| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| main()
{
signed int bit=512, mBit;
{
mBit = ~bit;
bit = bit & ~bit ;
printf("%d %d", bit, mBit);
}
}
a. 0, 0
b. 0, 513
c. 512, 0
d. 0, -513 | HCL | 1 |
| Given n nodes. Find the number of different structural
binary trees that can be formed using the nodes. | Aricent | 7 |
| main()
{
int a[10];
printf("%d",*a+1-*a+3);
} | | 1 |
| main()
{
int i=10;
i=!i>14;
Printf ("i=%d",i);
} | | 1 |
| 1
o 1
1 0 1
0 1 0 1
1 0 1 0 1
how to design this function format in c-language ? | | 1 |
| Finding a number which was log of base 2 | NetApp | 1 |
| main()
{
int i=0;
while(+(+i--)!=0)
i-=i++;
printf("%d",i);
} | | 1 |
| void func1(int (*a)[10])
{
printf("Ok it works");
}
void func2(int a[][10])
{
printf("Will this work?");
}
main()
{
int a[10][10];
func1(a);
func2(a);
}
a. Ok it works
b. Will this work?
c. Ok it worksWill this work?
d. None of the above | HCL | 1 |
| main()
{
41printf("%p",main);
}8 | | 1 |
| #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()
{
printf("%d, %d", sizeof('c'), sizeof(100));
}
a. 2, 2
b. 2, 100
c. 4, 100
d. 4, 4 | HCL | 3 |
| Write out a function that prints out all the permutations of
a string.
For example, abc would give you abc, acb, bac, bca, cab,
cba. You can assume that all the characters will be unique. | Microsoft | 4 |
| main()
{
char *a = "Hello ";
char *b = "World";
clrscr();
printf("%s", strcpy(a,b));
}
a. “Hello”
b. “Hello World”
c. “HelloWorld”
d. None of the above | HCL | 1 |
| #include<stdio.h>
main()
{
register i=5;
char j[]= "hello";
printf("%s %d",j,i);
} | | 1 |
| main()
{
float i=1.5;
switch(i)
{
case 1: printf("1");
case 2: printf("2");
default : printf("0");
}
} | | 1 |
| main()
{
int i;
printf("%d",scanf("%d",&i)); // value 10 is given as
input here
} | | 1 |
| #define f(g,g2) g##g2
main()
{
int var12=100;
printf("%d",f(var,12));
} | | 1 |
| Is the following statement a declaration/definition. Find
what does it mean?
int (*x)[10]; | | 1 |
| main()
{
int a=2,*f1,*f2;
f1=f2=&a;
*f2+=*f2+=a+=2.5;
printf("\n%d %d %d",a,*f1,*f2);
} | | 1 |
| #include<stdio.h>
main()
{
int i=1,j=2;
switch(i)
{
case 1: printf("GOOD");
break;
case j: printf("BAD");
break;
}
} | | 1 |
| |
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