[JS] 백준 10812번 / 바구니 순서 바꾸기 / 심화 1

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문제

10812번: 바구니 순서 바꾸기

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정답

let fs = require("fs");
let filePath = process.platform === "linux" ? "/dev/stdin" : "test.txt";

let input = fs.readFileSync(filePath).toString().trim().split("\n");
let [n, m] = input.shift().split(" ").map(Number);
let rotate = input.map(x => x.split(" ").map(Number));
let arr = Array(n)
  .fill(1)
  .map((a, b) => a + b);

for (let i = 0; i < m; i++) {
  let [start, end, mid] = rotate[i];
  let leftPart = arr.slice(mid - 1, end);
  let rightPart = arr.slice(start - 1, mid - 1);

  arr.splice(start - 1, end - start + 1, leftPart, rightPart);
  arr = arr.flat();
}

console.log(arr.join(" "));

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