const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) var str = '' rl.on('line',(line)=>{ str = line }) rl.on('close',()=>{ var arr = str.split('') var s = new Set(arr.reverse()) var arr2 = [...s] console.log(arr2.join('')) })

const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) var length = 0 var arr = [] rl.on('line',(line)=>{ if(length == 0){ length = parseInt(line) }else{ arr.push(line) } }) rl.on('close',()=>{ var res = [] arr.forEach((val,index)...

const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) var num = 0 rl.on('line',(line)=>{ num = parseFloat(line) }) rl.on('close',()=>{ console.log(Math.round(num)) })

const readline = require('readline') var rl = readline.createInterface({     input:process.stdin,     output:process.stdout }) var num = 0 rl.on('line',(line)=>{     num = parseInt(l...

const readline = require('readline') var rl = readline.createInterface({     input:process.stdin,     output:process.stdout }) var arr = [] rl.on('line',(line)=>{     arr.push(line.substring(2...

获取输入，调用递归处理字符串 const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) var arr = [] rl.on('line',(line)=>{ arr.push(line) }) rl.on('close',()=>{ arr.forEach(val=>{ if(val.length<8){ if(val.length > 0){ add(val) } }else{ sl...

读题认真，主要难度在审题 const readline = require('readline') var rl = readline.createInterface({ input: process.stdin, output: process.stdout }) var result = [] var arr = [] var lineNum = 0 var num = 0 rl.on('line', (line) => { var flag = true // 此时重置 if (num == lineNum) { num = 0 lineNum = parseInt(line) i...

const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) rl.on('line',(line)=>{ var arr = line.split(' ') console.log(arr[arr.length - 1].length) // var newLine = line.substring(line.indexOf(' ')+1) })

const readline = require('readline') var rl = readline.createInterface({ input:process.stdin, output:process.stdout }) var arr=[] var num = 0 rl.on('line',(line)=>{ let newline = line.toLowerCase() arr.push(newline) if(arr.length>1){ var index = arr[0].indexOf(arr[1]) while(index!=-1){ num++ i...