3

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C Programming
What will be the output of this program on an implementation where int occupies 2 bytes?#include void main(){ int i = 3; int j; j = sizeof(++i + ++i); printf("i=%d j=%d", i, j);}

i=5 j=2
i=3 j=2
i=4 j=2
the behavior is undefined

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