🌠 문제

3x λ§ˆμ„ μ‚¬λžŒλ“€μ€ 3을 μ €μ£Όμ˜ μˆ«μžλΌκ³  μƒκ°ν•˜κΈ° λ•Œλ¬Έμ— 3의 λ°°μˆ˜μ™€ μˆ«μž 3을 μ‚¬μš©ν•˜μ§€ μ•ŠμŠ΅λ‹ˆλ‹€. 3x λ§ˆμ„ μ‚¬λžŒλ“€μ˜ μˆ«μžλŠ” λ‹€μŒκ³Ό κ°™μŠ΅λ‹ˆλ‹€.

10진법 3x λ§ˆμ„μ—μ„œ μ“°λŠ” μˆ«μž 10진법 3x λ§ˆμ„μ—μ„œ μ“°λŠ” μˆ«μž
1 1 6 8
2 2 7 10
3 4 8 11
4 5 9 14
5 7 10 16
μ •μˆ˜ n이 λ§€κ°œλ³€μˆ˜λ‘œ μ£Όμ–΄μ§ˆ λ•Œ, n을 3x λ§ˆμ„μ—μ„œ μ‚¬μš©ν•˜λŠ” μˆ«μžλ‘œ λ°”κΏ” returnν•˜λ„λ‘ solution ν•¨μˆ˜λ₯Ό μ™„μ„±ν•΄μ£Όμ„Έμš”.

🌠 μ œν•œμ‚¬ν•­

  • 1 ≤ n ≤ 100

🌠 μž…μΆœλ ₯ 예

n result
15 25
40 76

🌠 μž…μΆœλ ₯ 예 μ„€λͺ…

μž…μΆœλ ₯ 예 #1

  • 15λ₯Ό 3x λ§ˆμ„μ˜ 숫자둜 λ³€ν™˜ν•˜λ©΄ 25μž…λ‹ˆλ‹€.

μž…μΆœλ ₯ 예 #2

  • 40을 3x λ§ˆμ„μ˜ 숫자둜 λ³€ν™˜ν•˜λ©΄ 76μž…λ‹ˆλ‹€.

🧞 풀이

function solution(n) {
    let answer = 0;
    for (let i = 1; i <= n; i ++) {
        answer += 1;
        while (answer % 3 === 0 || answer.toString().split("").map(Number).includes(3)) {
            answer += 1;
        }
        console.log(i, "번째", answer)
    }
    return answer;
}

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