๋ฐฑ์ค€_2839: ์„คํƒ• ๋ฐฐ๋‹ฌ (node.js/JavaScript)

2024. 10. 27. 20:52ยทbaekjoon

โžก๏ธ ๋ฌธ์ œ: ์„คํƒ• ๋ฐฐ๋‹ฌ

 

 

๐Ÿ ์ œ์ถœ

let n = +require('fs').readFileSync(0).toString().trim();
let r = [];
for (let x = 0; x < n; x++) {
    for (let y = 0; y < n; y++) {
        if (3 * x + 5 * y === n) {
            r.push(x + y);
        }
    }
}
console.log(r.length > 0 ? Math.min(...r) : -1);

 

๐Ÿ ๊ณผ์ •

 

3x+5y = n; ์„ ์กฐ๊ฑด์œผ๋กœ ๋งž๋Š” x,y ์กฐํ•ฉ์„ ๋นˆ๋ฐฐ์—ด์— ๋„ฃ์–ด์ฃผ๋Š” ๊ฒƒ์„ ์ƒ๊ฐํ–ˆ๋‹ค.

 

์กฐ๊ฑด๋ฌธ์— ํ•ด๋‹นํ•˜๋Š” ๊ฐ’์ด ์—†์œผ๋ฉด ๋นˆ๋ฐฐ์—ด ๊ทธ๋Œ€๋กœ์ผํ…Œ๋‹ˆ๊นŒ ๋ฐฐ์—ด์˜ ๊ธธ์ด๋ฅผ ํ™•์ธํ•˜๊ณ  0๋ณด๋‹ค ํฌ๋ฉด r์˜ ์ตœ์†Œ๊ฐ’์„, ์•„๋‹ˆ๋ฉด -1์„ ์ถœ๋ ฅํ–ˆ๋‹ค.

'baekjoon' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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'baekjoon' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
  • ๋ฐฑ์ค€_18110: solved.ac (node.js/JavaScript)
  • ๋ฐฑ์ค€_11866 : ์š”์„ธํ‘ธ์Šค ๋ฌธ์ œ 0 (node.js/JavaScript)
  • ๋ฐฑ์ค€_10773: ์ œ๋กœ (node.js/JavaScript)
  • ๋ฐฑ์ค€_26069: ๋ถ™์ž„์„ฑ ์ข‹์€ ์ด์ด์ด (node.js/JavaScript)
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๋ฐฑ์ค€_2839: ์„คํƒ• ๋ฐฐ๋‹ฌ (node.js/JavaScript)
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