Answer / arindam

b=(a+b)-(a=b);

Answer / shruti dengre

answer no. 6th is is correct

Answer / suseela

for ex x=10,y=20
x=x+y=30(i.e 10+20)
y=x-y=10(i.e 30-20)
x=x-y=20(i.e 30-10)

Answer / shubham

#include<stdio.h>
#imclude<conio.h>
main()
{
int a,b;
printf("enter two number");
scanf("%d%d",&a,&b);
b=a-b;
a=a-b;
b=a+b;
printf("after swaping &d",swap);
getch();
}

Answer / lokesh

a=a-b;
b=a-b;
a=a+b;

Answer / praveen kumar telluri

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

Answer / naveen

Using a single line statement:

a=(a+b)-(b=a)

Answer / hamsa

a=a+b;
b=a-b;
a=a-b;

ex a=2, b=4

a=2+4
b=6-4
a=6-2


ANS a=4
b=4

Answer / debjyoti talukder

a=a+b;
if(a>b)//only the smaller can b subtracted from greater...
b=a-b://...reverse is not possible
else
b=b-a;
a=a-b;

Answer / swapnil r

Swapping two variables

1. #define SWAP(x,y) x^=y^=x^=y

2. a=a+b;
b=a-b;
a=a-b;

3. use xor to swap

a = a^b
b= a^b
a= a^b
4. a=a*b;
b=a/b;
a=a/b;

main() { int i=3; switch(i) { default:printf("zero"); case 1: printf("one"); break; case 2:printf("two"); break; case 3: printf("three"); break; } }

1 Answers  

Write a program to model an exploding firecracker in the xy plane using a particle system

0 Answers   HCL,

Write a program to print a square of size 5 by using the character S.

6 Answers   Microsoft,

Write a prog to accept a given string in any order and flash error if any of the character is different. For example : If abc is the input then abc, bca, cba, cab bac are acceptable, but aac or bcd are unacceptable.

5 Answers   Amazon, Microsoft,

Is the following code legal? void main() { typedef struct a aType; aType someVariable; struct a { int x; aType *b; }; }

1 Answers  

How we print the table of 2 using for loop in c programing?

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void main() { int *i = 0x400; // i points to the address 400 *i = 0; // set the value of memory location pointed by i; }

2 Answers  

what will be the position of the file marker? a: fseek(ptr,0,SEEK_SET); b: fseek(ptr,0,SEEK_CUR);

2 Answers  

void main() { if(~0 == (unsigned int)-1) printf(“You can answer this if you know how values are represented in memory”); }

1 Answers  

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  

main(int argc, char *argv[]) { (main && argc) ? main(argc-1, NULL) : return 0; } a. Runtime error. b. Compile error. Illegal syntax c. Gets into Infinite loop d. None of the above

4 Answers   HCL, LG,

Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it.

9 Answers   Microsoft,