Leetcode 243 Solution

This article provides solution to leetcode question 243 (shortest-word-distance)
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https://leetcode.com/problems/shortest-word-distance

Solution

class Solution {
public:
    int shortestDistance(vector<string>& words, string word1, string word2) {
        int j1 = -1;
        int j2 = -1;
        int min_dist = INT_MAX;

        for (int i = 0; i < words.size(); i++)
        {
            if (word1 == words[i])
                j1 = i;
            else if (word2 == words[i])
                j2 = i;

            if (j1 != -1 && j2 != -1)
            {
                min_dist = min(min_dist, (int)abs(j1 - j2));
            }
        }

        return min_dist;
    }
};