Recent questions tagged pointers - GATE CSE Doubts

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Book: Gate Overflow Question no. 4.7.20 in the Programming in C section

asked 5 days ago in Programming by hadarsh (5 points) | 13 views

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C- Programming Question on Pointers
What will be the output of the following program? #include "stdio.h" int main() { char a[] = { 'P', 'Q', 'R', 'S' }; char* p = &a[0]; *p++; printf("%c ", *++p); } According to my solution As we know that ... answer comes out to be Q , but when I ran the program, then it showed my R as the output. Can someone please help me with this?

asked Dec 2, 2020 in Programming by Samarth Kejriwal (7 points) | 38 views

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Made Easy test series
Why option A is wrong?

asked Oct 17, 2020 in Programming by Sinchit (17 points) | 38 views

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Made easy theory book, Self doubt in pointers.
Here in this question answer is option a. But I think it would be option c please clear my doubt with proper explanation.

asked Sep 12, 2020 in Programming by sarthakdarji (9 points) | 39 views

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Self doubt in programming, made easy theory book

asked Sep 11, 2020 in Programming by sarthakdarji (9 points) | 29 views

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Self Doubt - Pointers
Is occurrence of segmentation fault in case of uninitialized pointers compiler dependent ?

asked Sep 9, 2020 in Programming by simi2426 (5 points) | 43 views

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Understanding pointers in C (Yashavant Kanetkar)
Can anyone please provide the output of the below code with proper explanation:- #include <stdio.h> show(int(*q)[3][4],int ii,int jj,int kk){ int i,j,k; int *p; for(i=0;i<ii;i++){ for(j=0;j<jj;j++){ p=q[i][j]; printf("\nThis is %d\n",q[i][ ... 7,8, 9,3,2,1}, { 2,3,5,7, 4,3,9,2, 1,6,3,6} }; show(a, 2, 3,4 ) ; } Thanks in advance.

asked Sep 9, 2020 in Programming by Pratyush Priyam Kuan (1.1k points) | 51 views

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pointers in 2d array
according to me answer is 1(3rd one ) but they have given 2 (2nd and 3rd ) are correct how can II be correct function signature?

asked Jul 2, 2020 in Programming by abcd9982 (87 points) | 43 views

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self doubts pointers
#include<stdio.h> int main() { int x=480; char *y; y=&x; *++y=4; printf("%d,%d",*y,x); return 0; } op?

asked Jun 13, 2020 in Programming by Swati Dubey (7 points) | 37 views

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Gate-2001:2 MARKS
int *g(void) { int *px; px = (int*) malloc (sizeof(int)); *px = 10; return px; }

asked Jun 9, 2020 in Programming by prajjwalsingh_11 (15 points) | 16 views

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GATE2018-2 Video Solution
Consider the following C program: #include<stdio.h> struct Ournode{ char x, y, z; }; int main() { struct Ournode p={'1', '0', 'a'+2}; struct Ournode *q=&p; printf("%c, %c", *((char*)q+1), *((char*)q+2)); return 0; } The output of this program is: 0, c 0, a+2 '0', 'a+2' '0', 'c'

asked Apr 18, 2020 in Programming by admin (569 points) | 8 views

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GATE2018-29 Video Solution
#include<stdio.h> void fun1(char* s1, char* s2){ char* temp; temp = s1; s1 = s2; s2 = temp; } void fun2(char** s1, char** s2){ char* temp; temp = *s1; *s1 = *s2; *s2 = temp; } int main(){ char *str1="Hi", *str2 = "Bye"; fun1 ... of the program above is: $\text{Hi Bye Bye Hi}$ $\text{Hi Bye Hi Bye}$ $\text{Bye Hi Hi Bye}$ $\text{Bye Hi Bye Hi}$

asked Apr 18, 2020 in Programming by admin (569 points) | 9 views

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Made easy Mock test
can someone please explain the solution? answer is 26.

asked Feb 5, 2020 in Programming by nidhi1604 (5 points) | 49 views

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MadeEasy Test Series - Question on array of pointers

asked Nov 25, 2019 in Algorithms by luc_Bloodstone (19 points) | 48 views

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pointer Assignment
#include<stdio.h> int main() { int a[5]={1,2,3,4,5}; int *ptr=(int*)(&a+1);//why typecasting has done here? printf("%d%d",*(a+1),*(ptr-1)); } output is 25.can someone explain this?

asked Nov 14, 2019 in Programming by Arun Rout (5 points) | 40 views

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Self doubt pointers (programming)
What's the output? #include <stdio.h> main() { char *arr = "this is to test"; printf("%c,%c", *(arr), *(arr++) ); }

asked Nov 5, 2019 in Programming by Priyansh Singh (227 points) | 90 views

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Pointers : self Doubt
#include <stdio.h> void f(char**); int main() { char *argv[] = { "ab", "cd", "ef", "gh", "ij", "kl" }; f(argv); return 0; } void f(char **p) { char *t; t = (p += sizeof(int))[- ... of p when i use my intuition. in online compiler → printf( %u ,&argv) or printf( %d , argv) gives same addresses why it is so

asked Aug 9, 2019 in Programming by Aks9639 (9 points) | 29 views

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C programming output
#include <stdio.h> char str1[100]; char *mystery(char str[]) { static int i = 0; if (*str) { mystery(str+1); str1[i] = *str; i++; } return str1; } int main() { char str[] = "ehT etaG kooB"; printf("%s", mystery(str)); return 0; } Plz provide a detailed explanation

asked Jul 25, 2019 in Puzzles by s_dr_13 (15 points) | 32 views

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C Programming Pointers
Can someone explain the solution of this question? #include <stdio.h> char *c[] = {"GatsQuiz", "MCQ", "TEST", "QUIZ"}; char **cp[] = {c+3, c+2, c+1, c}; char ***cpp = cp; int main() { printf("%s ", **++cpp); ... 1][-1]+1); return 0; } (a) TEST sQuiz Z CQ (b) MCQ Quiz Z CQ (c) TEST Quiz Z CQ (d) GarbageValue sQuiz Z CQ

asked Jul 23, 2019 in Programming by yashu24 (9 points) | 59 views

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#self doubt- programming
I have a doubt in accessing character from array of pointers to string. Char *a[ ]={"abc","defgh","ijklm","nok"}; How to access character 'k' from 3rd string i.e. ijklm Output:- k

asked Jul 6, 2019 in Programming by Ekta07_GATE (15 points) | 23 views

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