C Arrays - Aptitude Questions and Answers

#include <stdio.h>
int main()
{
	static int var[5];
	int count=0;
	
	var[++count]=++count;
	for(count=0;count<5;count++)
		printf("%d ",var[count]);
	
	return 0;
}

1. 0 1 0 0 0
2. 0 2 0 0 0
3. 0 0 2 0 0
4. 0 0 0 0 0

#include <stdio.h>
int main()
{
	int MAX=10;
	int array[MAX];
	printf("size of array is = %d",sizeof(array);
	return 0;
}

1. size of array is = 20
2. size of array is = 40
3. size of array is = 4
4. Error

#include <stdio.h>
#define MAX 10
int main()
{	int array[MAX]={1,2,3},tally;
	for(tally=0;tally< sizeof(array)/sizeof(int);tally+=1)
		printf("%d ",*(tally+array));
	return 0;
}

1. Error
2. 1 3 4 5 6 7 8 9 10 11
3. 1 2 3 0 0 0 0 0 0 0
4. 0 0 0 0 0 0 0 0 0 0

#include <stdio.h>
int main()
{	static int x[]={'A','B','C','D','E'},tally;
	for(tally=0;tally< sizeof(x)/sizeof(int) ; tally+=1)
		printf("%c,%c,%c\n",*(x+tally)+1,x[tally]+1,*(tally+x)+1);
	return 0;
}

1. Error
2. A,A,A
   B,B,B
   C,C,C
   D,D,D
   E,E,E
3. B,B,B
   C,C,C
   D,D,D
   E,E,E
   F,F,F
4. E,E,E
   D,D,D
   C,C,C
   B,B,B
   A,A,A

#include <stdio.h>
int main()
{	static int array[]={10,20,30,40,50};
	printf("%d...%d",*array,*(array+3)* *array);
	return 0;
}

1. Error
2. 10...40
3. 10...300
4. 10....400

#include <stdio.h>
int main()
{	int a[5]={1,2,3,4,5},b[5]={10,20,30,40,50},tally;
	
	for(tally=0;tally< 5;++tally)
		*(a+tally)=*(tally+a)+ *(b+tally);
	
	for(tally=0;tally< 5;tally++)
		printf("%d ",*(a+tally));

	return 0;
}

1. 1 2 3 4 5
2. 10 20 30 40 50
3. 11 22 33 44 55
4. Error

#include <stdio.h>
int main()
{	int a[5]={0x00,0x01,0x02,0x03,0x04},i;
	i=4;
	while(a[i])
	{
		printf("%02d  ",*a+i);
		--i;
	}
	return 0;
}

1. 00 01 02 03 04
2. 04 03 02 01 00
3. 04 03 02 01
4. 01 02 03 04

#include <stdio.h>
int main()
{
	char X[10]={'A'},i;
	for(i=0; i<10; i++)
		printf("%d ",X[i]);
	return 0;
}

1. A 0 0 0 0 0 0 0 0 0
2. A
3. A 32 32 32 32 32 32 32 32 32
4. ERROR

1. int x[5];
2. int x[5]={1,2,3,4,5};
3. int x[5]={1,2};
4. int x[];