Answer / priyam

b=a*b/(a=b);

Answer / vinay kumar shukla

i am not giving answer
all above answer for swaping integer type variables without
third
i want answer in string type

Answer / saumya

Thanks a lot guys. It is giving very good analysis.

Answer / koneru gowtham

plz check 3 aswer is perfect, 2 one mat be wrong in some cases

Answer / kumar

Using Assembly language( Using Accumulator)...Without using
any arithmatic...without using any Pointer...without
declaring third varible

int a = 20;
int b = 10;
__asm
{
mov EAX,b
push EAX
mov EAX,a
mov b,EAX
pop EAX
mov a,EAX
}

Answer / meenama

The first two answers are correct. Third will FAIL in the
case the second num is 0. The #19 one still uses a third
variable.

Answer / mangesh

#include<stdio.h>
#include<conio.h>
int main()
{
int a,b;
clrscr();
printf("\nEnter two numbers:");
scanf("%d%d",&a,&b);
printf("\nThe numbers after swapping are %d %d",b,a);
getch();
return 0;
}

Answer / rehan

#include<stdio.h>
main()
{
int a,b;
printf("Enter any two numbers\n");
scanf("%d%d",&a,&b);
printf("The values before swapping are\n%d %d\n",a,b);
swap(&a,&b);
printf("The values after swapping are\n%d %d\n",a,b);
getch();
}

swap(*x,*y)
{
int t;
t=*x;
*x=*y;
*y=t;
}

Answer / divakar

a=a*b/(b=a);

Answer / javaskills

x = y | (y=x);

main() { char p[ ]="%d\n"; p[1] = 'c'; printf(p,65); }

2 Answers  

Is it possible to type a name in command line without ant quotes?

1 Answers   Excel, Infosys,

struct aaa{ struct aaa *prev; int i; struct aaa *next; }; main() { struct aaa abc,def,ghi,jkl; int x=100; abc.i=0;abc.prev=&jkl; abc.next=&def; def.i=1;def.prev=&abc;def.next=&ghi; ghi.i=2;ghi.prev=&def; ghi.next=&jkl; jkl.i=3;jkl.prev=&ghi;jkl.next=&abc; x=abc.next->next->prev->next->i; printf("%d",x); }

1 Answers  

void main() { char far *farther,*farthest; printf("%d..%d",sizeof(farther),sizeof(farthest)); }

2 Answers  

main() { static char names[5][20]={"pascal","ada","cobol","fortran","perl"}; int i; char *t; t=names[3]; names[3]=names[4]; names[4]=t; for (i=0;i<=4;i++) printf("%s",names[i]); }

2 Answers  

main() { if ((1||0) && (0||1)) { printf("OK I am done."); } else { printf("OK I am gone."); } } a. OK I am done b. OK I am gone c. compile error d. none of the above

5 Answers   HCL,

To Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates.

19 Answers   Amazon, BITS, Microsoft, Syncfusion, Synergy, Vector,

main() { char str1[] = {‘s’,’o’,’m’,’e’}; char str2[] = {‘s’,’o’,’m’,’e’,’\0’}; while (strcmp(str1,str2)) printf(“Strings are not equal\n”); }

1 Answers  

void main() { int x,y=2,z; z=(z*=2)+(x=y=z); printf("%d",z); }

4 Answers  

main() { printf("%d, %d", sizeof('c'), sizeof(100)); } a. 2, 2 b. 2, 100 c. 4, 100 d. 4, 4

18 Answers   HCL, IBM, Infosys, LG Soft, Satyam,

main() { float i=1.5; switch(i) { case 1: printf("1"); case 2: printf("2"); default : printf("0"); } }

2 Answers  

what is the code of the output of print the 10 fibonacci number series

2 Answers