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.
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