牛客971465536号

题解

/ 注册

全部文章 / 题解（共32篇）

题解 | #找出字符串中第一个只出现一次的字符#

while(line = readline()) { const arr = line.split(''); let result = arr.reduce((temp, data) => { temp[data] = temp[data] ? temp[da...

Javascript V8

2021-10-27

0 418

题解 | #高精度整数加法#

//数字超过了NUMBER.MAX_SAFE_INTEGER，所以这里使用对位相加，写的有点烂，凑活看 let arr = [] let n = 2; while(line = readline()) { arr.push(line); } for (let i = 0; i<arr...

Javascript V8

2021-10-27

0 584

题解 | #挑7#

while(line = readline()) { const num = parseInt(line); let count = 0; for (let i = 1; i <= num; i++) { if (isCludesSeven(i.toSt...

Javascript V8

2021-10-26

1 413

题解 | #计算字符串的距离#

//参考https://www.jianshu.com/p/90af98493661 while(str = readline()) { print(minDistance(str,readline())) // 2 } function minDistance(s1, s2) { ...

Javascript V8

2021-10-26

2 595

题解 | #截取字符串#

while(line = readline()) { const num = parseInt(readline()); print(line.substring(0, num)) }

Javascript V8

2021-10-26

0 409

题解 | #图片整理#

while(line = readline()) { const arr = line.split('').map(x => x.charCodeAt()); arr.sort((a, b) => a - b); print(arr.map(x => Str...

Javascript V8

2021-10-26

2 479

题解 | #迷宫问题#

//此为 DFS 深度搜索，搞了一下午，上网看了视频，还有广度搜素 while(line = readline()) { let [n, m] = line.split(' ').map(x => parseInt(x)); let test = Array(n).fill(0...

Javascript V8

2021-10-26

14 1176

题解 | #名字的漂亮度#

//逻辑比较烂，就是自己实现的字母统计完了（reduce比较好用一下就出来了），排序用26递减去乘 let arr = []; while(line = readline()) { arr.push(line); } const length = parseInt(arr[0]); con...

Javascript V8

2021-10-25

0 507

题解 | #统计字符#

while (input = readline()) { const arr = input.split(''); let eng = 0; let space = 0; // 32 let num = 0; //48-57 let other = 0; ...

Javascript V8

2021-10-25

0 447

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#

const height = parseInt(readline()); let total = height; for (let i=1; i<=4; i++) { total += height/(2**i) * 2; } print(total); const height5 ...

Javascript V8

2021-10-25

0 401