/*3123*/ var readline = require(‘readline’);var rl = readline.createInterface({ input: process.stdin}); // cat input.

12345678910// function repeat(str, times) { }function repeat(str, n) { let result = '' for(let i = 1; i < n; i++) {

// IndexOf() 從第一個開始找遇到的第一個 INDEX// lastIndexOf() 從後面找回來遇到第一個 index function lastIndexOf(arr, target) { for(let i = a

/*3513328*/ 123456789101112131415161718192021222324252627282930313233343536373839404142var readline = require('readline'

map 實作 12345678910111213141516171819function double(n) { return n * 2;}let arr = [1, 2, 3];let newArr = arr.map(double);

題目連結搜尋 貪婪的小偷 解答 123456789101112131415161718192021222324252627282930var readline = require('readline');var rl = readline.

題目連結搜尋 靈魂伴侶 解答 1234567891011121314151617181920212223242526272829303132333435var readline = require('readline');var rl =

題目連結搜尋 音速小子 解答 1234567891011121314151617181920212223242526272829303132var readline = require('readline');var rl = readli

解說連結 123456789101112131415161718let str = 'hELLo';let ans = '';// console.log(String.fromCharCode(65, 90,97, 122));for(l

chrome terminal 執行 123456789101112131415161718192021let str = 'hELLo';let ans = '';// console.log(String.fromCharCode(65