shuboy2014

module.exports = { 
	minWindow : function(A, B){
        const map = {};
        let missing = B.length;
        let fast=0, slow=0;
        let shortest = [0,Infinity];
        
        for(let i=0;i<B.length;i++){
            if(B[i] in map){
                map[B[i]].cnt += 1;