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Count and Say #61

Closed
Tracked by #100
fkdl0048 opened this issue Oct 6, 2024 · 0 comments
Closed
Tracked by #100

Count and Say #61

fkdl0048 opened this issue Oct 6, 2024 · 0 comments
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@fkdl0048
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fkdl0048 commented Oct 6, 2024

class Solution {
public:
    string countAndSay(int n) {
        return countAndSayRecursion(n);
    }

private:
    string countAndSayRecursion(int n){
        if (n == 1) return "1";

        string prev = countAndSayRecursion(n - 1);
        string result = "";
        int count = 1;

        for (int i = 1; i < prev.size(); i++) {
            if (prev[i] == prev[i - 1]) {
                count++;
            }
            else {
                result += to_string(count) + prev[i - 1];
                count = 1;
            }
        }
        result += to_string(count) + prev.back();

        return result;
    }
};
  • 재귀 풀이로 기제사례는 명확하나, 전 문자열의 숫자를 세고 붙이는 방식의 반복문이 어색했음
@fkdl0048 fkdl0048 mentioned this issue Oct 6, 2024
7 tasks
@fkdl0048 fkdl0048 self-assigned this Oct 6, 2024
@fkdl0048 fkdl0048 added this to Todo Oct 6, 2024
@github-project-automation github-project-automation bot moved this to Todo in Todo Oct 6, 2024
@fkdl0048 fkdl0048 added this to the LeetCode milestone Oct 6, 2024
@fkdl0048 fkdl0048 moved this from Todo to Two-Week Plan in Todo Oct 6, 2024
@fkdl0048 fkdl0048 closed this as completed Oct 8, 2024
@github-project-automation github-project-automation bot moved this from Two-Week Plan to Done in Todo Oct 8, 2024
@fkdl0048 fkdl0048 mentioned this issue Oct 15, 2024
47 tasks
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