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题解 | #搜索数字#
const isDigit = (c) => '0123456789'.indexOf(c) != -1; function _search(s) { f...
Javascript Node
HTML/CSS/JavaScript
2022-06-08
1
147
题解 | #字符串的排列 # JS next permutation 48ms
const Permutation = (s) => { let a = s.split(""); a.sort((x, y) => x - y); let res = new Set(); res.add(s); do { res....
Javascript Node
字符串
2021-11-07
0
446
题解 | #寻找第K大# JS ordered map 61ms
const counter = (a_or_s) => { let m = new Map(); for (const x of a_or_s) m.set(x, m.get(x) + 1 || 1); return m; }; function findKth(a, n, k) { ...
Javascript Node
哈希表
2021-11-02
1
265
js easy
const solve = (data) => { let s = data[0]; let target = data[1]; let cnt = 0; for (const c of s) { if (c.toLowerCase() == t...
Javascript Node
2021-11-01
0
320
直接排序
function MySort(a) { a.sort((x, y) => x - y); return a; } module.exports = { MySort : MySort };
Javascript Node
2021-11-01
0
189