c star 2

27) What is the output of the following code?

int fun(char *str1)

{ char *str2 = str1;

while(*++str1);

return (str1-str2);

}

int main()

{ char *str = "GeeksQuiz";

printf("%d", fun(str));

return 0;

}

• 10

• 9

• 8

• random number

28)What is the output of the following code?

#include<stdio.h>

int main()

{

char str[] = "GeeksQuiz";

printf("%s %s %sn", &str[5], &5[str], str+5);

printf("%c %c %cn", *(str+6), str[6], 6[str]);

return 0;

}

• Runtime Error

• Compiler Error

• uiz uiz uiz u u u

• Quiz Quiz Quiz u u u

29) What is the output of the following code?

void print(int arr[])

{ int n = sizeof(arr)/sizeof(arr[0]);

int i;

for (i = 0; i < n; i++)

printf("%d ", arr[i]);

}

int main()

{ int arr[] = {1, 2, 3, 4, 5, 6, 7, 8};

print(arr);

return 0;

}

a)

b)

c)

d)

• 1,2,3,4,5,6,7,8

• Compile error

• 1,2

• Runtime error

30)What is the output of the following code?

int main()

{

float arr[] = {12.4, 2.3, 4.5, 6.7};

printf("%d", sizeof(arr)/sizeof(arr[0]));

return 0;

}

a)5

b)7

c)4

d)8

• 5

• 7

• 4

• 8

31)What is the output of the following code?

int main()

{

int i = 0;

char s[4] = {'\0', '\0', '\0', '\0'};

for(i = 0;i<4;i++)

{

printf("%c", s[i]);

}

return 0;

}

• \0\0\0

• 0\0\0\0

• No output

• Error

32) In C, if you pass an array as an argument to a function, what actually gets passed?

• Value of elements in array

• First element of the array

• Base address of the array

• Address of the last element of array

34) How many times EEE will be printed

int i=-5;

while(i<=5)

{

If(i>=0)

break;

else

{

i++;

continue;

}

printf(“EEE”)

}

35)How many number of times star will be printed and what formula does it follows?

Consider n=5

void fun1(int n)

{

int i=0;

if(n>1)

fun1(n-1);

for(i=0;i<n;i++)

printf(“*”);

}

36)

#include <stdio.h>

void f(char**);

int main()

{

char

*argv[] = { "ab", "cd", "ef", "gh",

"ij", "kl" };

f(argv);

return

0;

}

void f(char **p)

{

char

*t;

t =

(p += sizeof(int))[-1];

printf("%s\n",

t);

}

• ab

• cd

• ef

• gh

37)

#include <stdio.h>

#include <stdlib.h>

int main(void)

{

int

i;

int

*ptr = (int *) malloc(5 * sizeof(int));

for

(i=0; i<5; i++)

*(ptr

+ i) = i;

printf("%d

", *ptr++);

printf("%d

", (*ptr)++);

printf("%d

", *ptr);

printf("%d

", *++ptr);

printf("%d

", ++*ptr);

}

• Compiler Error

• 0 1 2 2 3

• 0 1 2 3 4

• 1 2 3 4 5