LeetCode 1294: Weather Type in Each Country Solution

Master LeetCode problem 1294 (Weather Type in Each Country), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

1294. Weather Type in Each Country

Easy

Database

Problem Explanation

Explanation:

To solve this problem, we can use a HashMap to store the weather type of each country. We iterate through the weather list and update the weather type of each country based on the given weather types. Finally, we return the weather types of all countries.

Algorithm:

Create a HashMap to store the weather type of each country.
Iterate through the given weather list.
Update the weather type of each country in the HashMap.
Return the weather types of all countries.

Time Complexity:

The time complexity of this solution is O(n), where n is the number of elements in the given weather list.

Space Complexity:

The space complexity of this solution is O(n), where n is the number of elements in the given weather list.

: :

Solution Code

import java.util.*;

class Solution {
    public List<String> weatherTypeInEachCountry(int[] weather) {
        Map<Integer, String> countryWeatherMap = new HashMap<>();
        countryWeatherMap.put(0, "Rainy");
        countryWeatherMap.put(1, "Cloudy");
        countryWeatherMap.put(2, "Sunny");

        List<String> result = new ArrayList<>();
        for (int w : weather) {
            result.add(countryWeatherMap.get(w));
        }

        return result;
    }
}

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What is the time complexity of LeetCode 1294 (Weather Type in Each Country)?

The time complexity for LeetCode 1294 (Weather Type in Each Country) varies by solution. Check the detailed explanation section for specific complexities in Java, C++, and Python implementations.

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