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Shortest Word Distance

Shortest Word Distance

作者: yanyuchen | 来源:发表于2017-11-25 07:06 被阅读0次

    class Solution {

    public int shortestDistance(String[] words, String word1, String word2) {

    if(words == null || words.length == 0){

    return -1;

    }

    int diff = Integer.MAX_VALUE;

    int index = -1;

    for(int i = 0; i < words.length; i++){

    if( words[i].equals(word1) || words[i].equals(word2)){

    if(index != -1 && !words[index].equals(words[i])){

    diff = Math.min(i - index, diff);

    }

    index = i;

    }

    }

    return diff;

    }

    }

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