题解 | #MP3光标位置#

let num = parseInt(readline()); let str = readline().split(''); // 声明存储当前列表和选中歌曲的变量 let menu = []; let se = 1; // 根据输入的命令分别处理赋值 if(num<=4){ men...

Javascript V8 Javascript Node HTML/CSS/JavaScript 数组字符串

2022-04-13

6 361

题解 | #DNA序列#

const str=readline(); const num=parseInt(readline()); getDna(str,num) function getDna(x,y){ let a=0; let res; // 计算子串的个数，并分割子串，计算比较子串是否符合...

Javascript V8 Javascript Node HTML/CSS/JavaScript 数组字符串

2022-04-12

0 216

题解 | #查找输入整数二进制中1的个数#

let line; while(line=readline()){ let arr=parseInt(line).toString(2).split(''); let num=0; arr.map(i=>{ if(i===1||i==="1"){ ...

Javascript V8 HTML/CSS/JavaScript Javascript Node 字符串数组

2022-04-11

0 268

题解 | #找出字符串中第一个只出现一次的字符#

let line=readline().split(''); // 找出出现多次的元素全部删掉，留下只出现一次的，取第一个 var output=-1 while(line.length){ let res=line[0] line=line.slice(1) let fla...

Javascript V8 Javascript Node HTML/CSS/JavaScript 数组字符串

2022-04-07

0 223

题解 | #输入n个整数，输出其中最小的k个#

let [a,b]=readline().split(' ') let num=readline().split(' ').sort((x,y)=>{return x-y}) console.log(...num.slice(0,b))

Javascript V8 HTML/CSS/JavaScript Javascript Node 字符串数组

2022-04-06

2 361

题解 | #高精度整数加法#

const b = readline().split(''); const a = readline().split(''); let c = 0 let res=''; while( a.length || b.length || c) { c += ~~a.pop() + ~~b.pop()...

Javascript V8 Javascript Node HTML/CSS/JavaScript 字符串数组

2022-04-06

13 402

题解 | #挑7#

let line=parseInt(readline()); let num=0; for(let i=1;i<=line;i++){ if(i%7===0){ num++ }else if(i.toString().includes('7')){ ...

Javascript V8 Javascript Node HTML/CSS/JavaScript 字符串数组

2022-04-02

1 275

题解 | #截取字符串#

const line=readline(); const len=parseInt(readline()); const res=line.slice(0,len); console.log(res)

Javascript V8

2022-04-01

0 236

题解 | #统计字符#

let line=readline().split(''); let letter=0; let space=0; let num=0; let other=0; line.map(item=>{ if(/[a-zA-Z]/.test(item)){ letter++ ...

Javascript V8 Javascript Node HTML/CSS/JavaScript 字符串数组

2022-04-01

0 197

题解 | #求小球落地5次后所经历的路程和第5次反弹的高度#

// 10 5 2.5 1.25 0.625 let line; while(line=readline()){ const res=getRoad(parseFloat(line)) console.log(res.road) console.log(res....

Javascript V8 HTML/CSS/JavaScript Javascript Node 数组字符串

2022-04-01

0 226