| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| void pascal f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
void cdecl f(int i,int j,int k)
{
printf(“%d %d %d”,i, j, k);
}
main()
{
int i=10;
f(i++,i++,i++);
printf(" %d\n",i);
i=10;
f(i++,i++,i++);
printf(" %d",i);
} | | 1 |
| main()
{
extern int i;
i=20;
printf("%d",i);
} | | 1 |
| enum colors {BLACK,BLUE,GREEN}
main()
{
printf("%d..%d..%d",BLACK,BLUE,GREEN);
return(1);
} | | 1 |
| main()
{
show();
}
void show()
{
printf("I'm the greatest");
} | | 1 |
| #include <stdio.h>
main()
{
char * str = "hello";
char * ptr = str;
char least = 127;
while (*ptr++)
least = (*ptr<least ) ?*ptr :least;
printf("%d",least);
} | | 1 |
| main()
{
int i, j;
scanf("%d %d"+scanf("%d %d", &i, &j));
printf("%d %d", i, j);
}
a. Runtime error.
b. 0, 0
c. Compile error
d. the first two values entered by the user | HCL | 1 |
| #define square(x) x*x
main()
{
int i;
i = 64/square(4);
printf("%d",i);
} | | 1 |
| Program to find the largest sum of contiguous integers in
the array. O(n) | | 7 |
| Is the following code legal?
typedef struct a aType;
struct a
{
int x;
aType *b;
}; | | 1 |
| Finding a number multiplication of 8 with out using
arithmetic operator | NetApp | 8 |
| struct Foo
{
char *pName;
char *pAddress;
};
main()
{
struct Foo *obj = malloc(sizeof(struct Foo));
clrscr();
obj->pName = malloc(100);
obj->pAddress = malloc(100);
strcpy(obj->pName,"Your Name");
strcpy(obj->pAddress, "Your Address");
free(obj);
printf("%s", obj->pName);
printf("%s", obj->pAddress);
}
a. Your Name, Your Address
b. Your Address, Your Address
c. Your Name Your Name
d. None of the above | HCL | 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 |
| Give a oneline C expression to test whether a number is a
power of 2?
| Motorola | 16 |
| #include<stdio.h>
main()
{
int a[2][2][2] = { {10,2,3,4}, {5,6,7,8} };
int *p,*q;
p=&a[2][2][2];
*q=***a;
printf("%d..%d",*p,*q);
} | | 1 |
| main(){
unsigned int i;
for(i=1;i>-2;i--)
printf("c aptitude");
} | | 1 |
| Find the largest number in a binary tree | Infosys | 4 |
| What is the problem with the following code segment?
while ((fgets(receiving array,50,file_ptr)) != EOF)
; | | 1 |
| #include"math.h"
void main()
{
printf("Hi everybody");
}
if <stdio.h> will be included then this program will must
compile, but as we know that when we include a header file
in "" then any system defined function find its defination
from all the directrives. So is this code of segment will
compile? If no then why? | | 2 |
| void main()
{
void *v;
int integer=2;
int *i=&integer;
v=i;
printf("%d",(int*)*v);
} | | 1 |
| Finding a number which was log of base 2 | NetApp | 1 |
| |
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