Leetcode 392 Solution

This article provides solution to leetcode question 392 (is-subsequence)
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https://leetcode.com/problems/is-subsequence

Solution

class Solution {
public:
    bool isSubsequence(string s, string t) {
        if (s.size() == 0)
            return true;

        int i = 0;
        int m = s.size();
        int n = t.size();

        for (int j = 0; j < n; j++)
        {
            if (s[i] == t[j])
                i++;

            if (i == m)
                return true;
        }

        return false;
    }
};