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#include <iostream>
#include <vector>

using namespace std;

int main()
{
	int cNumber = 0;
	int pNumber = 0;
	std::cin >> cNumber;
	std::cin >> pNumber;

	vector<long long> cTimes(cNumber);
	for (int i = 0; i < cNumber; i++){
		std::cin >> cTimes[i];
	}

	vector<long long> pVelocity(pNumber);
	for (int i = 0; i < pNumber; i++){
		std::cin >> pVelocity[i];
		long long curentVelocity = pVelocity[i];
		int total = 0;
		int nextReady = curentVelocity;

		for (int j = 0; j < cNumber; j++){
		long long currentTime = cTimes[j];
			if (currentTime < nextReady) {
				total += nextReady - currentTime;
				nextReady += curentVelocity;
			} else {
				nextReady = currentTime + curentVelocity;
			}
		}
	
		std::cout << total << endl;
	}
	

	return 0;
}