๐ ๋ฌธ์
๋จธ์ฑ์ด๋ ์น๊ตฌ์๊ฒ ๋ชจ์ค๋ถํธ๋ฅผ ์ด์ฉํ ํธ์ง๋ฅผ ๋ฐ์์ต๋๋ค. ๊ทธ๋ฅ์ ์ฝ์ ์ ์์ด ์ด๋ฅผ ํด๋
ํ๋ ํ๋ก๊ทธ๋จ์ ๋ง๋ค๋ ค๊ณ ํฉ๋๋ค. ๋ฌธ์์ด letter๊ฐ ๋งค๊ฐ๋ณ์๋ก ์ฃผ์ด์ง ๋, letter๋ฅผ ์์ด ์๋ฌธ์๋ก ๋ฐ๊พผ ๋ฌธ์์ด์ return ํ๋๋ก solution ํจ์๋ฅผ ์์ฑํด๋ณด์ธ์.
๋ชจ์ค๋ถํธ๋ ๋ค์๊ณผ ๊ฐ์ต๋๋ค.
morse = {
'.-':'a','-...':'b','-.-.':'c','-..':'d','.':'e','..-.':'f',
'--.':'g','....':'h','..':'i','.---':'j','-.-':'k','.-..':'l',
'--':'m','-.':'n','---':'o','.--.':'p','--.-':'q','.-.':'r',
'...':'s','-':'t','..-':'u','...-':'v','.--':'w','-..-':'x',
'-.--':'y','--..':'z'
}
๐ ์ ํ์ฌํญ
- 1 ≤ letter์ ๊ธธ์ด ≤ 1,000
- return๊ฐ์ ์๋ฌธ์์ ๋๋ค.
- letter์ ๋ชจ์ค๋ถํธ๋ ๊ณต๋ฐฑ์ผ๋ก ๋๋์ด์ ธ ์์ต๋๋ค.
- letter์ ๊ณต๋ฐฑ์ ์ฐ์์ผ๋ก ๋ ๊ฐ ์ด์ ์กด์ฌํ์ง ์์ต๋๋ค.
- ํด๋ ํ ์ ์๋ ํธ์ง๋ ์ฃผ์ด์ง์ง ์์ต๋๋ค.
- ํธ์ง์ ์์๊ณผ ๋์๋ ๊ณต๋ฐฑ์ด ์์ต๋๋ค.
๐ ์ ์ถ๋ ฅ ์
letter result
".... . .-.. .-.. ---" "hello"
".--. -.-- - .... --- -." "python"
๐ ์ ์ถ๋ ฅ ์ ์ค๋ช
- ์
์ถ๋ ฅ ์ #1
.... = h
. = e
.-.. = l
.-.. = l
--- = o
๋ฐ๋ผ์ "hello"๋ฅผ return ํฉ๋๋ค. - ์
์ถ๋ ฅ ์ #2
.--. = p
-.-- = y
- = t
.... = h
--- = o
-. = n
๋ฐ๋ผ์ "python"์ return ํฉ๋๋ค. - a ~ z์ ํด๋นํ๋ ๋ชจ์ค๋ถํธ๊ฐ ์์๋๋ก ๋ด๊ธด ๋ฐฐ์ด์ ๋๋ค.
- {".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."}
๐ง ํ์ด
function solution(letter) {
morse = {
'.-':'a','-...':'b','-.-.':'c','-..':'d','.':'e','..-.':'f',
'--.':'g','....':'h','..':'i','.---':'j','-.-':'k','.-..':'l',
'--':'m','-.':'n','---':'o','.--.':'p','--.-':'q','.-.':'r',
'...':'s','-':'t','..-':'u','...-':'v','.--':'w','-..-':'x',
'-.--':'y','--..':'z'
};
// ๋ฌธ์์ด letter๋ฅผ ๊ณต๋ฐฑ ๊ธฐ์ค์ผ๋ก ํ๋์ ์์๊ฐ ๋๋ ๋ฐฐ์ด๋ก ๋ณํ
const letter_array = letter.split(" ");
// map์ผ๋ก morse ๊ฐ์ฒด์ value ๊ฐ์ผ๋ก ๊ฐ ์์๋ฅผ ๋ฐ๊พธ๊ณ , ์ด๋ฅผ ๊ณต๋ฐฑ์์ด ๋ฌธ์์ด๋ก ํฉ์น๊ธฐ
return letter_array.map(l => morse[l]).join("");
}
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