1768.merge-strings-alternately.cpp

class Solution
{
public:
    string mergeAlternately(string word1, string word2)
    {
        string ans="";
        int i = 0, j = 0 ,m=0;
        while (i < word1.length() && j < word2.length())
        {
            if (m % 2 == 0)
            {
                ans += word1[i++];
            }
            else
            {
                ans += word2[j++];
            }
            m++;
        }
        while (i < word1.length())
        {
            ans += word1[i++];
        }
        while (j < word2.length())
        {
            ans += word2[j++];
        }
        return ans;
    }
};