public static long arrayManipulation2(int n, int[][] queries)
{
Ranges ranges = new Ranges(n);
for (int i = 0; i < queries.Length; i++)
{
int[] query = queries[i];
int a = query[0] - 1;
int b = query[1] - 1;
int k = query[2];
ranges.DoOperation(a, b, k);
}
return(ranges.maxValue);
}