| Other C Code Interview Questions |
| |
| Question |
Asked @ |
Answers |
| |
| write a origram swaoing valu without 3rd variable |
| 2 |
| main()
{
printf("%d", out);
}
int out=100; |
| 3 |
| main()
{
char i=0;
for(;i>=0;i++) ;
printf("%d\n",i);
} |
| 2 |
| main()
{
float i=1.5;
switch(i)
{
case 1: printf("1");
case 2: printf("2");
default : printf("0");
}
} |
| 1 |
| main()
{
void swap();
int x=10,y=8;
swap(&x,&y);
printf("x=%d y=%d",x,y);
}
void swap(int *a, int *b)
{
*a ^= *b, *b ^= *a, *a ^= *b;
} |
| 2 |
| 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 |
| char *someFun1()
{
char temp[ ] = string";
return temp;
}
char *someFun2()
{
char temp[ ] = {s, t,r,i,n,g};
return temp;
}
int main()
{
puts(someFun1());
puts(someFun2());
} |
| 1 |
| main()
{
int i;
clrscr();
printf("%d", &i)+1;
scanf("%d", i)-1;
}
a. Runtime error.
b. Runtime error. Access violation.
c. Compile error. Illegal syntax
d. None of the above |
HCL | 1 |
| How to read a directory in a C program?
|
| 4 |
| What are the following notations of defining functions known as?
i. int abc(int a,float b)
{
/* some code */
}
ii. int abc(a,b)
int a; float b;
{
/* some code*/
} |
| 1 |
| int swap(int *a,int *b)
{
*a=*a+*b;*b=*a-*b;*a=*a-*b;
}
main()
{
int x=10,y=20;
swap(&x,&y);
printf("x= %d y = %d\n",x,y);
} |
| 1 |
| Give a very good method to count the number of ones in a 32
bit number.
(caution: looping through testing each bit is not a solution) |
Microsoft | 7 |
| |
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