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- const fs = require('fs');
- const data = fs.readFileSync('input.txt', 'utf8');
- const data_array = data.split('\n');
- let stack = [];
- let total = [];
- const command_handler = (words) => {
- if (words[1] === 'cd') {
- if (words[2] === '..') {
- stack.pop();
- } else {
- stack.push({name: words[2], size: 0});
- const index = total.map(x => x.name).indexOf(words[2]);
- if (index === -1) total.push({name: words[2], size: 0});
- }
- }
- }
- const file_handler = (words) => {
- for (let i = 0; i < stack.length; i++) {
- const index = total.map(x => x.name).indexOf(stack[i].name);
- total[index].size += parseInt(words[0]);
- }
- }
- data_array.forEach(line => {
- const words = line.split(' ');
- if (words[0] === '$') command_handler(words);
- else if (words[0] !== 'dir') file_handler(words);
- });
- console.table(total)
- const answer = total.filter(x => x.size <= 100000);
- console.table(answer)
- let sum = 0;
- answer.forEach(ans => sum += ans.size)
- console.log(sum);
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