Breaking The Records HackerRank Algorithms

Time O(N) [traversing array]

Space O(N) [due to use of arraylist] 



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 'breakingRecords' function below.
     *
     * The function is expected to return an INTEGER_ARRAY.
     * The function accepts INTEGER_ARRAY scores as parameter.
     */

    public static List<Integer> breakingRecords(List<Integer> scores) {
        System.out.println(scores);
        ArrayList<Integer> aa=new ArrayList<Integer>();
        int max=scores.get(0);
        int count1=0;
        int count2=0;
        for(int i=1;i<scores.size();i++){
            int a=scores.get(i);
            if(a>max){
                max=a;
                count1++;
            }
        }
        int min=scores.get(0);
        for(int i=1;i<scores.size();i++){
            int a=scores.get(i);
            if(a<min){
                min=a;
                count2++;
            }
        }
        aa.add(count1);
        aa.add(count2);
        return aa;
    }

}

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 n = Integer.parseInt(bufferedReader.readLine().trim());

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

        List<Integer> result = Result.breakingRecords(scores);

        bufferedWriter.write(
            result.stream()
                .map(Object::toString)
                .collect(joining(" "))
            + "\n"
        );

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


Thanks for reading.

Comments

Popular posts from this blog

Solutions Of Practice Questions Dated 01-06-2022

CODEFORCES SPY DETECTED ROUND 713

Maximum Winning Score Geeks For Geeks