ํ‹ฐ์Šคํ† ๋ฆฌ ๋ทฐ

๋ฌธ์ œ

๋„ค์˜ค์™€ ํ”„๋กœ๋„๊ฐ€ ์ˆซ์ž๋†€์ด๋ฅผ ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ๋„ค์˜ค๊ฐ€ ํ”„๋กœ๋„์—๊ฒŒ ์ˆซ์ž๋ฅผ ๊ฑด๋„ฌ ๋•Œ ์ผ๋ถ€ ์ž๋ฆฟ์ˆ˜๋ฅผ ์˜๋‹จ์–ด๋กœ ๋ฐ”๊พผ ์นด๋“œ๋ฅผ ๊ฑด๋„ค์ฃผ๋ฉด ํ”„๋กœ๋„๋Š” ์›๋ž˜ ์ˆซ์ž๋ฅผ ์ฐพ๋Š” ๊ฒŒ์ž„์ž…๋‹ˆ๋‹ค.

๋‹ค์Œ์€ ์ˆซ์ž์˜ ์ผ๋ถ€ ์ž๋ฆฟ์ˆ˜๋ฅผ ์˜๋‹จ์–ด๋กœ ๋ฐ”๊พธ๋Š” ์˜ˆ์‹œ์ž…๋‹ˆ๋‹ค.

  • 1478 → "one4seveneight"
  • 234567 → "23four5six7"
  • 10203 → "1zerotwozero3"

์ด๋ ‡๊ฒŒ ์ˆซ์ž์˜ ์ผ๋ถ€ ์ž๋ฆฟ์ˆ˜๊ฐ€ ์˜๋‹จ์–ด๋กœ ๋ฐ”๋€Œ์–ด์กŒ๊ฑฐ๋‚˜, ํ˜น์€ ๋ฐ”๋€Œ์ง€ ์•Š๊ณ  ๊ทธ๋Œ€๋กœ์ธ ๋ฌธ์ž์—ด s๊ฐ€ ๋งค๊ฐœ๋ณ€์ˆ˜๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค. s๊ฐ€ ์˜๋ฏธํ•˜๋Š” ์›๋ž˜ ์ˆซ์ž๋ฅผ return ํ•˜๋„๋ก solution ํ•จ์ˆ˜๋ฅผ ์™„์„ฑํ•ด์ฃผ์„ธ์š”.

์ฐธ๊ณ ๋กœ ๊ฐ ์ˆซ์ž์— ๋Œ€์‘๋˜๋Š” ์˜๋‹จ์–ด๋Š” ๋‹ค์Œ ํ‘œ์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์ˆซ์ž์˜๋‹จ์–ด

0 zero
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine

์ œํ•œ์‚ฌํ•ญ

  • 1 ≤ s์˜ ๊ธธ์ด ≤ 50
  • s๊ฐ€ "zero" ๋˜๋Š” "0"์œผ๋กœ ์‹œ์ž‘ํ•˜๋Š” ๊ฒฝ์šฐ๋Š” ์ฃผ์–ด์ง€์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
  • return ๊ฐ’์ด 1 ์ด์ƒ 2,000,000,000 ์ดํ•˜์˜ ์ •์ˆ˜๊ฐ€ ๋˜๋Š” ์˜ฌ๋ฐ”๋ฅธ ์ž…๋ ฅ๋งŒ s๋กœ ์ฃผ์–ด์ง‘๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ

sresult

"one4seveneight" 1478
"23four5six7" 234567
"2three45sixseven" 234567
"123" 123

์ž…์ถœ๋ ฅ ์˜ˆ ์„ค๋ช…

์ž…์ถœ๋ ฅ ์˜ˆ #1

  • ๋ฌธ์ œ ์˜ˆ์‹œ์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #2

  • ๋ฌธ์ œ ์˜ˆ์‹œ์™€ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #3

  • "three"๋Š” 3, "six"๋Š” 6, "seven"์€ 7์— ๋Œ€์‘๋˜๊ธฐ ๋•Œ๋ฌธ์— ์ •๋‹ต์€ ์ž…์ถœ๋ ฅ ์˜ˆ #2์™€ ๊ฐ™์€ 234567์ด ๋ฉ๋‹ˆ๋‹ค.
  • ์ž…์ถœ๋ ฅ ์˜ˆ #2์™€ #3๊ณผ ๊ฐ™์ด ๊ฐ™์€ ์ •๋‹ต์„ ๊ฐ€๋ฆฌํ‚ค๋Š” ๋ฌธ์ž์—ด์ด ์—ฌ๋Ÿฌ ๊ฐ€์ง€๊ฐ€ ๋‚˜์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ž…์ถœ๋ ฅ ์˜ˆ #4

  • s์—๋Š” ์˜๋‹จ์–ด๋กœ ๋ฐ”๋€ ๋ถ€๋ถ„์ด ์—†์Šต๋‹ˆ๋‹ค.

์ œํ•œ์‹œ๊ฐ„ ์•ˆ๋‚ด

  • ์ •ํ™•์„ฑ ํ…Œ์ŠคํŠธ : 10์ดˆ

๋ฌธ์ œํ’€์ด

  • ์ •๊ทœํ‘œํ˜„์‹์„ ์‚ฌ์šฉํ•˜์—ฌ ์ˆซ์ž์™€ ๋ฌธ์ž๋ฅผ ๊ตฌ๋ถ„
  • ๊ตฌ๋ถ„๋œ ๋ฌธ์ž๋ฅผ ์ž„์‹œ ๋ฐฐ์—ด์— ์ €์žฅ
  • ํ•ด๋‹น ์ž„์‹œ ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ๋ฐ”๊พผ ๋’ค ์˜๋‹จ์–ด ๋ฐฐ์—ด ๋‚ด์— ํฌํ•จ๋˜์–ด ์žˆ๋Š”์ง€ ์‹๋ณ„
  • ์‹๋ณ„ํ•œ ๊ฒฐ๊ณผ ๊ฐ’์ด true์ผ ๊ฒฝ์šฐ ํ•ด๋‹น ๋ฌธ์ž์—ด์˜ ์ธ๋ฑ์Šค๋ฅผ ๋ฌธ์ž๋กœ ๋ฐ˜ํ™˜ํ•˜์—ฌ ์ˆ˜์ •๋œ ๋ฌธ์ž์—ด์— ์ถ”๊ฐ€

์ฝ”๋“œ

function solution(s) {
    var answer = 0;
    let nums = ['zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine'];
    let regExp = /[a-z]/;
    let newS = "";
    let tmp = [];
    for(let i = 0; i < s.length; i++) {
        if(regExp.test(s[i])) {
            tmp.push(s[i]);
                if(nums.includes(tmp.join(''))) {
                    newS += nums.indexOf(tmp.join('')).toString();
                    tmp = [];
        }
      }
        else newS += s[i];
    }

    answer = Number(newS);
    return answer

 

๋‹ค๋ฅธ ์‚ฌ๋žŒ ํ’€์ด

function solution(s) {
    let numbers = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"];
    var answer = s;

    for(let i=0; i< numbers.length; i++) {
        let arr = answer.split(numbers[i]);
        answer = arr.join(i);
    }

    return Number(answer);
}

split์˜ ๊ตฌ๋ถ„ ๊ธฐ๋Šฅ๊ณผ join์˜ ์—ฐ๊ฒฐ ๊ธฐ๋Šฅ์„ ์ด์šฉํ•˜์—ฌ ๋ฌธ์ž๋ฅผ ๋ณ€ํ™˜ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ๊ฒƒ์ด ์ฐธ์‹ ํ•˜์—ฌ ํฌ์ŠคํŒ… ํ•ด๋ณธ๋‹ค.

  1. String.prototype.split ์‚ฌ์šฉ: [" ", "4seveneight]๋กœ ๋ถ„๋ฆฌ ๋œ ๋ฐฐ์—ด ๋ฐ˜ํ™˜
  2. Array.prototype.join ์‚ฌ์šฉ: ์š”์†Œ์™€ ์š”์†Œ ์‚ฌ์ด ๊ฐ„ ์ˆซ์ž 1์„ ์ถ”๊ฐ€ํ•œ ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด "14seveneight" ๋ฐ˜ํ™˜

 

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