GPD2021

https://www.acmicpc.net/problem/2233 class Apple { constructor(pos1, parent) { this.position = [pos1]; this.parent = parent; this.height = parent?.height ? parent.height + 1 : 1; } mark(pos2) { this.position.push(pos2); }}const input = require('fs').readFileSync('./dev/stdin').toString().trim().split('\n');const N = +input[0];const binary = input[1].trim();const [t1, t2] = input[2].split(' '..