pm0UAj - Online IDE & Debugging Tool

using static IO;
public class IO
{
public static IO Cin = new();
public static StreamReader reader = new(Console.OpenStandardInput());
public static StreamWriter writer = new(Console.OpenStandardOutput());
public static implicit operator string(IO _) => reader.ReadLine();
public static implicit operator char[](IO _) => reader.ReadLine().ToArray();
public static implicit operator int(IO _) => int.Parse(reader.ReadLine());
public static implicit operator double(IO _) => double.Parse(reader.ReadLine());
public static implicit operator string[](IO _) => reader.ReadLine().Split();
public static implicit operator int[](IO _) => Array.ConvertAll(reader.ReadLine().Split(), int.Parse);
public void Deconstruct(out int a, out int b) { int[] r = Cin; (a, b) = (r[0], r[1]); }
public void Deconstruct(out int a, out int b, out int c) { int[] r = Cin; (a, b, c) = (r[0], r[1], r[2]); }
public static void Loop(int end, Action<int> action, int start = 0, in int add = 1) { for (; start < end; start += add) action(start); }
public static object? Cout { set { writer.Write(value); } }
public static object? Coutln { set { writer.WriteLine(value); } }
public static void Main() { Program.Coding(); writer.Flush(); }
}
class Program
{
    public static void Coding()
    {
        checked
        {
            (int n, int m) = Cin;
            int[] source = Cin;
            int[] diff = new int[n + 1];

            Loop(m, _ =>
            {
                (int l, int r, int add) = Cin;
                diff[l - 1] += add;
                diff[r] -= add;
            });

            int[] result = new int[n];
            result[0] = diff[0];
            Loop(n, i => result[i] = result[i - 1] + diff[i], 1);

            Cout = string.Join(' ', Enumerable.Range(0, n).Select(i => source[i] + result[i]));
        }
    }
}