LeetCode 2072: The Winner University Solution
Master LeetCode problem 2072 (The Winner University), 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.
2072. The Winner University
Problem Explanation
Explanation
To solve this problem, we can use a hashmap to store the count of votes for each candidate. We iterate through the list of votes, updating the count for each candidate in the hashmap. Finally, we find the candidate with the highest count to determine the winner.
- Initialize a hashmap to store the count of votes for each candidate.
- Iterate through the list of votes and update the count for each candidate in the hashmap.
- Find the candidate with the highest count to determine the winner.
Time complexity: O(n) where n is the number of votes
Space complexity: O(n) where n is the number of votes
Solution Code
class Solution {
public String findWinner(String[] votes) {
Map<String, Integer> count = new HashMap<>();
String winner = "";
int maxVotes = 0;
for (String vote : votes) {
count.put(vote, count.getOrDefault(vote, 0) + 1);
if (count.get(vote) > maxVotes) {
maxVotes = count.get(vote);
winner = vote;
} else if (count.get(vote) == maxVotes && vote.compareTo(winner) < 0) {
winner = vote;
}
}
return winner;
}
}Try It Yourself
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