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write a program to swap Two numbers without using temp variable.
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Answer / harisharumalla
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
printf("\n Enter the 2 numbers");
scanf("%d%d",&a,&b);
//swaping of 2 numbers without using temp variable
a=a+b;
b=a-b;
a=a-b;
/* or
a=a*b;
b=a/b;
a=a/b;
*/
printf("\n A = %d \n B = %d\n");
getch();
}
| Is This Answer Correct ? | 604 Yes | 119 No |
Answer / abhi
void swap(int *a,int *b)
{
if(*a == *b)
return;
*a^=*b;
*b^=*a;
*a^=*b;
}
| Is This Answer Correct ? | 461 Yes | 195 No |
Answer / prasanna
Swapping two variables in a single line with no temporary
variable..
b=(a+b)-(a=b);
so.. simple..
Prasanna. (prasanna7287@yahoo.co.in)
| Is This Answer Correct ? | 351 Yes | 140 No |
Answer / guest
# include "stdio.h"
main()
{
int a,b;
printf("enter two numbers for swaping");
scanf("%d%d",&a,&b);
a=a+b;
b=a-b;
a=a-b;
printf("a is %d",a);
printf("b is %d",b);
} output:- takea,b value is 2,3 and give answers is3,2
| Is This Answer Correct ? | 243 Yes | 58 No |
Answer / anantha
b=a+b
a=b-a
b=b-a
if a=3 and b=5
then now b=a+b=8
and a=8-a=8-3=5,now a=5
b=8-a=8-5=3,now b=3
so, a=5 and b=3
| Is This Answer Correct ? | 198 Yes | 59 No |
Answer / nagakishorebabu
a=a+b;
b=a-b;
a=a-b;
printf("a %dand b %dis :",a,b);
| Is This Answer Correct ? | 181 Yes | 43 No |
Answer / ravi saini
void main()
{
int a,b;
printf("enter the two numbers");
scanf("%d%d",&a,&b);
a^=b^=a^=b;
printf("%d%d",a,b);//swapped no
}
| Is This Answer Correct ? | 119 Yes | 66 No |
Answer / sree
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
printf("Enter two numbers");
scanf("%d %d",&a &b);
a=a+b;
b=a-b;
a=a-b;
printf("The swapped values are:");
printf("a:%d",a);
printf("b:%d",b);
getch();
}
| Is This Answer Correct ? | 73 Yes | 24 No |
Answer / sweety
main()
{
int a=2,b=3;
a=a+b;
b=a-b;
a=a-b;
printf("%d",&a);
printf("%d",&b);
getch();
}
| Is This Answer Correct ? | 72 Yes | 27 No |
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