Code Snippets Interview Questions
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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 1952

main() { char *p = “ayqm”; printf(“%c”,++*(p++)); }


29 18828

main() { int i=5; printf("%d",++i++); }

1 1479

main() { char *p = “ayqm”; char c; c = ++*p++; printf(“%c”,c); }

1 2140

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 2528

main() { int i=5; printf(“%d”,i=++i ==6); }

1 1450

main() { char p[ ]="%d\n"; p[1] = 'c'; printf(p,65); }

2 3868

void ( * abc( int, void ( *def) () ) ) ();

1 2107

main() { while (strcmp(“some”,”some\0”)) printf(“Strings are not equal\n”); }

1 2380

main() { char str1[] = {‘s’,’o’,’m’,’e’}; char str2[] = {‘s’,’o’,’m’,’e’,’\0’}; while (strcmp(str1,str2)) printf(“Strings are not equal\n”); }

1 1855

main() { int i = 3; for (;i++=0;) printf(“%d”,i); }


1 4702

void main() { int *mptr, *cptr; mptr = (int*)malloc(sizeof(int)); printf(“%d”,*mptr); int *cptr = (int*)calloc(sizeof(int),1); printf(“%d”,*cptr); }

1 1660

void main() { static int i; while(i<=10) (i>2)?i++:i--; printf(“%d”, i); }

2 4724

main() { int i=10,j=20; j = i, j?(i,j)?i:j:j; printf("%d %d",i,j); }


2 8847

1. const char *a; 2. char* const a; 3. char const *a; -Differentiate the above declarations.

3 2048

Un-Answered Questions { Code Snippets }

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I have a file which contains so many lines and variable number of lines are treated as a record. For example *first ooooo xxxxx ttttt mmmm vvvvvvv *end uuu bbbb *first kkkkvvvvvv nnnn mmmmm kkkkk fffff gggg ffff kkkk lllll *end. Here the lines from *first to *end are treated as a record. The number of lines between *first and *end is not same for all the records. Suppose there are 100 records (or number of records are not predefined)like the format given in the above example. Now the entire file needs to split into two files, first having 40 and remaining in the second file. Can we split using sort utility? If possible then what is the sort card?


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Write a function that takes an integer and returns the smallest number that is greater than the given number which is a palendrome. For example, if the input was 111 the next palindromic number would be 121.


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Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].


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