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#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int tablica[200001];

int main()
{
	ios::sync_with_stdio(0);

	int a, b, x, y, t;

	long long int wynik = 0;

	cin >> a;
	cin >> b;

	for (int i = 0; i < a; i++)
	{
		cin >> x;
		tablica[i] = x;
	}
	for (int i = 0; i < b; i++)
	{
		cin >> x;
		t = 0;
		wynik = 0;
		for (int j = 0; j < a; j++)
		{
			y = tablica[j];
			if (t > y - x)
			{
				t += x;
				wynik += t - y;
			}
			else { t = y; }
		}
		cout << wynik << "\n";
	}
}