 # how to swap two numbers without temp in c

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Today we show you how to swap two numbers without temp or how to swap two numbers without using third variable in c and c program to swap two numbers and how to swap two numbers in c language programming.

### How to swap two numbers without using third variable in c

#include<stdio.h>
#include<conio.h>
void main(){
int a,b;
clrscr();
printf(“Enter two numbersn”);
sacnf(“%d”,&a);
sacnf(“%d”,&b);
printf(“Before swap:n a=%d n b=%d”,a,b);
a=a+b;
b=a-b;
a=a-b;
printf(“After swap:n a=%d n b=%d”,a,b);
getch();
}
Output: Enter two numbers:
4
5
Before swap:
a=4
b=5
After swap:
a=5
b=4

### C program to swap two numbers

#include<stdio.h>
#include<conio.h>
void main(){
int a,b,temp;
clrscr();
printf(“Enter two numbersn”);
sacnf(“%d”,&a);
sacnf(“%d”,&b);
printf(“Before swap:n a=%d n b=%d”,a,b);
temp=a;
b=a;
a=temp;
printf(“After swap:n a=%d n b=%d”,a,b);
getch();
}
Output: Enter two numbers:
4
5
Before swap:
a=4
b=5
After swap:
a=5
b=4

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