Recent questions in Programming

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0 answers

1

linkedlist_made easy question
ans givn in B but i think it should be D [closed]

asked 4 hours ago in Programming by Meenakshi Sharma Loyal (3.6k points) | 3 views

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2 answers

2

oprator in C
anyone explain this prog?? how to output is evaluvated?? int main() { int x = 10, y; y = (x++, printf("x = %d\n", x), ++x, printf("x = %d\n", x), x++); printf("y = %d\n", y); printf("x = %d\n", x); return 0; }

asked 8 hours ago in Programming by Hira Thakur Boss (5.7k points) | 51 views

0 votes

4 answers

3

c programming
what is the o/p #include<stdio.h> void main() { int a=5; printf("%d %d %d",a++,++a,--a); } also suggest me notes so i can clear my concept about printf function (For Gate)

asked 16 hours ago in Programming by Nitesh Choudhary Junior (915 points) | 41 views

0 votes

1 answer

4

C Proramming
main() { unsigned int num; int i; scanf("%u",num); for(i=0;i<16;i++) printf("%d", num << i & 1 <<15 ? 1 : 0); } This program calculates the binary equivalent of a number. Can anyone explain its working??

asked 1 day ago in Programming by just_bhavana Junior (517 points) | 19 views

0 votes

1 answer

5

C Programming
P1: int main() { int a,b,c; a = 10; a>=5? b=100 : b=200; printf("%d %d",a,b); return 0; } P2: int main() { int a,b,c; a = 10; a>=5? b=100 : (b=200); printf("%d %d",a,b); return 0; } P1 gives error as lvalue required as left operand of assignment a>=5? b=100 : b=200; ^ while P2 doesn't! Please explain why?

asked 1 day ago in Programming by just_bhavana Junior (517 points) | 12 views

0 votes

1 answer

6

operator qustn from geeks for geeks

asked 4 days ago in Programming by pandey25 (17 points) | 49 views

+1 vote

1 answer

7

Array

asked 4 days ago in Programming by Sourabh Kumar Active (1.9k points) | 23 views

0 votes

1 answer

8

program
#include <stdio.h> int main() { int a = 4, n, i, result = 0; scanf("%d", n); for (i = 0;i < n; i++) result += a; } what is o/p a) Addition of a and n. b) Subtraction of a and n. c) Multiplication of a and n. d) Division of a and n. anyone plz expalin

asked 4 days ago in Programming by Sumit Goyal (185 points) | 25 views

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1 answer

9

program
#include <stdio.h> main() { int a = 1; printf("size of a is %d, ", sizeof(++a)); printf("value of a is %d", a); }; size of a = 2 value of a = 1 am i right

asked 4 days ago in Programming by Sumit Goyal (185 points) | 26 views

+1 vote

2 answers

10

Pointer and Function
#include<stdio.h> char *convert(int n) { char s[10] = ""; int i = 0; int r = 0; char *pp = s; while (n>0) { r = n % 10; s[i++] = r + '0'; n = n / 10; } //printf("%s\n" ... \n", p); return 0; } Question: If I uncomment the printf() statement in convert() then only printf() in main() executes correctly. Please explain.

asked 4 days ago in Programming by K ANKITH KUMAR (27 points) | 25 views

+1 vote

1 answer

11

Pointers in C
X = *p-->c++ and x = (*p-->c)++ How this expression will be evaluated?

asked Jun 15 in Programming by jatin khachane 1 (59 points) | 72 views

0 votes

1 answer

12

Programming
#define value 50 main() { printf("%d",value); #define value 500 printf("%d",value*10); } what is the output

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 62 views

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1 answer

13

Programming
Can structure be defined after function declaration and before main?

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 24 views

0 votes

2 answers

14

Programming
int main() { static char a[5][20]={"mona","vijay","kumar","Nakuru","suresh"}; int i; char *p; p=a[3]; a[3]=a[4]; a[4]=p; for(i=0;i<=4;i++) printf("%s",a[i]); } which line causes compile time error Nd why

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 69 views

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0 answers

15

Programming
Struct exam { int a; char *c; } st[]={4,"choice",5,"battle",6,"minute",8,"bookmark",7,"address"} main() { struct exam *p=st; printf("%s",p++->c); ++p; printf("%s",++p->c); printf("%d",p[0].a); printf("%s",++p++->c); printf("%s",++p->c); }

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 39 views

0 votes

1 answer

16

Programming
Int a[2][2][2]={{10,2,3,4},{5,6,7,8}}; int *p; p=&a[2][2][2]; printf("%d",*p); this gives garbage value,what should be the changes to get p value as 10

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 43 views

0 votes

0 answers

17

Programming
main() { int x=1,y=0,z=5; int a=x && y&&z++; printf("%d",z); } what's the output and how is it evaluated [closed]

asked Jun 15 in Programming by A_i_$_h Junior (785 points) | 14 views

+1 vote

2 answers

18

c programming
let f(1)=1+(1/1) , f(2)= 1+(1/(1+(1/2))) , f(3)=1+(1/(1+(1/(1+(1/3))))) write a program in c which reads n and prints f(n)?

asked Jun 14 in Programming by AIkiran01 (105 points) | 29 views

0 votes

1 answer

19

C PROGRAMMING
short* a = 0; void main() {printf("%d",a); a=a+2; printf("%d",a); }

asked Jun 14 in Programming by rajjindu (61 points) | 28 views

0 votes

2 answers

20

Programmin
main() { char check ='a'; switch(check) { case 'a'||1:printf("gats"); case 'b' || 2: printf("quiz"); break; default :printf("Gatesquiz"); } } a)gates b)gatesquiz c)gatesquizgatesquiz d)compiler error

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 36 views

0 votes

2 answers

21

Progrmming
int main() { int a[5]={1,2,3,4,5}; int *ptr=(int *)(&a+1); // why is typecasting necessary here? It can just be int*ptr=&a+1; printf("%d%d",*(a+1),*(ptr-1)); } 2 5 garbage compiler defined segmentation fault

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 38 views

0 votes

1 answer

22

Programming
void fun(char **str-ref) { str-ref++; } main() { char *str=(void *)malloc(100*sizeof(char)); strcpy(str,"Ravindran"); fun(&str); puts(str); free(str); } a)ravindras b)avindras c)garbage d)compiler error

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 17 views

0 votes

1 answer

23

Programming
Main() { unsigned int x[4][3]={{1,2,3},{4,5,6},{7,8,9},{10,11,12}}; printf("%u %u %u",x+3,*(x+3),*(x+2)+3); } A) 2036,2036,2036 b)2012,4,2204 c)2036,10,10 d)2012,4,6

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 17 views

0 votes

1 answer

24

Programming
main() { Char str[]="%d%s",arr[]="GatesQuiz"; printf(str,0[arr],2[arr+3]); } a)GQ b)71 81 c)71 Q d) compile time error

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 28 views

0 votes

1 answer

25

Programming
void my-toupper(char *str,int index) { *(str+index)&=~32; } main() { char *arr="gatequiz"; my-toupper(arr,0); my-toupper(arr,5); printf("%s",arr); } a)Gatesquiz b)gatesquiz c)compilerdependent answer with explanation please

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 18 views

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1 answer

26

Programming
main() { char a[2][3][3] = {'g','a','t','e','s','q','u','I','z'}; printf("%s",**a); the answer is gatequiz, to refer to a 3dimensional array the printf statement should be ***a right?

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 26 views

0 votes

1 answer

27

Programming
Int fun( char *str1) { char *str2=str1; while(* ++str1); || here it accesses the data then increments or increments and then checks the data? return(str1-str2); } main() { char * str = "Ravindran"; printf("%d",fun(str)); } a)10 b)9 c)8 d)random number

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 18 views

0 votes

1 answer

28

Programming
n=3; printf("5d %d",n++,++n); 1) 3 5 b) 4 5 c) 4 4 d) implementation dependent

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 30 views

0 votes

1 answer

29

Programming
Int x,y=2,z,a; x=(y*=2)+(z=a=y); printf("%d",x); 1) 8 2) 6 3) 8 or 6 depends on compiler 4) syntax error

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 24 views

0 votes

1 answer

30

Programming
Let a Nd b be two positive integers,which correctly relates / and % b=(a/b)*b+a%b b=(a%b)*b+a/b a=(a/b)*b+a%b a=(a%b)*b+a/b

asked Jun 14 in Programming by A_i_$_h Junior (785 points) | 26 views

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