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全部文章 / 题解（共47篇）

题解 | #统计字符#

let str; while(str = readline()){ let yw = str.match(/[a-z]/gi)?str.match(/[a-z]/gi).length:0; let kg = str.match(/\s+?/gi)?str.match(/\s+?/gi).le...

Javascript V8

2021-09-28

0 449

题解 | #表示数字#

let str; while(str = readline()){ let res = str.replace(/(\d+)/g,function(v0,v1){ return '*'+v1+'*' }) console.log(res) }

Javascript V8

2021-09-28

0 442

题解 | #找出字符串中第一个只出现一次的字符#

let str; while(str = readline()){ let res = -1; for(let i=0;i<str.length;i++){ let reg = new RegExp(`${str[i]}`,'g'); if(str.match(reg)...

Javascript V8

2021-09-27

3 630

题解 | #字符逆序#

let str = readline(); function getStr(str){ let res; let returnStr; let resArr = []; if(/[^a-zA-Z\s]/g.test(str)){ throw new E...

Javascript V8

2021-09-27

0 424

题解 | #等差数列#

let str; // 值为index*3-1 while(str = parseInt(readline())){ let sum = 0; for(let i = 1;i<=str;i++){ sum += i*3-1 } console.log(sum) }

Javascript V8

2021-09-27

0 368

题解 | #记负均正#

let str; while(str = parseInt(readline())){ let lessZefo = 0,aver=0; let num = readline(); let arr = num.split(' ') for(let v of arr){ if(...

Javascript V8

2021-09-27

0 422

题解 | #求最大连续bit数#

let str ; while(str = readline()){ let w = parseInt(str).toString(2); let res = w.match(/1+/g); let num = Math.max(...res); console.log((num+...

Javascript V8

2021-09-27

0 367

题解 | #统计大写字母个数#

let str ; while(str = readline()){ //+? 禁止贪婪 let res = str.match(/[A-Z]+?/g); if(res){ console.log(res.length) }else{ console.log(0) ...

Javascript V8

2021-09-27

0 440

题解 | #尼科彻斯定理#

let str; //规律：最后一个数为：num的平方+num-1，第一个数为：num的平方-num-1 // 1:1-0 // 2:4-1 // 3:9-2 // 4:16-3 // 5:25-4 // 6:36-5 while(str = parseInt(readline())){ let...

Javascript V8

2021-09-27

1 448

题解 | #单词倒排#

let str = readline(); function getStr(str){ let res; let returnStr; let resArr = []; let reg = /([a-zA-Z]+)/g; returnStr = str.ma...

Javascript V8

2021-09-26

0 461