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2D Array - DS(HackerRank)
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2D Array - DS(HackerRank)
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import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;
public class Solution {
// Complete the hourglassSum function below.
static int hourglassSum(int[][] arr)
{
List<Integer> list = new ArrayList<>();
for(int i=0;i<4;i++)
{
for(int j=0;j<4;j++)
{
int sum=0;
sum = sum + arr[i][j] + arr[i][j+1] + arr[i][j+2] +
arr[i+1][j+1] + arr[i+2][j] + arr[i+2][j+1] + arr[i+2][j+2];
list.add(sum);
}
}
Collections.sort(list);
int result = list.get(list.size()-1);
return result;
}
private static final Scanner scanner = new Scanner(System.in);
public static void main(String[] args) throws IOException {
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
int[][] arr = new int[6][6];
for (int i = 0; i < 6; i++) {
String[] arrRowItems = scanner.nextLine().split(" ");
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
for (int j = 0; j < 6; j++) {
int arrItem = Integer.parseInt(arrRowItems[j]);
arr[i][j] = arrItem;
}
}
int result = hourglassSum(arr);
bufferedWriter.write(String.valueOf(result));
bufferedWriter.newLine();
bufferedWriter.close();
scanner.close();
}
}