ArrayManupilation.java

import java.util.Arrays;

public class ArrayManupilation {
    static long arrayManipulation(int n, int[][] queries) {
        long[] arr = new long[n+1];
        for (int[] query : queries) {
            for(int i = query[0];i <= query[1]; i++) {
                arr[i] += query[2];
            }
        }

        return Arrays.stream(arr).max().getAsLong();
    }
}