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#include <bits/stdc++.h>

using namespace std;

typedef long long LL;

LL t[200007];

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    LL n, m; cin >> n >> m;
    for(int i = 1; i <= n; i++)
        cin >> t[i];
    for(int i = 1; i <= m; i++)
    {
        LL d; cin >> d;
        LL p = 0ll, res = 0ll;
        for(int j = 1; j <= n; j++)
        {
            LL nw = max(p + d, t[j]);
            res += abs(t[j] - nw);
            p = nw;
        }
        cout << res << "\n";
    }
    return 0;
}