Recent questions and answers in Programming - GATE Overflow

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1

NIELIT 2016 DEC Scientist B (CS) - Section B: 13
What will be output if you will compile and execute the following C code? void main() { printf("%d",sizeof(5.2)); } $4$ $8$ $2$ $16$

answered 4 days ago in Programming by santanu2001 (29 points) | 24 views

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1 answer

2

NIELIT 2017 July Scientist B (CS) - Section B: 5
Following is C like Pseudo code of a function that takes a number as an argument, and uses a stack S to do argument, and uses a stack S to do processing. void fun(int n) { stack S;//Say it creates an empty stack S while(n>0) ... order. Prints binary representation of n. Prints the value of $\log n$. Prints the value of $\log n$ in reverse order.

answered 5 days ago in Programming by akshay7797 Junior (611 points) | 11 views

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1 answer

3

NIELIT 2017 July Scientist B (CS) - Section B: 4
Let A be a square matrix of size $n\times n$. Consider the following program. What is the expected output? C=100 for i=1 to n do for j=1 to n do { Temp=A[i][j]+C A[i][j]=A[j][i] A[j][i]=Temp-C } ... A itself. Transpose of matrix A. Adding $100$ to the upper diagonal elements and subtracting $100$ from diagonal elements of A. None of the option.

answered 5 days ago in Programming by immanujs Active (2.9k points) | 8 views

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1 answer

4

NIELIT 2017 July Scientist B (CS) - Section B: 3
Consider the following function that takes reference to head of a Doubly Linked List as parameter. Assume that a node of doubly linked list has previous pointer as prev and next pointer as next. void fun(struct node **head_ref) { struct node *temp=NULL; struct ... -->3<-->2<-->1 6<-->5<-->4<-->3<-->1<-->2

answered 5 days ago in Programming by immanujs Active (2.9k points) | 7 views

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1 answer

5

NIELIT 2017 July Scientist B (CS) - Section B: 1
What does the following functions do for a given Linked list with first node as head? void fun1(struct node* head) { if(head==NULL) return; fun1(head->next); printf("%d",head->data); } Prints all nodes ... Prints all nodes of linked list in reverse order. Prints alternate nodes of linked List. Prints alternate nodes in reverse order.

answered 5 days ago in Programming by immanujs Active (2.9k points) | 16 views

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1 answer

6

NIELIT 2017 July Scientist B (IT) - Section B: 38
#include<stdio.h> struct st { int x; struct st next; }; int main() { struct st temp; temp.x=10; temp.next=temp; printf("%d",temp.next,x); return 0; } Compiler Error $10$ Runtime Error Garbage Value

answered 5 days ago in Programming by immanujs Active (2.9k points) | 10 views

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1 answer

7

GATE1992-10b
Show the activation records and the display structure just after the procedures called at lines marked $x$ and $y$ have started their execution. Be sure to indicate which of the two procedures named $A$ you are referring to. Program Test; Procedure A; Procedure B; Procedure A; begin …… end A; begin y: A; end B; begin B; end A; begin x: A; end Test

answered 6 days ago in Programming by SatyamK (255 points) | 386 views

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1 answer

8

UGCNET-Dec2006-II: 15
The declaration “unsigned u” indicates : u is an unsigned character. u is an unsigned integer. u is a character. u is a string.

answered 6 days ago in Programming by immanujs Active (2.9k points) | 14 views

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1 answer

9

UGCNET-Dec2006-II: 13
int arr[ ]={1, 2, 3, 4} int count; incr( ) {return ++count;} main( ) { arr[count++]=incr( ); printf(“arr[count]=%d\n”, arr[count]); } The value printed by the above program is : $1$ $2$ $3$ $4$

answered 6 days ago in Programming by immanujs Active (2.9k points) | 25 views

+24 votes

5 answers

10

GATE2015-2-15
Consider the following function written in the C programming langauge : void foo(char *a) { if (*a && *a != ' ') { foo(a+1); putchar(*a); } } The output of the above function on input "$ABCD \ EFGH$" is $ABCD \ EFGH$ $ABCD$ $HGFE \ DCBA$ $DCBA$

answered Apr 1 in Programming by AbhayPrajapati (51 points) | 4.2k views

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1 answer

11

UGCNET-Dec2004-II: 12
Consider the following statements, Int i=4, j=3, k=0; k=++i - --j + i++---j +j++; What will be the values of i, j and k after the statement. $7,2,8$ $5,2,10$ $6,2,8$ $4,2,8$

answered Apr 1 in Programming by aman_0709 (45 points) | 16 views

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1 answer

12

UGCNET-June2005-II: 15
Main() { char *str = "abcde"; printf ("%c", *str++); printf ("%c", *(str++)); printf ("%s", str); } The output of the above $‘C’$ code will be $\text{a a c b c d e}$ $\text{a a c c c d e}$ $\text{a a b c d e}$ None of these

answered Apr 1 in Programming by aman_0709 (45 points) | 26 views

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2 answers

13

UGCNET-June2005-II: 12
Find the output of the following $“C”$ code : main() { int x=20, y=35; x=y++ + x++; y=++y + ++x; printf ("%d, %d\n", x, y) } $55, 93$ $53, 97$ $56, 95$ $57, 94$

answered Mar 31 in Programming by aman_0709 (45 points) | 42 views

0 votes

1 answer

14

NIELIT 2016 MAR Scientist B - Section C: 13
What error would the following function give on compilation? f(int a, int b) { int a; a=20; return a; } Missing parenthesis is return statement. Function should be defined as $int f(int a, int b)$ Redeclaration of a. None of these.

answered Mar 31 in Programming by aman_0709 (45 points) | 39 views

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0 answers

15

NIELIT 2016 MAR Scientist B - Section C: 14
Prior to using a pointer variable it should be declared. initialized. both declared and initialized. none of these.

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 23 views

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0 answers

16

NIELIT 2016 MAR Scientist B - Section C: 45
Control structures include iteration. rendezvous statements. exception statements. all of these.

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 12 views

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0 answers

17

NIELIT 2016 DEC Scientist B (IT) - Section B: 11
What is the meaning of following declaration? $int(*p[7])();$ p is pointer to function p is pointer to such function which return type is array p is array of pointer to function p is pointer to array of function

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 8 views

0 votes

0 answers

18

NIELIT 2016 DEC Scientist B (IT) - Section B: 13
The number of unused pointers in a complete binary tree of depth $5$ is: $4$ $8$ $16$ $32$

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 7 views

0 votes

0 answers

19

NIELIT 2016 DEC Scientist B (IT) - Section B: 25
The keyboard used to transfer control from a function back to the calling function is: switch go to go back return

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 7 views

0 votes

0 answers

20

NIELIT 2016 DEC Scientist B (IT) - Section B: 60
How will you free the allocated memory? remove(var-name) free(var-name) delete(var-name) dalloc(var-name)

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 6 views

0 votes

0 answers

21

NIELIT 2016 DEC Scientist B (CS) - Section B: 8
What will be output if you will compile and execute the following C code? void main(){ char c=125; c=c+10; printf("%d",c); } $135$ $115$ $-121$ $-8$

asked Mar 31 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 12 views

0 votes

1 answer

22

NIELIT 2017 July Scientist B (IT) - Section B: 32
Output of following program #include<stdio.h> int main() { int i=5; printf("%d%d%d", i++,i++,i++); return 0; } $7\:6\:5$ $5\:6\:7$ $7\:7\:7$ Compiler Dependent

answered Mar 30 in Programming by smsubham Boss (16.8k points) | 7 views

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1 answer

23

NIELIT 2017 July Scientist B (IT) - Section B: 33
Output of following program? #include<stdio.h> void dynamic(int s,...) { printf("%d",s); } int main() { dynamic(2,4,6,8); dynamic(3,6,9); return 0; } $2\:3$ Compiler Error $4\:3$ $3\:2$

answered Mar 30 in Programming by smsubham Boss (16.8k points) | 8 views

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1 answer

24

NIELIT 2017 July Scientist B (IT) - Section B: 35
Assume that float takes 4 bytes, predict the output of following program. #include<stdio.h> int main() { float arr[5]={12.5,10.0,13.5,90.5,0.5}; float *ptr1=&arr[0]; float *ptr2=ptr1+3; printf("%f",*ptr2); printf("%d",ptr2-ptr1); return 0; } $90.500000\:3$ $90.500000\:12$ $10.000000\:12$ $0.500000\:3$

answered Mar 30 in Programming by smsubham Boss (16.8k points) | 7 views

0 votes

1 answer

25

NIELIT 2017 July Scientist B (IT) - Section B: 36
Assume that size of an integer is $32$ bit. What is the output of following ANSI C program? #include<stdio.h> struct st { int x; static int y; }; int main() { printf(%d",sizeof(struct st)); return 0; } $4$ $8$ Compiler Error Runtime Error

answered Mar 30 in Programming by smsubham Boss (16.8k points) | 7 views

0 votes

1 answer

26

NIELIT 2017 July Scientist B (IT) - Section B: 37
Consider the following C declaration struct { short s[5]; union { float y; long z; }u; }t; Assume that objects of the type short, float and long occupy $2$ bytes, $4$ bytes and $8$ bytes respectively. The memory requirement for variable $t$ ignoring alignment considerations, is $22$ bytes $14$ bytes $18$ bytes $10$ bytes

answered Mar 30 in Programming by smsubham Boss (16.8k points) | 8 views

0 votes

1 answer

27

UGCNET-June2005-II: 11
After $3$ calls of the $c$ function bug ( ) below, the values of $i$ and $j$ will be : int j = 1; bug () { static int i = 0; int j = 0; i++; j++; return (i); } i = 0, j = 0 i = 3, j = 3 i = 3, j = 0 i = 3, j = 1

answered Mar 30 in Programming by divyanshukla77 (11 points) | 56 views

+4 votes

4 answers

28

GATE2020-CS-22
Consider the following C program. #include <stdio.h> int main () { int a[4] [5] = {{1, 2, 3, 4, 5}, {6, 7,8, 9, 10}, {11, 12, 13, 14, 15}, {16, 17,18, 19, 20}}; printf(“%d\n”, *(*(a+**a+2)+3)); return(0); } The output of the program is _______.

answered Mar 30 in Programming by shivam001 Active (1.2k points) | 1k views

0 votes

0 answers

29

NIELIT 2017 July Scientist B (IT) - Section B: 26
The following program is to be tested for statement coverage: begin if(a==b){S1;exit;} else if (c==d){S2;} else{S3;exit;} S4; end The test cases $T1,T2,T3$ and $T4$ given below are expressed in terms of the properties satisfied by the ... given below ensures coverage of statements $S1,S2,S3$ and $S4$? $T_1,T_2,T_3$ $T_2,T_4$ $T_3,T_4$ $T_1,T_2,T_4$

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 5 views

0 votes

0 answers

30

NIELIT 2017 July Scientist B (CS) - Section B: 58
Bug means A logical error in a program. A difficult syntax error in a program. Documenting programs using an efficient documentation tool. All of the above.

asked Mar 30 in Programming by Lakshman Patel RJIT Veteran (61.4k points) | 3 views

0 votes

1 answer

31

UGCNET-Dec2007-II: 11
What cannot replace ? in the following C-code to print all odd numbers less than $100$ ? for (i=1; ? ; i=i+2) printf("%d\n", i); $i\leq100$ $i\leq101$ $i<100$ $i<101$

answered Mar 29 in Programming by haralk10 Active (1.4k points) | 27 views

0 votes

0 answers

32

UGCNET-Dec2007-II: 13
Which of the following is a valid C code to print character A' to C' ? x='A' ; switch(x) {case 'A'= printf ( "%d\n" , x); .... case 'C'= printf ( "%d\n" , x); } x='A'; switch(x) {case 'A' <= x <= 'C' : printf ( "%d ... case 'A' =printf ( "%d\n" , x); case 'B' =printf ( "%d\n" , x); case 'C' =printf ( "%d\n" , x); }

asked Mar 28 in Programming by jothee Veteran (108k points) | 19 views

+6 votes

4 answers

33

GATE2020-CS-46
Consider the following C functions. int fun1(int n) { static int i= 0; if (n > 0) { ++i; fun1(n-1); } return (i); } int fun2(int n) { static int i= 0; if (n>0) { i = i+ fun1 (n) ; fun2(n-1) ; } return (i); } The return value of $\text{fun}2 (5)$ is _________

answered Mar 27 in Programming by Arun Rout (145 points) | 1.1k views

0 votes

0 answers

34

UGCNET-Dec2004-II: 13
What is the value of the arithmetic expression (Written in C) $2*3/4-3/4*2$ $0$ $1$ $1.5$ None of these

asked Mar 26 in Programming by jothee Veteran (108k points) | 12 views

0 votes

0 answers

35

UGCNET-Dec2004-II: 14
A function object : is an instance of a class for which operator ( ) is a member function. is an instance of a class for which operator → is a member function. is a pointer to any function. is a member function of a class.

asked Mar 26 in Programming by jothee Veteran (108k points) | 10 views

+33 votes

5 answers

36

GATE2014-1-10
Consider the following program in C language: #include <stdio.h> main() { int i; int*pi = &i; scanf("%d",pi); printf("%d\n", i+5); } Which one of the following statements is TRUE? Compilation fails. Execution results in a run- ... is $5$ more than the address of variable $i$. On execution, the value printed is $5$ more than the integer value entered.

answered Mar 24 in Programming by immanujs Active (2.9k points) | 4.4k views

+78 votes

3 answers

37

GATE2014-2-11
Suppose $n$ and $p$ are unsigned int variables in a C program. We wish to set p to $^nC_3$. If $n$ is large, which one of the following statements is most likely to set p correctly? $p = n * (n-1) * (n-2) / 6;$ $p = n * (n-1) / 2 * (n-2) / 3;$ $p = n * (n-1) / 3 * (n-2) / 2;$ $p = n * (n-1) * (n-2) / 6.0;$

answered Mar 24 in Programming by immanujs Active (2.9k points) | 5.5k views

+32 votes

3 answers

38

GATE2014-2-40
Consider the following function. double f(double x){ if( abs(x*x - 3) < 0.01) return x; else return f(x/2 + 1.5/x); } Give a value $q$ (to $2$ decimals) such that $f(q)$ will return $q$:_____.

answered Mar 24 in Programming by immanujs Active (2.9k points) | 4.2k views

+24 votes

5 answers

39

GATE2014-2-42
Consider the C function given below. int f(int j) { static int i = 50; int k; if (i == j) { printf("something"); k = f(i); return 0; } else return 0; } Which one of the following is TRUE? The function returns $0$ for all values of $j$. The ... $j$. The function returns $0$ when $j = 50$. The function will exhaust the runtime stack or run into an infinite loop when $j = 50$.

answered Mar 24 in Programming by immanujs Active (2.9k points) | 2.2k views

+23 votes

5 answers

40

GATE2012-3
What will be the output of the following C program segment? char inChar = 'A'; switch ( inChar ) { case 'A' : printf ("Choice A \n"); case 'B' : case 'C' : printf ("Choice B"); case 'D' : case 'E' : default : printf ("No Choice"); } No Choice Choice A Choice A Choice B No Choice Program gives no output as it is erroneous

answered Mar 24 in Programming by immanujs Active (2.9k points) | 2.6k views

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