Recent questions in Programming

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1

Self-Doubt:Program
Can someone tell me, why these two same program giving different output?Is there any problem in code or compiler not producing right? Program1 Program2 [closed]

asked May 6, 2019 in Programming by srestha Veteran (119k points) | 93 views

0 votes

1 answer

2

Array of Pointers-Self Doubt
$1)$ How to access array element with array of pointers? By pointer to an array we can access like this $(*a)[0]$,$(*a)[22]$, .. like this right? but how with array of pointer? $2)$Check these three codes , one of them use array and one of them use ... main(void) { if(*(ptr+5)==*(ptr+3)){ printf("Equal"); } else{ printf("Not Equal"); } return 0; }

asked May 5, 2019 in Programming by srestha Veteran (119k points) | 136 views

+1 vote

1 answer

3

Made Easy Test Series:Programming-String
#include<stdio.h> #include<string.h> int main(void) { char *a="MADEEASY"; char *b="GATECSIT2019"; char *r=a; char *s=b; printf("%d",(int)strlen(b+3[r]-1[s])); return 0; } Ans is given $8.$ I know basic thing, but couldnot getting what strlen(b+3[r]-1[s]) returning?? Plz explain.

asked May 4, 2019 in Programming by srestha Veteran (119k points) | 145 views

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4

Doubt on Program:Self Doubt
#include <stdio.h> int main(void) { int s[6]={128,256,512,1024,2048,4096}; int *x=(int*)(&s+1); printf("%d",x); return 0; } #include <stdio.h> int main(void) { int s[6]={128,256,512,1024,2048,4096}; int *x=(int*)(&s+1); printf("%u",x); return 0; } Why both are printing different address? Is it not a fixed address of memory??

asked May 4, 2019 in Programming by srestha Veteran (119k points) | 79 views

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5

Made Easy Test Series:Programming-Function Call
Consider the following program: void A(int n){ printf("*"); if(n>1){ A(n/4); A(n/4); A(n/4); A(n/4); } } Let $X$ be number of asterisks printed by above function when $n=1024.$ Then the value of $X$ will be ____________ How ans will be $\frac{4^{k+1}-1}{3}$ , where $k=5?$ .

asked May 4, 2019 in Programming by srestha Veteran (119k points) | 114 views

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6

Made Easy Test Series:DS-Array
Consider the integer array $A\left [ 1.........100,1.......100 \right ]$ in which the elements are stored in $Z$ representation. An example of a $5\times 5$ array in $Z$ representation is shown below: If the base address of $A$ is ... $A$ is stored in Row Major Order, then the address corresponding to $A\left [ 100 \right ]\left [ 55 \right ]$ is ________________

asked May 4, 2019 in Programming by srestha Veteran (119k points) | 89 views

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1 answer

7

Made Easy Test Series: Programming-Recursive and Iterative Program
$I=$Iterative Program $R=$ Recursive Program $(A)$ For every program belonging to class $I$, there is an equivalent program to class $R.$ $(B)$ Every program in $R$ uses strictly more stack space compared to equivalent program in $I.$ Among $(A)$ and $(B)$ which one is correct?

asked May 3, 2019 in Programming by srestha Veteran (119k points) | 29 views

+1 vote

1 answer

8

IIT Madras MS written test 2019 - C prog.
for(; i != 0; --i) { printf("\nIITM"); --i; } If i is initialized to 100, then IITM will be printed 50 times If i is initialized to 101, then IITM will be printed 51 times Both I and II are true I is true, II is false I is false, II is true Both I and II are false

asked May 2, 2019 in Programming by SPluto Junior (677 points) | 88 views

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0 answers

9

Argument passing in function by assigning value to a variable as argument.
Can we assign a value to a variable in calling a function as function argument? Ex- Int Func c( int); Int i =3; Void main(){ Fun c ( i=3)} Int Func c (int x) { Int x++; return x; } Please pardon me as the code above is not accurate but can give an idea of what i am trying to ask.

asked Apr 29, 2019 in Programming by ranarajesh495 (57 points) | 67 views

+1 vote

1 answer

10

IIIT PGEE 2019
What is the time complexity to delete an arbitrary node from binary heap? O(n) O(log n) O(1) O(n log n)

asked Apr 29, 2019 in Programming by manikgupta123 (81 points) | 170 views

+3 votes

2 answers

11

PGEE 2019
for(int i=0; i<=100;i++) { if (i % 3 == 0) printf("Great); if(i%5 == 0) printf("India"); } Count the number of times GreatIndia is printed. 6 20 33 none of these

asked Apr 29, 2019 in Programming by manikgupta123 (81 points) | 277 views

+2 votes

1 answer

12

IIIT PGEE 2019
What is the time complexity for insertion in binary tree in worst case? O(1) O(log n) O(n) O(n log n)

asked Apr 29, 2019 in Programming by manikgupta123 (81 points) | 194 views

0 votes

1 answer

13

Made Easy Test Series:Programming
Consider the following C program #include<stdio.h> int main(){ char *arr={"GATE","CAT","IES","IAS","PSU","IFS"}; call(arr); return 0; } void call(char **ptr){ char **ptr1; ptr1=(ptr+=(sizeof(int)))-2; printf("%s",*ptr1); } Assume size of int pointer 4B.What will be output?

asked Apr 25, 2019 in Programming by srestha Veteran (119k points) | 121 views

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1 answer

14

Made Easy Test Series:Programming & DS
Suppose a queue $Q$ and two stacks $S_{1}$ and $S_{2}$ as given below. void enqueue(Q,x){ push(S1,x); } void dequeue(Q,x){ if(stack-empty(S2))then if(stack-empty(S1))then{ print("Q is empty"); return; } else while ... $Enqueue(4),Enqueue(3),Enqueue(2),Dequeue, Enqueue(6),Dequeue,Dequeue, Dequeue,Enqueue(5)$ Please tell value of X and Y are u getting

asked Apr 24, 2019 in Programming by srestha Veteran (119k points) | 92 views

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2 answers

15

Made Easy Test Series: Programming
Consider the function give below, which should return the index of first zero in input array of length $n$ if present else return $-1.$ int index of zero(int[ ] array,int n){ for(int i=0; P ;i++); if(i==n){ return -1; } return i; } What should be placed ... at P',So that code will work fine? $A)$array[i]!=0 && i<=n $B)$ array[i]!=0 && i<n

asked Apr 24, 2019 in Programming by srestha Veteran (119k points) | 119 views

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1 answer

16

#pointer #output #error-assignment-makes-pointer-from-integer-without-a-cast #self-doubt

asked Apr 24, 2019 in Programming by debasree88 (287 points) | 157 views

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1 answer

17

IIIT H 2018
Assume that an integer and a pointer each takes 4 bytes. Also assume there is no alignment in objects. Predict the output #include <iostream> using namespace std; class Test{ static int x; int *ptr; int y; }; int main() { // your code goes here Test t; int a; cout<<sizeof(t)<<"\n"; cout<<sizeof(Test *); return 0; }

asked Apr 23, 2019 in Programming by N (481 points) | 126 views

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1 answer

18

what is output of program
int main(); { int a,*b,**c,***d,****e; a=10; b=&a; c=&b; d=&c; e=&d; print f(“a=%d b=%u c=%u d=%u e=%u e=%u\n”, a,b,c,d,e); print f(“ %d %d %d \n”,a,a+*b,**c+***d+,****e); return 0; }

asked Apr 12, 2019 in Programming by altamash (445 points) | 74 views

–1 vote

0 answers

19

what is output
void fun(int,int*); int main() { int=-5,j=-2; fun(i,&j); print f(“i=%d j=%d\n”,i,j); return 0; } void fun(int i,int *j) { i=i*i; *j=*j * *j; }

asked Apr 12, 2019 in Programming by altamash (445 points) | 47 views

0 votes

1 answer

20

Self doubt - Programming
X=2; Y=++x * ++x * ++x ; Printf("%d",Y); In the above question, we have to use the final value of x or it will be evaluated seperately and then multiplied. Ex: Y= 3*4*5; or Y=5*5*5; [closed]

asked Apr 11, 2019 in Programming by Ashish Roy 1 (167 points) | 124 views

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21

GATE 1999
Consider the following C function definition: int trial (int a,int b,int c) { if ((a>=b) && (c<b)) return b; else if (a>=b) return Trial(a,c,b); else return Trial(b,a,c); } The function Trial : A) Finds the maximum of a,b,c B) Finds the minimum of a,b,c C)Finds the middle number of a,b,c D) None of these [closed]

asked Apr 10, 2019 in Programming by Aishvarya Akshaya Vi (41 points) | 57 views

0 votes

1 answer

22

dynamic allocation doubt
What will happen if using MALLOC ( ) we allocate entire memory from heap and we don't free it using FREE( ) ? what will happen next ?

asked Apr 10, 2019 in Programming by hitendra singh Active (1.7k points) | 30 views

0 votes

0 answers

23

book name is" test ur c aptitude" i m not understanding 1st line of code
explain little bit more in easy way

asked Apr 8, 2019 in Programming by saket nandan Active (5.1k points) | 51 views

–2 votes

0 answers

24

book name is" test ur c aptitude"
plzzz explain how this code is executed

asked Apr 8, 2019 in Programming by saket nandan Active (5.1k points) | 74 views

+1 vote

1 answer

25

ISI2017-PCB-CS-2(b)
Write a $C$ program to fins all permutations of a string (having at most 6 characters). For example, a string of $3$ characters like $“abc"$ has 6 possible permutations: $“abc", “acb", “bca", “bac", “cab", “cba".$

asked Apr 8, 2019 in Programming by akash.dinkar12 Boss (42.4k points) | 79 views

0 votes

1 answer

26

#arrays
i write this program, during initialization of array i given the size as 11 means the number of elements stored in an array is 11. as we know array is not assigned a value of index 12 and above. but in in the program array a is initialized of index from 0 to 19,my question is how the array is ... i=0;i<20;i++) { a[i]=i+1; } for(i=0;i<20;i++) { printf("%d\n",a[i]); } }

asked Apr 7, 2019 in Programming by shiva0 (171 points) | 155 views

0 votes

1 answer

27

#Dynamic memory allocation malloc
how to know how much size is allocated while dynamically allocating memory to the pointer variable with malloc. i just write the below code to know the size of ptr2 after dynamically allocating memory. i want the output is 10 but it is displaying as 2 as ... allocation failed"); else{ printf("size of *ptr2 is == %d\n",(sizeof(ptr2)/sizeof(int))); } }

asked Apr 6, 2019 in Programming by shiva0 (171 points) | 58 views

0 votes

2 answers

28

#userdefined Data type union in C
What is the output of the program? int main() { union a { int i; char ch[2]; }; union a u; u.ch[0] = 3; u.ch[1] = 2; printf("%d, %d, %d", u.ch[0], u.ch[1], u.i); return 0; }

asked Apr 3, 2019 in Programming by shiva0 (171 points) | 95 views

+1 vote

1 answer

29

c structures
struct node { int data1; char data2; struct node* link; }; //self referential structure *************************************** struct node { int data1; char data2; } m; int main () { struct node * ptr; return 0; } are both pointer ptr & link will do same work every where? All I need to ask is difference between self referential structure and Pointer to Structure ?

asked Apr 3, 2019 in Programming by hitendra singh Active (1.7k points) | 41 views

0 votes

0 answers

30

Programming:Self Doubt
Can somebody explain this code line by line. I am unable to get and what will be it's output? #include<stdio.h> #include<stdlib.h> void transpose(int n, const double *A, double *B, const int *lda, int *perm) { } int transpose_equal(const double *A, ... , B, r_dim, r_perm); transpose_equal(A, B, total); free(A); free(B); free(B_trans); printf("\n"); } }

asked Apr 3, 2019 in Programming by srestha Veteran (119k points) | 67 views

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author	user:martin
title	title:apple
content	content:apple
exclude	-tag:apple
force match	+apple
views	views:100
score	score:10
answers	answers:2
is accepted	isaccepted:true
is closed	isclosed:true

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