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Questions without a selected answer in Programming and DS

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1

GATE CSE SET-1 2024
My question is that can we use command line arguments without use of main function's parameters argc and *argv?

RahulVerma3 asked in Programming in C Mar 22

35 views

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0 answers

2

GATE 2024 CSE1
I have a question that can we use command line arguments without main function arguments? int main(int argc, char **argv){ }

RahulVerma3 asked in Programming in C Mar 16

101 views

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0 answers

3

class question self doubt
#include<stdio.h> #include<conio.h> int main(){ int a[][3]={ {4,14,24},{5,15,25},{6,16,26}}; int *p[3]; int **ptr=p; p[0]=a; p[1]=a+1; p[2]=a+2; ++*p; ++p[0]; ++**ptr; ++*p[0]; ++ptr; ++*ptr; --*p[1]; --*ptr; ++ptr; --p[ ... ("\n%d,%d,%d",a[0][2],a[1][1],a[2][0]); printf("\n%d,%d,%d",*p[0],*p[1],*p[2]); } what is the output of above program

Emankashyap asked in Programming in C Mar 1

119 views

0 votes

1 answer

4

c programming
#include <stdio.h> int main() { int i = -1; int x = (unsigned char)i; printf("%d", x); return 0; } output is 255 , but please explain how

SSR17 asked in Programming in C Feb 29

by SSR17

213 views

1 vote

0 answers

5

I have purchased the IIIT Hyderabad 2024 test series but i can't find the test series anywhere

Khushbu Chaudhary asked in Programming in C Feb 25

by Khushbu Chaudhary

86 views

0 votes

1 answer

6

Linked List
How can we find the highest element in a singly linked list in O(1)? We are free to use any extra space.

Mrityudoot asked in Programming in C Feb 25

143 views

0 votes

1 answer

7

s.balaguruswami
Find the error of the following IP addresses. If the IP is valid, check its Class and determine whether the address is Unicast or Multicast. i) 237.15.2.1 ii) 256.1.8.9 iii) 114.34.2.8 iv) 255.254.0.1 v) 8.8.8.8

Sheikh Rafi asked in Programming in C Feb 24

88 views

0 votes

1 answer

8

GATE DS&AI 2024 | Question: 11
Consider performing uniform hashing on an open address hash table with load factor $\alpha=\frac{n}{m}<1$, where $n$ elements are stored in the table with $m$ slots. The expected number of probes in an unsuccessful search is at most $\frac{1}{1-\alpha}$. Inserting ... $\frac{1}{1-\alpha}$ $1+\frac{\alpha}{2}$ $\frac{1}{1+\alpha}$

Arjun asked in DS Feb 16

by Arjun

693 views

0 votes

1 answer

9

GATE DS&AI 2024 | Question: 22
The fundamental operations in a double-ended queue $D$ are: insertFirst (e) - Insert a new element $e$ at the beginning of $D$. insertLast (e) - Insert a new element $e$ at the end of D. removeFirst () - Remove and return the first element of $D$. removeLast () ... $\mathbf{a} \leftarrow$ removeLast () The value of $\mathbf{a}$ is $\_\_\_\_\_\_\_\_$.

Arjun asked in DS Feb 16

by Arjun

667 views

0 votes

1 answer

10

GATE DS&AI 2024 | Question: 28
Consider the following Python code: def count(child_dict, i): if i not in child_dict.keys(): return 1 ans $=1$ for $j$ in child_dict[i]: ans $+=$ count (child_dict, j) return ans child_dict $=$ dict () child_dict $[0]=[1,2]$ child_dict $[1]=[3,4,5]$ ... $)$ ) Which ONE of the following is the output of this code? $6$ $1$ $8$ $9$

Arjun asked in Programming in Python Feb 16

by Arjun

792 views

0 votes

2 answers

11

GATE DS&AI 2024 | Question: 31
Consider the following Python function: def $\operatorname{fun}(D, s 1, s 2)$ : if $\mathrm{s} 1<\mathrm{s} 2$ ... both inclusive. It swaps the elements in $\mathrm{D}$ at indices $\mathrm{s} 1$ and $\mathrm{s} 2$, and leaves the remaining elements unchanged.

Arjun asked in Programming in Python Feb 16

by Arjun

867 views

3 votes

2 answers

12

GATE CSE 2024 | Set 2 | Question: 3
Consider the following $\text{C}$ program. Assume parameters to a function are evaluated from right to left. #include <stdio.h> int g( int p) { printf("%d", p); return p; } int h(i nt q) { printf("%d", q) ... one of the following options is the CORRECT output of the above $\text{C}$ program? $20101020$ $10202010$ $20102010$ $10201020$

Arjun asked in Programming in C Feb 16

by Arjun

3.2k views

3 votes

1 answer

13

GATE CSE 2024 | Set 2 | Question: 23
Consider the following $\mathrm{C}$ function definition. int f X(char * a) { char * b = a; while (*b) b ++; return b - a; } Which of the following statements is/are TRUE? The function call $\text{f X("a b c d''}$) will ... ${ }^{*} \mathrm{C}=$ "abcd" in main (), the function call $\mathrm{fX}(\mathrm{c})$ will always return a value

Arjun asked in Programming in C Feb 16

by Arjun

2.1k views

2 votes

2 answers

14

GATE CSE 2024 | Set 2 | Question: 26
What is the output of the following $\text{C}$ program? #include <stdio.h> int main() { double $a[2]=\{20.0,25.0\},{ }^{*} \mathrm{p},{ }^{*} \mathrm{q}$; $\mathrm{p}=\mathrm{a} ;$ $q=p+1 ;$ printf("%d,%d", (int) $(q-p),($ int $\left.)\left({ }^{*} q-{ }^{*} p\right)\right)$; return $0$ ; } $4,8$ $1,5$ $8,5$ $1,8$

Arjun asked in Programming in C Feb 16

by Arjun

2.5k views

3 votes

2 answers

15

GATE CSE 2024 | Set 2 | Question: 32
Consider an array $\mathrm{X}$ that contains $\mathrm{n}$ positive integers. A subarray of $\mathrm{X}$ is defined to be a sequence of array locations with consecutive indices. The $\mathrm{C}$ code snippet given below has been written to compute the length of the longest ... $\text{(P) } \text{len} 2+1$ $\text{(Q) } \text{len} 1+1$

Arjun asked in Programming in C Feb 16

by Arjun

1.7k views

1 vote

1 answer

16

GATE CSE 2024 | Set 2 | Question: 38
Let $\mathrm{S} 1$ and $\mathrm{S} 2$ be two stacks. $\mathrm{S} 1$ has capacity of $4$ elements. $\mathrm{S} 2$ has capacity of $2$ elements. $\text{S1}$ already has $4$ elements: $100,200,300$, and $400$ ... output sequences can be generated by using the above operations? $100,200,400,300$ $200,300,400,100$ $400,200,100,300$ $300,200,400,100$

Arjun asked in DS Feb 16

by Arjun

1.7k views

3 votes

3 answers

17

GATE CSE 2024 | Set 1 | Question: 8
Consider the following $\mathrm{C}$ program: #include <stdio.h> int main() { int a=6; int b = 0; while (a<10) { a = a / 12+1 ; a += b ;} printf ("%d", a); return 0 ; } Which one of the following ... The program prints $9$ as output The program prints $10$ as output The program gets stuck in an infinite loop The program prints $6$ as output

Arjun asked in Programming in C Feb 16

by Arjun

5.5k views

1 vote

3 answers

18

GATE CSE 2024 | Set 1 | Question: 9
Consider the following $\mathrm{C}$ program: #include <stdio.h> void fX () { void fX () ; char a; int main() { if ((a=g e t c h a r()) ! = '\n') fX}() ; fX(); return 0 ; if (a ! ... program will not terminate The program will terminate with no output The program will terminate with $4321$ as output The program will terminate with $1234$ as output

Arjun asked in Programming in C Feb 16

by Arjun

2.7k views

0 votes

2 answers

19

GATE CSE 2024 | Set 1 | Question: 33
Consider a binary min-heap containing $105$ distinct elements. Let $k$ be the index (in the underlying array) of the maximum element stored in the heap. The number of possible values of $k$ is $53$ $52$ $27$ $1$

Arjun asked in DS Feb 16

by Arjun

1.9k views

2 votes

1 answer

20

GATE CSE 2024 | Set 1 | Question: 38
Consider the following $\mathrm{C}$ function definition. int $\mathrm{f}$ (int $\mathrm{x}$, int $\mathrm{y})$ { for (int $i=0 ; i<y ; i++$ ) { $\mathrm{x}=\mathrm{x}+\mathrm{x}+\mathrm{y}$; } return $\mathrm{x}$; } Which of the ... $2^{10}$ If the inputs are $x=10, y=20$, then the return value is greater than $2^{20}$

Arjun asked in Programming in C Feb 16

by Arjun

1.9k views

5 votes

1 answer

21

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 16
Consider the following C code: double A[2][3] = {{1, 2, 3}, {4, 5, 6}}; Assume that A[0] = 0xFFAA0000 and the sizeof(double) is 8. What will be the value of `A[1]`? 0xFFAA0024 0xFFAA0003 0xFFAA000C 0xFFAA0018

GO Classes asked in Programming in C Feb 5

484 views

5 votes

2 answers

22

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 27
What is a statically allocated variable in C programming? A variable allocated at an absolute address in a program’s data space A variable allocated on the stack A variable allocated on the heap A variable which can NOT be defined as local variable

GO Classes asked in Programming in C Feb 5

340 views

7 votes

2 answers

23

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 33
On a $64$-bit system, which of the following C expressions is equivalent to the C expression $(x[2]+4)[3]?$ Assume $\mathrm{x}$ is declared as $\textsf{int}\ast \ast \textsf{x}$ $\ast((*(x+16))+28)$ $\ast((*(x+2))+7)$ $\ast(((* x)+2)+7)$ $(* \ast(x+2)+7)$

GO Classes asked in Programming in C Feb 5

427 views

4 votes

1 answer

24

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 34
Suppose you implement a queue using a singly linked list with head and tail pointers so that the front of the queue is at the tail of the list, and the rear of the queue is at the head of the list. What is the best possible worst-case running ... $O(n)$ for dequeue. $O(n)$ for enqueue and $O(1)$ for dequeue. $O(n)$ for both functions.

GO Classes asked in DS Feb 5

335 views

4 votes

1 answer

25

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 42
The provided C code is a version of the C string library function strlen(), which calculates the length of a given string. unsigned int mystrlen(char *c) { unsigned int i = 0; /* Your code here. */ } Which line of code creates a working and ... != '\0') i++; return i; while (*(c + i) != '\0') ++i; return i;

GO Classes asked in Programming in C Feb 5

379 views

4 votes

1 answer

26

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 43
What will be the output of the following C program? #include <stdio.h> void Mickey(int**, int, int); void Mouse(int, int*); int main() { int a = 2, b = 3, c = 4; int *points = &a; Mickey(&points, b, c); printf("%d", ... x; *p = **points+1; Mouse(z, p); return; } void Mouse(int z, int *p) { *p = *p+1; return; }

GO Classes asked in Programming in C Feb 5

373 views

5 votes

2 answers

27

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 44
Let $B$ be a binary search tree (BST) with eight nodes filled with the following set of eight integer keys $A=\{10,2,5,3,20,15,9,22\}$. The order in which these keys were inserted to create $B$ is not known. However ... are required to verify if all eight keys of $A$ are present in $B$. How many leaf nodes are present in B?

GO Classes asked in DS Feb 5

431 views

7 votes

1 answer

28

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 45
Consider a stack whose elements are unsigned integers and support the following operations: PUSH a: Pushes the element 'a' onto the stack. ADD: Adds the two topmost elements, removes them, and pushes the result. SQR: ... once, count it as many times as it is used. Your final count should include initial 3 PUSH instructions.

GO Classes asked in DS Feb 5

494 views

4 votes

1 answer

29

GO Classes Test Series 2024 | Mock GATE | Test 14 | Question: 54
Consider the following pseudocode procedure. Which of the following best describes procedure mystery? It returns a list of numbers from 1 to $n$. It prints every third number from 1 to $n$. It returns the sum of the numbers from 1 to $\mathrm{n}$. It returns the sum of the multiples of 3 from 1 to $n$.

GO Classes asked in Programming in C Feb 5

205 views

0 votes

0 answers

30

Memory Based GATE DA 2024 | Question: 20
Consider the following Python code: S[1] = [1] x = [6, 3, 5, 4, 10] for i in range(2, len(x)): S[i] = [1] if x[i - 1]

GO Classes asked in Programming Feb 4

105 views

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