greyhands2

const edgesToUndirectedGraph = (edges) => {
	let graph = {};

	edges.forEach(elem=> elem.forEach((e,i,arr)=>{
				let dupArr = [...arr];
				current = dupArr.splice(i,1);

				if(Array.isArray(graph[current])){
					graph[current]=[...graph[current], ...dupArr]
				} else {

greyhands2

const edgesToDirectedGraph = (edges) => {

	let graph={};

	edges.forEach((elem)=>{
		let first= elem.shift();
		if(Array.isArray(graph[first])) {
			graph[first]=[...elem,...graph[first]];
		} else {
			graph[first]=[...elem];