Birthday Cake Candles

import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;

class Result {

    /*
     * Complete the 'birthdayCakeCandles' function below.
     *
     * The function is expected to return an INTEGER.
     * The function accepts INTEGER_ARRAY candles as parameter.
     */

    public static int birthdayCakeCandles(List<Integer> candles) {
    // Write your code here
        int tallestCandle = candles.get(0);
        int count = 0;
        
        for (int candle: candles) {
            if (candle > tallestCandle)
                tallestCandle = candle;
        }
        
        for (int candle: candles) {
            if (candle == tallestCandle)
                count ++;
        }
        
        return count;
    }

}

public class Solution {
    public static void main(String[] args) throws IOException {
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        int candlesCount = Integer.parseInt(bufferedReader.readLine().trim());

        List<Integer> candles = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
            .map(Integer::parseInt)
            .collect(toList());

        int result = Result.birthdayCakeCandles(candles);

        bufferedWriter.write(String.valueOf(result));
        bufferedWriter.newLine();

        bufferedReader.close();
        bufferedWriter.close();
    }
}

 

 

입력받은 값 중에서 제일 큰값을 구하고 해당 하는 값과 동일한 값의 갯수를 카운팅하여 리턴하는 문제

 

문제출처 : www.hackerrank.com