牛客971465536号

题解

/ 注册

全部文章 / 题解（共50篇）

题解 | #简单密码#

//总感觉这么列出来有点傻 let str = 'abcdefghijklmnopqrstuvwxyz'; let book = { 2: 'abc', 3: 'def', 4: 'ghi', 5: 'jkl', 6: 'mno', 7: 'pqrs'...

Javascript V8

2021-10-24

5 691

题解 | #提取不重复的整数#

let line = readline(); let arr = line.split('').reverse().map(x => parseInt(x)); //Set有去重功能 let list = Array.from(new Set(arr)); print(list.join(''...

Javascript V8

2021-10-24

7 661

题解 | #合并表记录#

let arr = [] while(line = readline()) { arr.push(line); } const length = arr[0]; let list = arr.slice(1, length + 1); let newArr = []; for (ite...

Javascript V8

2021-10-24

6 538

题解 | #走方格的方案数#

while(line = readline()) { const arr = line.split(' ').map(item => parseInt(item)); const [n, m] = arr; //这里很坑，fill的参数千万不能直接给array，引用类型修改...

Javascript V8

2021-10-24

1 480

题解 | #记负均正#

let arr = [] while(line = readline()) { arr.push(line); } let newArr = []; newArr.push(arr.slice(0, 2)); newArr.push(arr.slice(2)); for (let ite...

Javascript V8

2021-10-24

0 488

题解 | #等差数列#

// 利用等差数列前n项和公式 n(a1+aN)/2 while(line = readline()) { const num = parseInt(line); print(num * (2 + 2 + 3*(num -1)) / 2); }

Javascript V8

2021-10-24

2 691

题解 | #等差数列#

while(line = readline()) { const num = parseInt(line); let total = 0; for (let i = 2; i <= 2 + 3*(num-1); i = i+3) { total += i...

Javascript V8

2021-10-24

0 384

题解 | #求最大连续bit数#

while(line = readline()) { const radix2 = parseInt(line).toString(2); let subArr = []; for (let i = 0; i <= radix2.length; i++) { ...

Javascript V8

2021-10-24

0 494

题解 | #统计大写字母个数#

while(line = readline()) { let reg = new RegExp('[A-Z]', 'g') const result = line.match(reg) ? line.match(reg).length : 0; console.log(res...

Javascript V8

2021-10-21

4 464

题解 | #二维数组操作#

let list = [] let error = '数据表超限'; while(line = readline()) { list.push(line); } let newArr = []; newArr.push(list.slice(0 , 5)); newArr.push(lis...

Javascript V8

2021-10-21

2 602