| Other C Code Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| print numbers till we want without using loops or condition
statements like specifically(for,do while, while swiches,
if etc)!
| | 7 |
| What is the problem with the following code segment?
while ((fgets(receiving array,50,file_ptr)) != EOF)
; | | 1 |
| write a program to count the number the same
(letter/character foreg: 's') in a given sentence. | | 1 |
| Is there any difference between the two declarations,
1. int foo(int *arr[]) and
2. int foo(int *arr[2]) | | 1 |
| 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. | Wipro | 2 |
| main()
{
printf("\nab");
printf("\bsi");
printf("\rha");
} | | 1 |
| program to find magic aquare using array | HCL | 3 |
| How to reverse a String without using C functions ? | Wipro | 13 |
| 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 |
| main()
{
extern int i;
i=20;
printf("%d",i);
} | | 1 |
| char inputString[100] = {0};
To get string input from the keyboard which one of the
following is better?
1) gets(inputString)
2) fgets(inputString, sizeof(inputString), fp) | | 1 |
| main()
{
int i=-1;
+i;
printf("i = %d, +i = %d \n",i,+i);
} | | 1 |
| main()
{
char *p="GOOD";
char a[ ]="GOOD";
printf("\n sizeof(p) = %d, sizeof(*p) = %d, strlen(p) = %d",
sizeof(p), sizeof(*p), strlen(p));
printf("\n sizeof(a) = %d, strlen(a) = %d",
sizeof(a), strlen(a));
} | | 1 |
| main()
{
int i=5,j=10;
i=i&=j&&10;
printf("%d %d",i,j);
} | | 1 |
| main()
{
char *p;
int *q;
long *r;
p=q=r=0;
p++;
q++;
r++;
printf("%p...%p...%p",p,q,r);
} | | 1 |
| int aaa() {printf(“Hi”);}
int bbb(){printf(“hello”);}
iny ccc(){printf(“bye”);}
main()
{
int ( * ptr[3]) ();
ptr[0] = aaa;
ptr[1] = bbb;
ptr[2] =ccc;
ptr[2]();
} | | 1 |
| #define prod(a,b) a*b
main()
{
int x=3,y=4;
printf("%d",prod(x+2,y-1));
} | | 1 |
| In the following pgm add a stmt in the function fun such
that the address of
'a' gets stored in 'j'.
main(){
int * j;
void fun(int **);
fun(&j);
}
void fun(int **k) {
int a =0;
/* add a stmt here*/
} | | 1 |
| #include<stdio.h>
main()
{
char s[]={'a','b','c','\n','c','\0'};
char *p,*str,*str1;
p=&s[3];
str=p;
str1=s;
printf("%d",++*p + ++*str1-32);
} | | 1 |
| main(){
int a= 0;int b = 20;char x =1;char y =10;
if(a,b,x,y)
printf("hello");
} | | 1 |
| |
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