๋ฐฑ์ค€[JS] > 13305๋ฒˆ ์ฃผ์œ ์†Œ

2025. 3. 8. 13:21ยท๐Ÿ”’Algorithm

๋ฌธ์ œ๋งํฌ

https://www.acmicpc.net/problem/13305

๋ฌธ์ œํ’€์ด

ํŠน์ดํ•˜๊ฒŒ ์ด ๋ฌธ์ œ๋Š” ์„œ๋ธŒํƒœ์Šคํฌ๊ฐ€ ๊ฑธ๋ ค์žˆ๋‹ค. ์•„๋ž˜ 3๊ฐœ์˜ ์กฐ๊ฑด์ด ์žˆ๋Š”๋ฐ ์ด ๋ชจ๋“  3๊ฐœ์˜ ์กฐ๊ฑด์„ ํ†ต๊ณผํ•˜๋Š” ๊ฒฝ์šฐ 100์ ์„ ๋ฐ›์„ ์ˆ˜ ์žˆ๋‹ค. ์ฒ˜์Œ์— ๋‚˜๋Š” 1,2๋ฒˆ ์กฐ๊ฑด์„ ๋งŒ์กฑํ•˜๋Š” ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•˜์—ฌ 58์ ์„ ๋ฐ›์•˜๊ณ  ๊ทธ ์ฝ”๋“œ๊ธฐ๋ฐ˜์œผ๋กœ ์กฐ๊ธˆ์˜ ์ˆ˜์ •์„ ํ†ตํ•ด 100์ ์„ ๋ฐ›์„ ์ˆ˜ ์žˆ์—ˆ๋‹ค. 

๐Ÿ˜ญ58์  ํ’€์ด

let fs = require("fs");
let input = fs.readFileSync("/dev/stdin").toString().trim().split("\n");

let roadArr = input[1].split(" ").map((n) => Number(n));
let priceArr = input[2].split(" ").map((n) => Number(n));

let price = priceArr[0];
let answer = price * roadArr[0];

for (let i = 1; i < roadArr.length; ++i) {
    price = price > priceArr[i] ? priceArr[i] : price;
    let added = price * roadArr[i];
    answer += added;
}
console.log(answer);

๐Ÿ˜Š100์  ํ’€์ด

58์  ํ’€์ด๋Œ€๋น„ ๋‹ฌ๋ผ์ง„ ์ ์€ ์ˆซ์ž๋ฅผ ๋ชจ๋‘ BigInt ์ฒ˜๋ฆฌํ•˜์—ฌ ๊ณ„์‚ฐํ–ˆ๋‹ค๋Š” ์ ์ด๋‹ค.

let fs = require("fs");
let input = fs.readFileSync("/dev/stdin").toString().trim().split("\n");

let roadArr = input[1].split(" ").map((n) => BigInt(n));
let priceArr = input[2].split(" ").map((n) => BigInt(n));

let price = priceArr[0];
let answer = price * roadArr[0];

for (let i = 1; i < roadArr.length; ++i) {
    price = price > priceArr[i] ? priceArr[i] : price;
    let added = price * roadArr[i];
    answer += added;
}
console.log(String(answer));

 

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'๐Ÿ”’Algorithm' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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