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Recent questions and answers in Programming and DS

1 votes
0 answers
2
Arrays
Consider an integer upper triangular 2D array arr[–8 to +7][–8 to +7] having base address 1000. If the size of the integer is 4 bytes, the address of the element present at location arr[–6][4] is- ____________.
Consider an integer upper triangular 2D array arr[–8 to +7][–8 to +7] having base address 1000. If the size of the integer is 4 bytes, the address of the element pres...
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2 votes
2 answers
3
GATE CSE 2024 | Set 1 | Question: 38
Consider the following $\mathrm{C}$ ... the return value is less than $2^{10}$ If the inputs are $x=10, y=20$, then the return value is greater than $2^{20}$
​​Consider the following $\mathrm{C}$ function definition.int f (int x, int y){ for (int i=0 ; i<y ; i++ ) { x= x + x + y; } return x; }Which of the following stateme...
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0 votes
1 answer
4
C Programming - Arrays & Pointer (NAT)
#include <stdio.h> int main() { int a[3][2] = {1, 3, 5, 7, 9, 11}; int *ptr = a[0]; ptr += sizeof(int); printf("%d", *ptr); return 0; } (Assume size of int to be $2$ bytes.) The output is __________.
#include <stdio.h int main() { int a[3] = {1, 3, 5, 7, 9, 11}; int *ptr = a[0]; ptr += sizeof(int); printf("%d", *ptr); return 0; }(Assume size of int to be $2$ bytes.)T...
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0 votes
2 answers
7
C Programming - Recursion
What is the output of the below code? #include <stdio.h> void main() { static int var = 5; printf("%d ", var--); if (var) main(); } a. 1 2 3 4 5 b. 1 c. 5 4 3 2 1 d. Error
What is the output of the below code?#include <stdio.h void main() { static int var = 5; printf("%d ", var ); if (var) main(); }a. 1 2 3 4 5b. 1c. 5 4 3 2 1d. Error
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1 votes
1 answer
8
#Recursivefunctions
int bar(int val){ int x=0; while(val > 0){ x=x+bar(val -1); } return val; } Q: For bar(3) this function is supposed to be stuck in an infinite loop but I do not know how please can someone explain?
int bar(int val){int x=0;while(val 0){x=x+bar(val -1);}return val;}Q: For bar(3) this function is supposed to be stuck in an infinite loop but I do not know how please c...
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1 votes
2 answers
10
DRDO CSE 2022 Paper 1 | Question: 28
If the maximum height of a binary tree is $\mathrm{N},$ then how many number of nodes will there be?
If the maximum height of a binary tree is $\mathrm{N},$ then how many number of nodes will there be?
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1 answer
16
GATE CSE 1988 | Question: 8iii
Write a LISP function to compute the product of all the numbers in a list. Assume that the list contains only number.
Write a LISP function to compute the product of all the numbers in a list. Assume that the list contains only number.
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1 votes
0 answers
17
GATE CSE SET-1 2024
My question is that can we use command line arguments without use of main function's parameters argc and *argv?
My question is that can we use command line arguments without use of main function's parameters argc and *argv?
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48 votes
8 answers
19
GATE CSE 2015 Set 3 | Question: 7
Consider the following C program segment. # include <stdio.h> int main() { char s1[7] = "1234", *p; p = s1 + 2; *p = '0'; printf("%s", s1); } What will be printed by the program? $12$ $120400$ $1204$ $1034$
Consider the following C program segment.# include <stdio.h int main() { char s1[7] = "1234", *p; p = s1 + 2; *p = '0'; printf("%s", s1); }What will be printed by the pro...
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0 votes
0 answers
20
GATE 2024 CSE1
I have a question that can we use command line arguments without main function arguments? int main(int argc, char **argv){ }
I have a question that can we use command line arguments without main function arguments?int main(int argc, char argv){}
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1 answer
21
Gate 2017 Set 1 minimum Comparisons
Consider an array A of size 31 consisting of 0's followed by number of 1's. In order to find the smallest index i such that A[i]=1 minimum number of comparisons required in worst case by optimal algorithm?
Consider an array A of size 31 consisting of 0's followed by number of 1's. In order to find the smallest index i such that A[i]=1 minimum number of comparisons required ...
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2 votes
2 answers
22
let x be an array of integer which of the following can not be present in the LHS of an assignment statement
let x be an array of integer . which of the following can not be present in the left hand side of an assignment statementa)x b) x+i c) * (x+i) d) &x[i]
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1 votes
1 answer
24
DRDO CSE 2022 Paper 1 | Question: 26 (b)
Provide the correct data structures for the following: Asynchronous data transfer and accessing shared resource involve _________.
Provide the correct data structures for the following:Asynchronous data transfer and accessing shared resource involve _________.
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1 votes
1 answer
25
Array
Does C support fractional Indices? float x = some fraction; Is float a[x] valid declaration?
Does C support fractional Indices?float x = some fraction;Is float a[x] valid declaration?
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0 votes
1 answer
29
s.balaguruswami
Find the error of the following IP addresses. If the IP is valid, check its Class and determine whether the address is Unicast or Multicast. i) 237.15.2.1 ii) 256.1.8.9 iii) 114.34.2.8 iv) 255.254.0.1 v) 8.8.8.8
Find the error of the following IP addresses. If the IP is valid, check its Class and determine whether the address is Unicast or Multicast.i) 237.15.2.1ii) 256.1.8.9iii)...
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2 votes
2 answers
30
find the output
include <stdio.h> int main() { int a[][3] = {1, 2, 3, 4, 5, 6}; int (*ptr)[3] = a; printf("%d %d ", (*ptr)[1], (*ptr)[2]); ++ptr; printf("%d %d\n", (*ptr)[1], (*ptr)[2]); return 0; } (a) 2 3 5 6 (b) 2 3 4 5 (c) 4 5 0 0 (d) none of the above
include <stdio.h int main() { int a[][3] = {1, 2, 3, 4, 5, 6}; int (*ptr)[3] = a; printf("%d %d ", (*ptr) , (*ptr) ); ++ptr; printf("%d %d\n", (*ptr) , (*ptr) ); return 0...
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1 votes
1 answer
31
c programming
#include <stdio.h> int main() { int i = -1; int x = (unsigned char)i; printf("%d", x); return 0; } output is 255 , but please explain how
#include <stdio.h int main() { int i = -1; int x = (unsigned char)i; printf("%d", x); return 0; }output is 255 , but please explain how
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70 votes
13 answers
33
GATE CSE 2017 Set 2 | Question: 55
Consider the following C program. #include<stdio.h> #include<string.h> int main() { char* c="GATECSIT2017"; char* p=c; printf("%d", (int)strlen(c+2[p]-6[p]-1)); return 0; } The output of the program is _______
Consider the following C program.#include<stdio.h #include<string.h int main() { char* c="GATECSIT2017"; char* p=c; printf("%d", (int)strlen(c+2[p]-6[p]-1)); return 0; }T...
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59 votes
4 answers
34
GATE CSE 2014 Set 2 | Question: 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 $q$:_____.
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 $f(q)$ wi...
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