2023.09.22 Today's Challenge

https://leetcode.com/problems/is-subsequence/

LeetCode - The World's Leading Online Programming Learning Platform

생각보다 생각할게 좀 있는 문제.

class Solution:
    def isSubsequence(self, s: str, t: str) -> bool:
        i, j = 0, 0
        while i < len(s) and j < len(t):
            if s[i] == t[j]:
                i += 1
            j += 1
        return i == len(s)