Merge pull request youngyangyang04#2832 from liaoming10/master

添加:0105.有向图的完全可达性Javascript代码

Author: youngyangyang04

problems/kamacoder/0105.有向图的完全可达性.md

@@ -491,6 +491,54 @@ func main() {
 
 ### JavaScript
 
+```javascript
+const rl = require('readline').createInterface({
+ input:process.stdin,
+ output:process.stdout
+})
+
+let inputLines = []
+
+rl.on('line' , (line)=>{
+ inputLines.push(line)
+})
+
+rl.on('close',()=>{
+ let [n , edgesCount]= inputLines[0].trim().split(' ').map(Number)
+ 
+ let graph = Array.from({length:n+1} , ()=>{return[]})
+ 
+ for(let i = 1 ; i < inputLines.length ; i++ ){
+ let [from , to] = inputLines[i].trim().split(' ').map(Number)
+ graph[from].push(to)
+ }
+ 
+ let visited = new Array(n + 1).fill(false)
+ 
+ let dfs = (graph , key , visited)=>{
+ if(visited[key]){
+ return
+ }
+ 
+ visited[key] = true
+ for(let nextKey of graph[key]){
+ dfs(graph,nextKey , visited)
+ }
+ }
+ 
+ dfs(graph , 1 , visited)
+ 
+ for(let i = 1 ; i <= n;i++){
+ if(visited[i] === false){
+ console.log(-1)
+ return
+ }
+ }
+ console.log(1)
+
+})
+```
+
 ### TypeScript
 
 ### PhP