Hot questions in Programming and DS / GATE Overflow for GATE CSE

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2431

GO Classroom(Linked List)
Is my analysis correct? I analyze code that if it will take 1->2->3 and 4->1->2 as input then output will be reverse of 5->3->2 i.e. 2->3->5 Why code is showing runtime error? #include<stdio.h> #include<stdlib.h> ... , 0); reverse( rsum, &sum); printf("The sum is : "); printList(sum); printf("\n"); return 0; }

Is my analysis correct?I analyze code that if it will take 1->2->3 and 4->1->2 as inputthen output will be reverse of 5->3->2 i.e. 2->3->5Why code is showing runtime erro...

srestha

493 views

srestha asked Aug 11, 2018

0 votes

0 answers

2432

Made Easy test series DS
Consider the following function with a Binary Tree with atleast one node: int path (struct node *x, int len) { if(x==null) return B; else return A; } Assume the above function is used to check the given binary tree has any path with specified length from root to the leaf node . Let ... , B is (len=1) d) A is path(x -->left, len) || path(x--> right, len), B is (len=1)

Consider the following function with a Binary Tree with atleast one node:int path (struct node *x, int len){if(x==null) return B;else return A;} Assume the above function...

Sambhrant Maurya

615 views

Sambhrant Maurya asked Jul 27, 2018

0 votes

1 answer

2433

Pointers in C
What is a variable pointer? please note the question is not asking about pointer variables, but the specific term.

What is a variable pointer? please note the question is not asking about pointer variables, but the specific term.

Prakhar Yadav 1

529 views

Prakhar Yadav 1 asked Aug 6, 2018

0 votes

1 answer

2434

array
anyone please explain me how to find loc in lower triangular matrix , i am getting little bit confuse suppose matrix is 1 2 3 4 1 a11 a12 a13 a14 2 a21 a22 a23 a24 3 a31 a32 a33 a34 4 a41 a42 a43 a44 now i have to find location of a[4] b[3]:- given BA=1000 C=1 =1000+ [(4-1) * ((3)(4))/2 +(3-1)]*1 by this way i we get answer but something wrong please exolplain

anyone please explain me how to find loc in lower triangular matrix , i am getting little bit confuse suppose matrix is ...

air1ankit

692 views

air1ankit asked Jul 12, 2018

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0 answers

2435

Data structures
Is there any graph whose number of BFS and DFS traversals are different?If so which graph.

Is there any graph whose number of BFS and DFS traversals are different?If so which graph.

AIkiran01

645 views

AIkiran01 asked Aug 5, 2018

0 votes

0 answers

2436

#Go Classroom DataTypes
https://gatecse.in/data_types_operators_in_c/ Q7. #include <stdio.h> int main() { char *p = "Hello World"; char q[] = "Hello World"; printf("%zd %zd", sizeof p, sizeof *p); printf("\n"); printf("%zd %zd", ... the char array Is it correct? What will sizeof *p and sizeof *q give? I am getting the output as 4 1 12 1

https://gatecse.in/data_types_operators_in_c/ Q7. #include <stdio.h>int main(){ char *p = "Hello World"; char q[] = "Hello World"; printf("%zd %zd", sizeof p, s...

Bhagyashree Mukherje

453 views

Bhagyashree Mukherje asked Aug 10, 2018

0 votes

1 answer

2437

CAN"T UNDERSTAND!HOW TO PROCESS WHEN ADRESS RECEIVED BY POINT OF POINTER VARIABLE AS FUNCTION ARGUMENT!!!

CHïntän ÞäTël

420 views

CHïntän ÞäTël asked Jul 30, 2018

0 votes

0 answers

2438

Link List
Option B ? Following is a function Mystery() which takes a list and sorts it. Line 1 and Line 2 are left blank intentionally.

Option B ? Following is a function Mystery() which takes a list and sorts it. Line 1and Line 2 are left blank intentionally.

HeadShot

452 views

HeadShot asked Aug 12, 2018

0 votes

1 answer

2439

Recurrence Relation
Solve the following recurrence relation :- N(h)=N(h−1)+N(h−2)+1

Solve the following recurrence relation :-N(h)=N(h−1)+N(h−2)+1

bts

547 views

bts asked Jul 27, 2018

0 votes

0 answers

2440

Programming With C
Please provide solution

Please provide solution

rohan.1737

292 views

rohan.1737 asked Aug 17, 2018

0 votes

2 answers

2441

Online test series
#include<stdio.h> int f(int x,int *py,int **ppz){ int y,z; **ppz+=1; z=**ppz; *py+=2; y=*py; x+=3; return(x+y+z); } void main(){ int c,*b,**a; c=4; b=&c; a=&b; printf("%d",f(&c,b,a)); return 0; } Here why doesn't the value of x increment even though the pointers are changed by value? Why is the answer 19 and not 22?

#include<stdio.h>int f(int x,int *py,int ppz){ int y,z; ppz+=1; z= ppz; *py+=2; y=*py; x+=3; return(x+y+z);}void main(){ int c,*b, a; c=4; b=&c; a=&b; print...

Satwik Mishra 1

1.8k views

Satwik Mishra 1 asked Sep 20, 2017

0 votes

0 answers

2442

Link List

HeadShot

467 views

HeadShot asked Aug 12, 2018

0 votes

1 answer

2443

Testbook testseries

Avik Chowdhury

329 views

Avik Chowdhury asked Aug 10, 2018

2 votes

1 answer

2444

Switch
case : 'AB' is it valid to write multiple characters in single quotes? And if valid does ASCII value of a& b gets added and stored as integral constant? Thanks

case : 'AB' is it valid to write multiple characters in single quotes?And if valid does ASCII value of a& b gets added and stored as integral constant?Thanks

Mayankprakash

574 views

Mayankprakash asked Jul 15, 2018

1 votes

1 answer

2445

MadeEasy Test Series 2018: Programming & DS - Programming In C
Please help to explain- why option A is incorrect?

Please help to explain- why option A is incorrect?

Mamta Satywali

346 views

Mamta Satywali asked Jan 15, 2018

1 votes

1 answer

2446

Ace Test series
What will be the output?

What will be the output?

Sambhrant Maurya

620 views

Sambhrant Maurya asked Jul 24, 2018

0 votes

1 answer

2447

Atomic operation(s) permissible on Semaphores is/are - (a) stop (b) wait (c) hold (d) signal

MaaHii sHarma

274 views

MaaHii sHarma asked Aug 5, 2018

1 votes

1 answer

2448

Modify question gate 2003
A data structure is required for storing a set of integers such that each of the following operations can be done in O(logn) time, where n is the number of elements in the set. Deletion of the smallest element Insertion of an element. Which of the following data ... balance Bst also it should be O(logn) as for balancing it will take O(logn) time . Correct me if i am wrong

A data structure is required for storing a set of integers such that each of the following operations can be done in O(logn) time, where n is the number of elements in th...

Prince Sindhiya

360 views

Prince Sindhiya asked Jul 28, 2018

2 votes

1 answer

2449

Assignment Gate DSA 2014
#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); } (a) ab (b) cd (c) ef (d) gh

#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...

Prayag

457 views

Prayag asked Jul 16, 2018

0 votes

3 answers

2450

C programming
How many times will the loop execute? What is the general expression in terms of 'n'? for( i=1; i<=n; i=i*3) { for( j=i; j<=n; j++) { printf ( "ravi"); } }

How many times will the loop execute?What is the general expression in terms of 'n'?for( i=1; i<=n; i=i*3) { for( j=i; j<=n; j++) { printf ...

rishabhgupta12

539 views

rishabhgupta12 asked Jul 19, 2018

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