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Recent questions and answers in Programming and DS

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self doubt
let suppose address of first index of array is n and size of each block of array is u. then the index of second element is a+u. let suppose the array has m elements. what will be the address of the third element of an array if it's address second last element is (n - u).
let suppose address of first index of array is n and size of each block of array is u. then the index of second element is a+u.let suppose the array has m elements.what w...
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3
i am not able to give test
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8
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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2 answers
10
Test series question of ace academy
#include<stdio.h> #define ADD(a,b)(a+b) #define SQUARE(x)(x*x) int main() { int x=2; int y=3; int z = ADD(SQUARE(x++),y); printf("%d\n",z); return 0; } What is the output of the above code snippet?
#include<stdio.h>#define ADD(a,b)(a+b)#define SQUARE(x)(x*x)int main(){int x=2;int y=3;int z = ADD(SQUARE(x++),y);printf("%d\n",z);return 0;}What is the output of the abo...
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14
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
15
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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18
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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19
#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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2 answers
21
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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27
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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3 votes
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28
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
30
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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31
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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32
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
33
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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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 answer
36
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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40
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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