Answer / rahul

rahul

Answer / deep

let a=5 , b=10
a=a-b
means a=5-10=-5
b=b+a
b=10+(-5)
b=5
a=b-a
a=5-(-5)
a=10

Answer / beeresh

a=a/b;
b=a*b;
a=b/a;

Answer / d maniteja

let
a=x, b=y our aim is to get output as a=y&b=x;
program:
void main()
{
int a=x,b=y;
a=(a+b)+(a-b);
b=(a+b)-(a-b);
a=a/2;
b=b/2;
printf(("%d %d",a,b);
}

Answer / e.naveenkumar

without using third variable swap two nos
a=(a+b)-(b-a);

Answer / amit kumar

10 answer is perfect

Answer / gobinath

swap(int *a,int *b)
{
*a=*a-*b;
*b=*a+*b;
*a=*b-*a;

}

Answer / sudha

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

Answer / jc10

1. b=b+a
2. a=b-a
3. b=b-a

Answer / suraj

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

main() { 41printf("%p",main); }8

1 Answers  

write a program for area of circumference of shapes

0 Answers  

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2 Answers  

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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.

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2 Answers  

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

4 Answers  

#include<stdio.h> main() { register i=5; char j[]= "hello"; printf("%s %d",j,i); }

2 Answers  

#define a 10 void foo() { #undef a #define a 50 } int main() { printf("%d..",a); foo(); printf("%d..",a); return 0; } explain the answer

1 Answers  

main() { printf("\nab"); printf("\bsi"); printf("\rha"); }

3 Answers