swap 2 numbers without using 3rd variable
a=10;
b=20;
a=a+b;//a=30 (10+20)
b=a-b;//b=10 (30-20)
a=a-b;//a=20 (30-10)swap 2 numbers without using 3rd variable
a=10;
b=20;
a=a+b;//a=30 (10+20)
b=a-b;//b=10 (30-20)
a=a-b;//a=20 (30-10)swap without using third variable
// SWAPPING WITHOUT USING THIRD VARIABLE
#include<stdio.h>
int main()
{
int a=10, b=20;
printf("Before swap a=%d b=%d",a,b);
a=a+b;//a=30 (10+20)
b=a-b;//b=10 (30-20)
a=a-b;//a=20 (30-10)
printf("\nAfter swap a=%d b=%d",a,b);
return 0;
} Write a program to show swap of two numbers without using third variable.
#include<stdio.h>
int main()
{
int a=10, b=20;
printf("Before swap a=%d b=%d",a,b);
a=a+b;//a=30 (10+20)
b=a-b;//b=10 (30-20)
a=a-b;//a=20 (30-10)
printf("\nAfter swap a=%d b=%d",a,b);
return 0;
}swap 2 integers without using temporary variable
using System;
class MainClass {
public static void Main (string[] args) {
int num1 = int.Parse(Console.ReadLine());
int num2 = int.Parse(Console.ReadLine());
num1 = num1 + num2;
num2 = num1 - num2;
num1 = num1 - num2;
Console.WriteLine("After swapping: num1 = "+ num1 + ", num2 = " + num2);
Console.ReadLine();
}
}swap using third variable
// SWAP USING THIRD VARIBLE
#include <stdio.h>
int main()
{
int var1, var2, temp;
printf("Enter two integersn");
scanf("%d%d", &var1, &var2);
printf("Before SwappingnFirst variable = %dnSecond variable = %dn", var1, var2);
temp = var1;
var1 = var2;
var2 = temp;
printf("After SwappingnFirst variable = %dnSecond variable = %dn", var1, var2);
return 0;
}swap 2 numbers without using 3rd variable
//Swapping Using Addition and Subtraction(+ & -)
void swapping(int x, int y)
{
x = x + y; //1
y = x - y; //2
x = x - y; //3
printf("The values of a and b AFTER swapping are a = %d & b = %d \n", x, y);
}
//Swapping Using Multiplication and Division(* & /)
void swapping(int x, int y)
{
x = x * y; //1
y = x / y; //2
x = x / y; //3
printf("The values of a and b AFTER swapping are a = %d & b = %d \n", x, y);
}
//Swapping Using Bitwise XOR
void swapping(int x, int y)
{
x = x ^ y;
y = x ^ y;
x = x ^ y;
printf("The values of a and b AFTER swapping are a = %d & b = %d \n", x, y);
}Copyright © 2021 Codeinu
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