Recent questions and answers in Programming

Recent questions and answers in Programming

0 votes

0 answers 42 views

Doubt about dynamic memory allocation
#include <stdio.h> #include<stdlib.h> int main() { int *x=NULL; x=(int*)malloc(sizeof(int)); *x=37; free(x); int *y=(int*)malloc(sizeof(int)); *y=40; printf("%d %d",*y,*x); return 0; } Output is 40 40 How this is coming?

_Madhuri asked in Programming Sep 7

5 points

42 views

0 votes

0 answers 63 views

DS from MADEEASY postal book package 2022 page number 12

kishanrajput asked in Programming Sep 5

by kishanrajput

5 points

63 views

0 votes

0 answers 28 views

THIS IS A PROGRAM RELATED TO STRUCTURES CONCEPT IN C LANGUAGE

Kaneki asked in Programming Aug 12

by Kaneki

5 points

28 views

0 votes

0 answers 32 views

C LANGUAGE QUESTIONS
/* I HAVE COMMENTED MY ACTUAL QUESTION BELOW*/ #include<stdio.h> struct health{ #include<stdio.h> struct health { long long int mobile_no; int weight; float temperature; char blood_grp[10]; float height; }; int main() { int n; printf("Enter number of ... ;,sh[i].blood_grp); printf("\n%f",sh[i].height); } } return 0; } /* PLEASE CLARIFY MY QUERY*/

Kaneki asked in Programming Aug 12

by Kaneki

5 points

32 views

0 votes

0 answers 37 views

Applied AI
There is a question in the test series of Applied Gate. This is a not a min heap, as far as i can understand. Can someone clarify how this is a min-heap?

Ranjan.ashishmit asked in Programming Aug 12

by Ranjan.ashishmit

5 points

37 views

0 votes

0 answers 35 views

Ace Academy Practice volume-2, Divide and conquer
The worst case time complexity required for an efficient algorithm to compute the number of inversions in any permutation of n elements, stored in an array, are Θ(n^2) Θ(nlogn) Θ (2^n) Θ (n)

abhilashbal asked in Programming Aug 12

5 points

35 views

0 votes

0 answers 16 views

Cprogramming
Write a program to reverse each word of a string and print vowels in a capital letters in the reversed string. Is it possible to do because Strings are immutable.

Kaneki asked in Programming Aug 3

by Kaneki

5 points

16 views

0 votes

0 answers 36 views

Self Doubt from Structure
Why Structures can’t have static members? Also if there is a static function in some file and in another file we are trying to use that function using extern then is it accessible?

Ananya Nayak asked in Programming Aug 1

by Ananya Nayak

5 points

36 views

0 votes

0 answers 20 views

Self doubt
Is global structure a static structure and what do we exactly mean by a static structure?

Ananya Nayak asked in Programming Aug 1

by Ananya Nayak

5 points

20 views

0 votes

0 answers 41 views

Programming In C
Find the output of the program int main(void) { int i,j; for(j=i+1,i=1;i<=5;j++,i++) { printf(“%d%d\n”,i,j); } return 0; }

ShivangiChauhan asked in Programming Jul 24

by ShivangiChauhan

17 points

41 views

0 votes

0 answers 48 views

Programming Paradigms - Cain, Stanford
I was going through the link for best videos in Programming to be able to solve more output based questions in Gate. In the link : https://gatecse.in/best-video-lectures-for-gate-cse/ . It’s given “Doesn’t cover the entire GATE syllabus in programming but useful” Can I know what is missing, and from where to learn for rest of GATE syllabus?

xlr8_r asked in Programming Jul 18

by xlr8_r

5 points

48 views

0 votes

0 answers 61 views

File handling in c
Hi Is File handling topic in c programming is important for gate Or not It is necessary for doing file handling topic for gate ? Thank you

ykrishnay asked in Programming Jul 14

103 points

61 views

0 votes

0 answers 39 views

Self Doubt. My exam question in college
Convert the following expressions using stacks (a) Infix to postfix: ((m+n)*p)-r^s^t (b) Infix to prefix: (E+F^G)*H+J^5

code-death asked in Programming Jul 13

5 points

39 views

0 votes

0 answers 17 views

Recursion
In case of recursion,if there is push operation continuously going on in stack then that program will go for abnormal termination due to stackoverflow??

Vink7389 asked in Programming Jul 8

9 points

17 views

0 votes

0 answers 27 views

Gate 2006
Can you tell me step by step difference between while((i++)%2==0) and while(i++%2==0)

Kanchan0 asked in Programming Jul 4

5 points

27 views

0 votes

0 answers 35 views

C variable scope
What is the scope of an external variable? From the point of declaration to the end of the file being compiled Any source file in a program From the point of declaration to the end of the file in which it is defined Whole source file in which it is defined… Its answer is option A but how? it can be option 3 also.

PPrawal asked in Programming Jul 2

9 points

35 views

0 votes

0 answers 18 views

programing loops
Q 19. for (I=1 ; I<=n ; J++) for (J=I +1 ; J<=n ; J++) for (K=1 ; K<=J ; K++) printf(“pankaj”); how many time pankaj will be printed sole with sumation method

Kunal Sawant asked in Programming Jul 1

by Kunal Sawant

5 points

18 views

0 votes

0 answers 27 views

find meh
// C++ implementation to find the character in first // string that is present at minimum index in second // string #include <bits/stdc++.h> using namespace std; // function to find the minimum index character void printMinIndexChar(string str, string ... in unordered map or not because it only returns true or false but how can we assign the character inside the if condition.

Lekhraj asked in Programming Jun 23

9 points

27 views

0 votes

0 answers 38 views

Made easy workbook c programming question
The correct answer is (b). I am not able to understand how it is the correct answer, please explain.

akshansh asked in Programming Jun 15

15 points

38 views

0 votes

0 answers 33 views

Igate bhilai test gate 2022
What is the output of program? void swap (char *x, char *y) { char *t = x; x = y; y = t; } int main() { char *x = "IGATE"; char *y = "BEST IN CG"; char *t; swap(x, y); printf("(%s, %s)", x, y); t = x; x = y; y ... BEST IN CG, IGATE) (IGATE, BEST IN CG) . C: (IGATE, BEST IN CG) (IGATE, BEST IN CG). D: (BEST IN CG, IGATE) (BEST IN CG, IGATE).

DKY123 asked in Programming Jun 11

by DKY123

15 points

33 views

0 votes

1 answer 50 views

Madeeasy test series gate 2022
The value of k at the end of the execution of following program: int increase(int p) { int amount = 0; amount = amount +p; return(amount); } main( ) { int i, j, k; for(i = 0: i < 4; i++) { for( j = 0: j <=i; j++) { k = increase(j); } } } A) 4 B) 10 C) 20 D) 6

Subhajit Panday answered in Programming Jun 9

by Subhajit Panday

11 points

50 views

0 votes

0 answers 21 views

Madeeasy test series gate 2021
Consider the following C function: void f(int m) { while (m! = 0) { if(!(m &1)) printf("hello"); m = m >> 1; } } The number of times printf("hello") statement is executed, when 2048 is passed to the function ()

DKY123 asked in Programming Jun 8

by DKY123

15 points

21 views

0 votes

0 answers 24 views

Madeeasy test series gate 2021
which of the following is/are illegal after the following declaration int A[10],B[20],*C; A) A=B B) B=A C) A= C D) C=A

DKY123 asked in Programming Jun 8

by DKY123

15 points

24 views

1 vote

1 answer 43 views

Madeeasy test series gate 2022
What does the following function declare int *(*p)(char (*a) []); A)p is a pointer to a function that takes an argument as pointer and returns an integer. B) p is a pointer to a function takes an argument as pointer to a character and ... to a function that takes an argument as array of pointers to characters and returns a pointer to an integer. D) None of these.

Palash yadav answered in Programming Jun 7

by Palash yadav

135 points

43 views

0 votes

0 answers 30 views

Madeeasy test series gate 2022
Which rule of recursion is violated in the following code int rec(int n) { if(n == 0) return 0; else return (n + rec(n/2) +rec(n/2+ 1); } A) No base case B ) Fails to make progress C) It performs redundant work D) No violation

DKY123 asked in Programming Jun 6

by DKY123

15 points

30 views

0 votes

0 answers 28 views

C programming
Write a C macro without using any conditional checks to set or reset a particular bit in a variable based on the third argument. SETRESET (variable, bitposition, set/reset) Could you help me with this??

suryavasu1012 asked in Programming Jun 2

by suryavasu1012

9 points

28 views

0 votes

0 answers 27 views

Reference from GATE IT-2005 (2 marks)
"In Binary tree, for every node the difference between the number of nodes in the left and right subtrees is at most 2." How is this statement valid in case of Left or Right Skewed Binary tree?

Anupreet13 asked in Programming May 2

5 points

27 views

0 votes

0 answers 35 views

Self Doubt in programming
#include <iostream> using namespace std; int main() { int a[3][4][2] = {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; printf("%d", *((*(a+2)-3))[2]); return 0; } How the output of this code coming out to be 15. Can someone please explain this?

CSHuB asked in Programming May 2

by CSHuB

33 points

35 views

0 votes

0 answers 43 views

Memory Allocation for literal constants other than string

akshansh asked in Programming Apr 10

15 points

43 views

1 vote

1 answer 70 views

type conversion in c programming
https://www.onlinegdb.com/edit/r1CBB9EHO #include<stdio.h> int main() { short int i = 10; char c = 'a'; float p = 3.0; short int s = i+c; printf("%d\n", sizeof(short int)); //size of short int is 2 printf("%d\n", ... short int whose size should be 2. */ printf("%d", sizeof(s)); // though here it is 2 which is correct. return 0; }

Konan-kun answered in Programming Apr 5

71 points

70 views

0 votes

0 answers 32 views

c programing storage classes
please explain the difference in extern and global variable both have global scope then what is the difference how they used as in programme

gurichouhan asked in Programming Mar 29

5 points

32 views

0 votes

0 answers 57 views

Jest sample paper question number 7
function mu(a,b:integer) returns integer; var i,y: integer; begin ---------P---------- i = 0; y = 0; while (i < a) do begin --------Q------------ y := y + b ; i = i + 1 end return y end I arrived at the answer that Q=y<a P=y<i

hari1998 asked in Programming Mar 21

5 points

57 views

1 vote

1 answer 65 views

Self doubt Pointers
Please explain how to get the outputs here? void main() { int i=255, j; char *p; p=&i; j=*p; *p=32; printf("%d %d",i,j); } void main() { int i=265, j; char *p; p=&i; j=*p; *p=32; printf("%d %d",i,j); }

krish71 answered in Programming Mar 13

5 points

65 views

0 votes

0 answers 53 views

#pointer properties
#include<stdio.h> int main() { char *s[] = { "knowledge","is","power"}; char **p; p = s; printf("%s ", ++*p); printf("%s ", *p++); printf("%s ", ++*p); return 0; }

Sur_1611 asked in Programming Feb 21

5 points

53 views

0 votes

0 answers 33 views

#operators_pointers_string
#include <stdio.h> #define VAL 32 int main() { char arr[] = "geeksquiz"; *(arr + 0) &= ~VAL; *(arr + 5) &= ~VAL; printf("%s", arr); return 0; }

Sur_1611 asked in Programming Feb 18

5 points

33 views

3 votes

5 answers 1.5k views

GATE CSE 2021 Set 2 | Question: 10 | Video Solution

Arjun asked in Programming Feb 18

by Arjun

1.5k points

1.5k views

0 votes

2 answers 741 views

GATE CSE 2021 Set 2 | Question: 35 | Video Solution

Arjun asked in Programming Feb 18

by Arjun

1.5k points

741 views

1 vote

2 answers 610 views

GATE CSE 2021 Set 1 | Question: 37 | Video Solution

Arjun asked in Programming Feb 18

by Arjun

1.5k points

610 views

0 votes

0 answers 59 views

Made easy test series
Number of sorting algorithms given below that has a time complexity of O(n^2) : Selection sort Merge sort Bubble sort Quick sort Answer for this should be 3, but in made easy test solution they have given answer as 4, can time complexity of merge sort be O(n^2) ??

Ankita87077 asked in Programming Feb 3

11 points

59 views

0 votes

0 answers 26 views

#Space Complexity
#Self Doubt When Space complexity is asked in GATE exam , should we consider only the extra space ( auxiliary space ) that is needed or both the extra space & space required for input As per my understanding we need to take only extra but in Geek For ... is the link Link: https://www.geeksforgeeks.org/g-fact-86/amp/ Please confirm with respect to gate exam point of view.

RohitRo45 asked in Programming Jan 24

5 points

26 views

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