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 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;
}Copyright © 2021 Codeinu
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