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Leetcode 392. Is Subsequence"

January 1, 0001

1239. Maximum Length of a Concatenated String with Unique Characters

Result

Runtime: 6 ms, faster than 21.93% of Java online submissions for Is Subsequence. Memory Usage: 41.8 MB, less than 63.47% of Java online submissions for Is Subsequence.

class Solution {
    public boolean isSubsequence(String s, String t) {
        if(s.length() == 0)
            return true;
        
        int index = 0;
        for(int i=0; i<t.length(); i++) {
            if(s.charAt(index) == t.charAt(i)) {
                index++;
            }
            if(index == s.length())
                return true;
        }
        return false;
    }
}