Maximizing XOR

maxXor.js

/* Problem Statement

Given two integers: L and R,

find the maximal values of A xor B given, L ≤ A ≤ B ≤ R

Input Format 
The input contains two lines, L is present in the first line. 
R in the second line.

Constraints 
1 ≤ L ≤ R ≤ 103

Output Format 
The maximal value as mentioned in the problem statement.*/

function maxXor(l, r) {

    var lConst = l;
    var rConst = r;
    var varL = l;
    var varR = r;
    var high = 0;
    while (lConst <= r) {
        
        for (var i = 1; varL <= varR; varL++) {
           
            var num = lConst ^ varL;
            if(num >= high){
                high = num;
            }
        }
        varL = lConst;
        lConst++;
    }
   
    return high;

}