Most answered questions in Programming and DS / GATE Overflow for GATE CSE

0 votes

1 answer

1841

ISI2020-PCB-CS: 1.1
Consider the two $\mathrm{C}$ programs given below. C-CODE (I) #include<stdio.h> int main() { int n=2, *ptr=&n ; n*=3; printf ("%d", (*ptr**ptr)*(*ptr**ptr)); } C-CODE(II) #include<stdio.h> int main() { int n=2, *ptr=&n ; n*=3; ... $1296$ Output of (I) is $1296$ and (II) is $216$ Output of both (I) and (II) is $1296$ None of the above

Consider the two $\mathrm{C}$ programs given below.C-CODE (I)#include<stdio.h int main() { int n=2, *ptr=&n ; n*=3; printf ("%d", (*ptr ptr)*(*ptr ptr)); }C-CODE(II)#incl...

admin

395 views

admin asked Aug 8, 2022

4 votes

1 answer

1842

GO Classes Scholarship 2023 | Test | Question: 14
Consider the following C program given below. #include<stdio.h> main() { int a = 4; switch (a) { a--; case 4: printf("Science "); break; default: printf("Technology "); case ... ;Philosophy"); } } What will be the output of the program? Science Knowledge Philosophy Technology Knowledge Philosophy Science Knowledge

Consider the following C program given below.#include<stdio.h main() { int a = 4; switch (a) { a ; case 4: printf("Science "); break; default: printf("Technology "); case...

GO Classes

652 views

GO Classes asked Aug 6, 2022

3 votes

1 answer

1843

GO Classes Scholarship 2023 | Test | Question: 15
Consider Figure $\text{A}$ and Figure $\text{B}$ which represent $4$ bit signed and unsigned numbers respectively in $2's$ complement system. Assume that a few variables are defined below and initialized in such a way that places them in the spot shown in Figure ... of the following(s) is/are true? $s3 > u3$ $s1 > s3$ $u1 > u3$ $s1 > u3$

Consider Figure $\text{A}$ and Figure $\text{B}$ which represent $4$ bit signed and unsigned numbers respectively in $2’s$ complement system.Assume that a few variables...

GO Classes

746 views

GO Classes asked Aug 6, 2022

5 votes

1 answer

1844

GO Classes Scholarship 2023 | Test | Question: 19
Consider the following declaration of variable a in C program (row-major order). int a[3][4][5]; Which of the following(s) is/are TRUE about pointer arithmetic operations? Value of $a[2]-a[1]$ is $4$ Value of $a[1][2]-a[0][3]$ is $15$ Value of $a[0][10]-a[1][0]$ is $30$ Value of $a[2]-a[1]$ is $5$

Consider the following declaration of variable a in C program (row-major order).int a[3][4][5];Which of the following(s) is/are TRUE about pointer arithmetic operations?V...

GO Classes

770 views

GO Classes asked Aug 6, 2022

2 votes

1 answer

1845

GO Classes Scholarship 2023 | Test | Question: 20
Consider the following declarations of a few variables. int (*p1)[3]; int (*p2)[3]; int (*t1)[2]; int (*t2)[2]; Let the initial values of $p1, p2, t2$ and $t1$ are $1000, 1036, 2000$ and $2040$ respectively. Consider ... is correct but $\text{S2}$ is incorrect $\text{S2}$ is correct but $\text{S1}$ is incorrect Both are correct Both are incorrect

Consider the following declarations of a few variables.int (*p1)[3]; int (*p2)[3]; int (*t1) ; int (*t2) ;Let the initial values of $p1, p2, t2$ and $t1$ are $1000, 1036,...

GO Classes

592 views

GO Classes asked Aug 6, 2022

3 votes

1 answer

1846

GO Classes Scholarship 2023 | Test | Question: 21
Let arrays OneD and TwoD are declared as follows as: int OneD[10]; int TwoD[4][5]; Which of the following is/are valid syntax to pass OneD and TwoD to some function fun()? A syntax is valid if it gets compiled without any warning or error. void fun(int OneD[10]); void fun(int OneD[5]); void fun(int TwoD[][5]); void fun(int **TwoD);

Let arrays OneD and TwoD are declared as follows as:int OneD[10]; int TwoD[4][5];Which of the following is/are valid syntax to pass OneD and TwoD to some function fun()?A...

GO Classes

711 views

GO Classes asked Aug 6, 2022

4 votes

1 answer

1847

GO Classes Scholarship 2023 | Test | Question: 22
Consider below two program fragments. Assume malloc is always successful, and sizes are as follows - sizeof (int *)=8 bytes sizeof ( double)=8 bytes sizeof ( char )=1 byte sizeof ( int )=4 byte Program 1 int **p; p = (int ... run time error, but Program $1$ will run fine. Both programs will always run fine. Both programs may produce run time errors.

Consider below two program fragments.Assume malloc is always successful, and sizes are as follows -sizeof (int *)=8 bytes sizeof ( double)=8 bytes sizeof ( char )=1 byte ...

GO Classes

661 views

GO Classes asked Aug 6, 2022

5 votes

1 answer

1848

GO Classes Scholarship 2023 | Test | Question: 23
#include <stdio.h> int main() { int i= 255; short int *s= (short int *)&i; printf("%d\n", *s); } What will be the output of the above program in little-endian and big-endian, respectively? $(65280\text{ is } 255\times2^8)$ $255,\; 0$ $65280,\; 0$ $0,\;0$ $0,\; 65280$

#include <stdio.h int main() { int i= 255; short int *s= (short int *)&i; printf("%d\n", *s); }What will be the output of the above program in little-endian and big-endia...

GO Classes

634 views

GO Classes asked Aug 6, 2022

2 votes

1 answer

1849

GO Classes Scholarship 2023 | Test | Question: 24
Consider the following function $\text{magic5().}$ void magic5(int x, int y){ if (condition) printf("magic"); } What condition we can write in “if-statement” such that $\text{magic5(5,5)}$ will print magic? !(x==5)!=!(y==5) (x==5)?!(y==5):(x==5) ((x==5)||(y==5))&&!((x==5)&&(y==5)) None of these

Consider the following function $\text{magic5().}$void magic5(int x, int y){ if (condition) printf("magic"); }What condition we can write in “if-statement” such that ...

GO Classes

338 views

GO Classes asked Aug 6, 2022

3 votes

1 answer

1850

GO Classes Scholarship 2023 | Test | Question: 28
What will be the output of the following program? #include<stdio.h> struct _go{ char b[20]; char *a; struct _go *c; }x[2] = {"GATE", "2023", x+1, "GO", "Classes", x}, *p = x; typedef struct_go go; go ... ;c, n-2); } int main() { printf("%s",mystry(p,2023)->a); } GATE $2023$ Run time error GO

What will be the output of the following program?#include<stdio.h struct _go{ char b[20]; char *a; struct _go *c; }x = {"GATE", "2023", x+1, "GO", "Classes", x}, *p = x;...

GO Classes

758 views

GO Classes asked Aug 6, 2022

0 votes

1 answer

1851

Recursive function
Consider the following recursive function which is used by dynamic programming. T(n) = { 0; if n<1 1; if n=1 T(n-1)+T(n-2)+1; if n>1} Assume for every function call T(i) it checks the table first , if it's value is ... of 'n' so that overflow cannot occur . ( Assume system allocate 4 byte to each stack entry which is sufficient for storing required data.)

Consider the following recursive function which is used by dynamic programming. T(n) = { 0; if n<1 1; if n=1 T(n-1)+T(n-2)+1; if n>1}Assume ...

Manisha Jaishwal

672 views

Manisha Jaishwal asked Aug 6, 2022

1 votes

1 answer

1852

data structure and algorithms -- linked list -- size of a node
as we allocate the space for node in linked list using malloc() so how many bytes malloc allocate for the 1 node i.e. actual value of malloc allocates in ram like i write this code. so what is size of a node of linked ... node *)malloc(sizeof(struct node)); printf("%d",sizeof(struct node)); } what the printf prints and why ?

as we allocate the space for node in linked list using malloc() so how many bytes malloc allocate for the 1 node i.e. actual value of malloc allocates in ram like i write...

ykrishnay

688 views

ykrishnay asked Aug 5, 2022

0 votes

1 answer

1853

NIELIT 2021 Dec Scientist B - Section B: 21
What will be the output of the following $\text{ C'}$ ... $3\;\;1\;\;2\;\;2\;\;1\;\;3\;\;4$ $3\;\;1\;\;2\;\;1\;\;1\;\;1\;\;2$

What will be the output of the following $\text{‘C’}$ program?void count(int n) { static int d = 1; printf(" %d", n); printf(" %d", d); d++; if (n>1) count (n - 1); p...

admin

270 views

admin asked Jul 21, 2022

0 votes

1 answer

1854

NIELIT 2021 Dec Scientist B - Section B: 32
Consider the following $\text{C}$ function : int f(int n) { static int i = 1; if (n > = 5) return n; n=n + i;i++; return f(n); } The value returned by $\text{f}(1)$ is : $5$ $6$ $7$ $8$

Consider the following $\text{C}$ function :int f(int n) { static int i = 1; if (n = 5) return n; n=n + i;i++; return f(n); }The value returned by $\text{f}(1)$ is :$5$$...

admin

350 views

admin asked Jul 21, 2022

1 votes

1 answer

1855

data structure
Consider a standard Circular Queue ‘q’ implementation (which has the same condition for Queue Full and Queue Empty) whose size is 11 and the elements of the queue are q[1], q[2], ……, q[10]. The front and rear pointer are initialized to point at q[2]. In which position will the ninth element be added?

Consider a standard Circular Queue ‘q’ implementation (which has the same condition for Queue Full and Queue Empty) whose size is 11 and the elements of the queue are...

jugnu1337

541 views

jugnu1337 asked Jul 17, 2022

2 votes

1 answer

1856

I am not able to understand how the value of 'i' is 3 after the execution of the program, it must be 2.

#include <stdio.h int main () { int i, j; int a [8] = {1, 2, 3, 4, 5, 6, 7, 8}; for(i = 0; i < 3; i++) { a[i] = a[i] + 1; i++; } i ; for (j = 7; j 4; j ) { int i = j/2; ...

Hrithik Vashishtha

397 views

Hrithik Vashishtha asked Jul 4, 2022

0 votes

1 answer

1857

BigEndian C compiler
Hi, can anyone please suggest me an online site where I can run code in C and test how the code will act under bid endian environment?

Hi, can anyone please suggest me an online site where I can run code in C and test how the code will act under bid endian environment?

yuyutsu

845 views

yuyutsu asked Jul 3, 2022

0 votes

1 answer

1858

For which of the following does there exist a tree satisfying the specified constraints? (a) A binary tree with 65 leaves and height 6. (b) A binary tree with 33 leaves and height 5.

qweas8671

686 views

qweas8671 asked Jul 2, 2022

0 votes

1 answer

1859

Number of max heaps
Someone please explain the login behind the explanation.

Someone please explain the login behind the explanation.

Overflow04

2.2k views

Overflow04 asked Jun 29, 2022

0 votes

1 answer

1860

Introduction to Alogrithm
Number of max heap possible with n distinct keys.

Number of max heap possible with n distinct keys.

Overflow04

371 views

Overflow04 asked Jun 29, 2022

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