题解 | #成绩排序#

const readline = require('readline');

const rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
});

// 接收数据
let [row, num, flag, grades] = [0, undefined,undefined, []]
rl.on('line', function (line) {
    row++
    
    if(row === 1){
        num = Number(line)
    }else if(row === 2){
        flag = Number(line)
    }else {
        let [name, grade] = line.split(' ')
        grades.push({name, grade})
    }
});

// 没有输入的时候，就处理数据
rl.on('close', function (line) {
    if(flag === 0){
        // 从高到低排序
        grades.sort((a, b)=>b.grade - a.grade)
    }else {
        // 从低到高排序
        grades.sort((a, b)=>a.grade - b.grade)
    }

    // 打印
    grades.forEach((item)=>{
        console.log(item.name, item.grade)
    })
});