178871
Link
https://school.programmers.co.kr/learn/courses/30/lessons/178871 (opens in a new tab)
Answer
JavaScript
function solution(players, callings) {
let idx;
let name1;
let name2;
const idxList = {};
players.forEach((name, index) => (idxList[name] = index));
for (let call of callings) {
idx = idxList[call];
name1 = players[idx];
name2 = players[idx - 1];
idxList[call] -= 1;
idxList[name2] += 1;
players[idx] = name2;
players[idx - 1] = name1;
}
return players;
}