/
2751.js
37 lines (32 loc) · 857 Bytes
/
2751.js
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const input = require("fs")
.readFileSync("/dev/stdin")
.toString()
.trim()
.split("\n")
.map((v) => Number(v));
const [testCase, ...num] = input;
const mergeSort = (arr) => {
if (arr.length < 2) {
return arr;
}
const mid = Math.floor(arr.length / 2);
const left = arr.slice(0, mid);
const right = arr.slice(mid);
return merge(mergeSort(left), mergeSort(right));
};
const merge = (left, right) => {
const result = [];
let leftIndex = 0;
let rightIndex = 0;
while (leftIndex < left.length && rightIndex < right.length) {
if (left[leftIndex] < right[rightIndex]) {
result.push(left[leftIndex]);
leftIndex++;
} else {
result.push(right[rightIndex]);
rightIndex++;
}
}
return result.concat(left.slice(leftIndex), right.slice(rightIndex));
};
console.log(mergeSort(num).join("\n"));