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LeetCode 599. Minimum Index Sum of Two Lists

时间:2018-12-05 23:21:52      阅读:273      评论:0      收藏:0      [点我收藏+]

标签:index   nat   min   tween   common   range   for   ati   order   

Suppose Andy and Doris want to choose a restaurant for dinner, and they both have a list of favorite restaurants represented by strings.

You need to help them find out their common interest with the least list index sum. If there is a choice tie between answers, output all of them with no order requirement. You could assume there always exists an answer.

Example 1:

Input:
["Shogun", "Tapioca Express", "Burger King", "KFC"]
["Piatti", "The Grill at Torrey Pines", "Hungry Hunter Steakhouse", "Shogun"]
Output: ["Shogun"]
Explanation: The only restaurant they both like is "Shogun".

Example 2:

Input:
["Shogun", "Tapioca Express", "Burger King", "KFC"]
["KFC", "Shogun", "Burger King"]
Output: ["Shogun"]
Explanation: The restaurant they both like and have the least index sum is "Shogun" with index sum 1 (0+1).

Note:

  • The length of both lists will be in the range of [1, 1000].
  • The length of strings in both lists will be in the range of [1, 30].
  • The index is starting from 0 to the list length minus 1.
  • No duplicates in both lists.
class Solution {
public:
    vector<string> findRestaurant(vector<string>& list1, vector<string>& list2) {
                   vector<string> res;
                   int minsum=999999;
                   for(int i=0; i<list1.size(); i++){
                        auto it=find(list2.begin(), list2.end(),list1[i]);
                        if(it!=list2.end()){
                        if((it-list2.begin())+i<minsum){
                            res.clear();
                            res.push_back(list1[i]);
                            minsum=it-list2.begin()+i;
                        }else if(it-list2.begin()+i==minsum)
                            res.push_back(list1[i]);
                        }     
                   }
                   return res;   
                      
    }
};

LeetCode 599. Minimum Index Sum of Two Lists

标签:index   nat   min   tween   common   range   for   ati   order   

原文地址:https://www.cnblogs.com/A-Little-Nut/p/10074043.html

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