前言

『最孤独的人最亲切，受过伤的人总是笑的最灿烂。』—— 「素媛」

T1

let buf="";
process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let [a,b]=buf.split(" ").map(function(x){
       return parseInt(x);
   }) ;
   
   console.log(a+b);
});

T2

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let [a,b,c,d]=buf.split("\n").map(x=>parseInt(x)) ;
   console.log(`DIFERENCA = ${a*b-c*d}`);
});

T3

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let lines=buf.split("\n");
   let [x1,y1]=lines[0].split(" ").map(x=>{return parseFloat(x)});
   let [x2,y2]=lines[1].split(" ").map(x=>{return parseFloat(x)});
   let dx=x1-x2;
   let dy=y1-y2;
   console.log(Math.sqrt(dx*dx+dy*dy).toFixed(4));
});

T4

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let n=parseInt(buf);
   let money=[100,50,20,10,5,2,1];
   console.log(n);
   for(let p of money){
       let cnt=parseInt(n/p);
       console.log(`${cnt} nota(s) de R$ ${p},00`);
       n=n-cnt*p;
   }
});

T5

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let n=parseInt(buf);
   let hours=parseInt(n/3600);
   let minutes=parseInt(n%3600/60);
   let seconds=parseInt(n%60);
   
   console.log(`${hours}:${minutes}:${seconds}`);
});

T6

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let [a,b]=buf.split(" ").map(x=>{return parseInt(x)});
   if(a%b===0||b%a===0){
       console.log("Sao Multiplos");
   }else{
       console.log("Nao sao Multiplos");
   }
});

T7

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let [a,b]=buf.split(" ").map(x=>{return parseFloat(x)});
   if(a===1){
       console.log(`Total: R$ ${(b*4).toFixed(2)}`);
   }else if(a===2){
       console.log(`Total: R$ ${(b*4.5).toFixed(2)}`);
   }else if(a===3){
       console.log(`Total: R$ ${(b*5).toFixed(2)}`);
   }else if(a===4){
       console.log(`Total: R$ ${(b*2).toFixed(2)}`);
   }else{
       console.log(`Total: R$ ${(b*1.5).toFixed(2)}`);
   }
});

T8

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let n=parseFloat(buf);
   if(n>=0&&n<=25){
       console.log("Intervalo [0,25]");
   }else if(n>25&&n<=50){
       console.log("Intervalo (25,50]");
   }else if(n>50&&n<=75){
       console.log("Intervalo (50,75]");
   }else if(n>75&&n<=100){
       console.log("Intervalo (75,100]");
   }else{
       console.log("Fora de intervalo");
   }
});

T9

let buf="";

process.stdin.on("readable",function(){
   let chunk=process.stdin.read();
   if(chunk){
       buf+=chunk.toString();
   }
});

process.stdin.on("end",function(){
   let [a,b]=buf.split(" ").map(x=>{return parseInt(x)});
   let ans;
   if(b>a){
       ans=b-a;
   }else{
       ans=24-a+b;
   }
   
   console.log(`O JOGO DUROU ${ans} HORA(S)`);
});

结语

今天写到这儿，明天全神贯注提高效率，有可能的话，明天把 js 全学完

见证者，为见证而来。铭记者，因铭记而生。