TIL-2024.04.05 - 코테연습 - 햄버거 만들기(1) & 문자열 나누기(1).programmers

 

 

 

URL:

https://school.programmers.co.kr/learn/courses/30/lessons/133502

프로그래머스

 

 

내가 푼 코딩(0):

// URL > https://school.programmers.co.kr/learn/courses/30/lessons/133502

const solution = (ingredient) => {
    let temp = [];
    let count = 0;
    for (let i = 0; i < ingredient.length; i++) {
        temp.push(ingredient[i]);
        if(temp.slice(-4).join('') === '1231'){
            count += 1;
            temp.splice(-4);
        }
    }
    return count;
};

console.log("result:: ", solution([ 2, 1, 1, 2, 3, 1, 2, 3, 1 ])); //2
// console.log("result:: ", solution([ 1, 3, 2, 1, 2, 1, 3, 1, 2 ])); //0
// console.log("result:: ", solution([ 1, 2, 3, 1 ])); // 1
// console.log("result:: ", solution([ 1, 1, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3, 1 ])); // 3

 

 

 

---

 

 

 

URL:

https://school.programmers.co.kr/learn/courses/30/lessons/140108

프로그래머스

 

 

 

내가 푼 코드: 

 

// URL > https://school.programmers.co.kr/learn/courses/30/lessons/140108

const solution = (s) => {
    let count = 0;
    let first = s[0];
    let skipCount = 0;
    for (let i = 1; i <= s.length; ++i) {
        if (s[i] === undefined) {
            count += 1;
            break;
        }

        if (first === s[i]) {
            skipCount += 1;
        } else {
            if (skipCount === 0) {
                count += 1;
                first = s[i + 1];
                skipCount = 0;
                i++;
            } else {
                skipCount -= 1;
            }
        }
    }

    return count;
};

console.log("result:: ", solution("baaa")); // 2
// console.log("result:: ", solution("banana")); // 3
// console.log("result:: ", solution("abracadabra")); // 6
// console.log("result:: ", solution("aaabbaccccabba")); //3
//