Swapping Two Numbers Using Third Variable

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Chathumal Sangeeth answered on May 16, 2021 Popularity 9/10 Helpfulness 2/10

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Swapping Two Numbers Using Third Variable

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   public static void main(String[] args) {
        int x = 10;
        int y = 20;
        int temp;

        temp = x;
        x = y;
        y = temp;

        System.out.println("x:"+x  +" y:" + y);
    }

Popularity 9/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: java numbers swap using

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Contributed on May 21 2022

Chathumal Sangeeth

0 Answers Avg Quality 2/10

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swap 2 numbers without using 3rd variable

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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)

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Tags: numbers

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Contributed on May 16 2021

Harshit Goyal

0 Answers Avg Quality 2/10

swap two variables

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// Another approach, that doesn't requires to create a third variable,
// but requires more computation

int a = 7;
int b = 2;

a = a ^ b;
b = a ^ b;
a = a ^ b;

// ^ means XOR
// if you want a more concise code, you can do
// a ^= b;
// b ^= a;
// a ^= b;

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Contributed on Dec 14 2022

Encouraging Eland

0 Answers Avg Quality 2/10

swapping of two numbers

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 #include <iostream>  
using namespace std;  
int main()  
{  
int a=5, b=10;      
cout<<"Before swap a= "<<a<<" b= "<<b<<endl;      
a=a*b; //a=50 (5*10)    
b=a/b; //b=5 (50/10)    
a=a/b; //a=10 (50/5)    
cout<<"After swap a= "<<a<<" b= "<<b<<endl;      
return 0;  
}

Popularity 9/10 Helpfulness 4/10 Language cpp

Source: www.javatpoint.com

Tags: c++ numbers

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Contributed on May 20 2022

Utkarsh gayguwal

0 Answers Avg Quality 2/10

Swap two variables without the third variable

Comment

let x = 1;
let y = 2;
[x, y] = [y, x]; // x = 2, y = 1

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 23 2023

moghaazi

0 Answers Avg Quality 2/10

swap of two numbers without using third variable

Comment

a=20;
b=40;
a=a+b;  
b=a-b;
a=a-b;

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Source: Grepper

Tags: numbers

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Contributed on Oct 20 2021

codeGlue

0 Answers Avg Quality 2/10

How to swap two numbers

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// Method 1: With temporary variable
temp = A
A = B
B = temp
// without temporary variable
// Method 2: Addition and subtraction
A = A + B
B = A - B
A = A - B
// Method 3: Muitply and Divide
A = A * B
B = A / B
A = A / B

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Tags: numbers

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Contributed on Jun 11 2021

Helpless Hedgehog

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swapping data of two variable without third one

Comment

X= 25 (First number), Y= 23 (second number)
Swapping Logic:
X = X + Y = 25 +23 = 48
Y = X - Y = 48 - 23 = 25
X = X -Y = 48 - 25 = 23
and the numbers are swapped as X =23 and Y =25.

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Contributed on Sep 23 2022

Hamza Fayaz

0 Answers Avg Quality 2/10

swap two numbers without using third variable

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var a=window.prompt('enter a number')var b=window.prompt('enter a number')var a=a+b;var b=a-b;var a=a-b;console.log ("value of a is",a);console.log('value of b is',b);

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Source: pujasharma5431.medium.com

Tags: numbers

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Contributed on Jun 28 2021

Depressed Dotterel

0 Answers Avg Quality 2/10

swap 2 numbers without using 3rd variable

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//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);
   
}

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Source: www.scaler.com

Tags: numbers swap using whatever

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Contributed on Sep 22 2021

ShrutiBongale

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Swapping Two Numbers Using Third Variable

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Swapping Two Numbers Using Third Variable

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