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paizaラーニング レベルアップ問題集 paizaの森練習問題コンテスト過去問題6 JavaScript 球数制限

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球数制限 (paizaランク D 相当)

JavaScriptで解いてみました。sliceとreduce、三項演算子で解いてみました。

const fs = require("fs");
const input = fs.readFileSync("/dev/stdin", "utf-8").trim();
const lines = input.split("\n");

const [n, k] = lines[0].split(" ").map(Number);
const sum = lines.slice(1, n + 1).map(Number).reduce((a, b) => a + b);
console.log(sum >= k ? "No" : "Yes");
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