题解 | #字符统计#

const rl = require("readline").createInterface({ input: process.stdin }); var iter = rlSymbol.asyncIterator; const readline = async () => (await iter.next()).value;

void async function () { // Write your code here while(line = await readline()){ let tokens = line.split(' '); let a = tokens[0].split(''); let temp = {} let str = '' for(let i = 0; i < a.length; i++) { temp[a[i]] = !temp[a[i]] ? 1 : temp[a[i]] + 1 } let arr = Object.entries(temp) arr.sort((a, b) => { return b[1] === a[1] ? (a[0].charCodeAt() - b[0].charCodeAt()) : (b[1] - a[1]) }) console.log(arr.map(item => item[0]).join('')) } }()