| Other C Code Interview Questions |
| |
| Question |
Asked @ |
Answers |
| |
| main()
{
int i;
clrscr();
for(i=0;i<5;i++)
{
printf("%d\n", 1L << i);
}
}
a. 5, 4, 3, 2, 1
b. 0, 1, 2, 3, 4
c. 0, 1, 2, 4, 8
d. 1, 2, 4, 8, 16 |
HCL | 4 |
| int main()
{
int x=10;
printf("x=%d, count of earlier print=%d",
x,printf("x=%d, y=%d",x,--x));
getch();
}
==================================================
returns error>> ld returned 1 exit status
===================================================
Does it have something to do with printf() inside another
printf(). |
| 2 |
| #include<stdio.h>
main()
{
struct xx
{
int x=3;
char name[]="hello";
};
struct xx *s;
printf("%d",s->x);
printf("%s",s->name);
} |
| 2 |
| Given an array of characters which form a sentence of
words, give an efficient algorithm to reverse the order of
the words (not characters) in it.
|
Microsoft | 9 |
| #define assert(cond) if(!(cond)) \
(fprintf(stderr, "assertion failed: %s, file %s,
line %d \n",#cond,\
__FILE__,__LINE__), abort())
void main()
{
int i = 10;
if(i==0)
assert(i < 100);
else
printf("This statement becomes else for if in
assert macro");
} |
| 1 |
| main()
{
float f=5,g=10;
enum{i=10,j=20,k=50};
printf("%d\n",++k);
printf("%f\n",f<<2);
printf("%lf\n",f%g);
printf("%lf\n",fmod(f,g));
} |
| 1 |
| main()
{
int k=1;
printf("%d==1 is ""%s",k,k==1?"TRUE":"FALSE");
} |
| 1 |
| how to delete an element in an array
|
IBM | 2 |
| main()
{
char string[]="Hello World";
display(string);
}
void display(char *string)
{
printf("%s",string);
} |
Wipro | 1 |
| main()
{
int x=5;
clrscr();
for(;x<= 0;x--)
{
printf("x=%d ", x--);
}
}
a. 5, 3, 1
b. 5, 2, 1,
c. 5, 3, 1, -1, 3
d. –3, -1, 1, 3, 5 |
HCL | 2 |
| #include<stdio.h>
main()
{
FILE *ptr;
char i;
ptr=fopen("zzz.c","r");
while((i=fgetch(ptr))!=EOF)
printf("%c",i);
} |
| 1 |
| void main()
{
int k=ret(sizeof(float));
printf("\n here value is %d",++k);
}
int ret(int ret)
{
ret += 2.5;
return(ret);
} |
| 1 |
| |
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