[伯俊]JavaScript 2884目覚まし時計

質問する

例

プール1(readline)

const readline=require('readline');
const rl=readline.createInterface({
    input:process.stdin,
    output:process.stdout
});
let input=[];
rl.on('line',function(line){
    input=line.trim().split(' ').map(Number);
}).on('close',function(){
    let [hour,min]=input;
    if(min<45){
        min=min+15;
        hour!==0?hour--:hour=23;
        console.log(`${hour} ${min}`)
    }else{
        console.log(`${hour} ${min-45}`)
    }
    process.exit();
})

プール2(fs)

const fs=require('fs');
let [hour,min]=fs.readFileSync('/dev/stdin').toString().trim().split(' ').map(Number);
min-=45;
if(min<0){
    min+=60;
    hour--;
    if(hour===-1){
        hour=23;
    }
}
console.log(`${hour} ${min}`)

プール3(fs)

const fs=require('fs');
const [hour,min]=fs.readFileSync('/dev/stdin').toString().trim().split(' ').map(Number);
const alarm=hour*60+min-45;
console.log(alarm<0?`23 ${alarm+60}`:`${Math.floor(alarm/60)} ${alarm%60}`)

参考資料