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#include <cstdio>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <queue>
#include <list>
#include <vector>
#include <map>
#include <set>
#include <string>
#include <cstring>
#include <cassert>
#include <limits.h>

using namespace std;

#define ST first
#define ND second
#define MP make_pair
#define PB push_back

typedef long long LL;
typedef long double LD;

typedef vector<int> VI;
typedef pair<int,int> PII;
#define REP(i,n) for(int i=0;i<(n);i++)
#define FOR(i,a,b) for(VAR(i,a);i<=(b);++i)
#define FORD(i,a,b) for(VAR(i,a);i>=(b);--i)
#define FORE(a,b) for(VAR(a,(b).begin());a!=(b).end();++a)
#define VAR(a,b) __typeof(b) a=(b)
#define SIZE(a) ((int)((a).size()))
#define ALL(x) (x).begin(),(x).end()
#define CLR(x,a) memset(x,a,sizeof(x))
#define ZERO(x) memset(x,0,sizeof(x))

const int MAXN=200000+5;
const int MAXM=1000000+5;

int n, m;
LL results[MAXM];
int d[MAXN];

struct interval {
    LL dt;
    LL p;
    bool sentry;
    int next;
    bool removed;
};

interval intervals[MAXN];
LL dr=0;

class intervalcmp
{
public:
    bool operator() (const int& l, const int&r) const
    {
        if (intervals[r].sentry) {
            return false;
        }
        return (intervals[l].p+1)*intervals[r].dt < (intervals[r].p+1)*intervals[l].dt;
    }
};

int main() {
    ios_base::sync_with_stdio(0);
    
    cin>>n;
    cin>>m;
    priority_queue<int, vector<int>, intervalcmp> iq;
    
    LL ti1;
    LL ti=0;
    int i=0;
    intervals[0].dt=LONG_LONG_MAX/10000000;
    intervals[0].next=1;
    intervals[0].sentry=true;
    FOR(iii, 1, n) {
        ti1 = ti;
        cin>>ti;
        if (ti>ti1) {
            i++;
            intervals[i].dt=ti-ti1;
            intervals[i].next=i+1;
        } else {
            intervals[i+1].p += 1;
        }
    }
    n=i;
    intervals[n+1].sentry=true;
    intervals[n+1].dt=LONG_LONG_MAX/10000000;
    intervals[n+1].next=n+1;
    
    FOR(i,0,n+1) {
        dr = dr + (intervals[i].p+1)*intervals[i].p / 2;
        iq.push(i);
    }
    
    int maxd=0;
    REP(i, m) {
        cin >> d[i];
        if (maxd<d[i]) {
            maxd=d[i];
        }
    }
    
    FOR(s,1,maxd) {
        results[s] = results[s-1] + dr;
//        cout<<results[s]<<"\n";
        while (true) {
            int top=iq.top();
            interval &i0 = intervals[top];
            
            if (i0.removed) {
                iq.pop();
                continue;
            } else if (s*(i0.p+1) >= i0.dt) {
//                cout<<top<<"\n";
//                printf("s %d i %d dt %lld p %d\n", s, top, i0.dt, i0.p);
                iq.pop();
                interval &i1 = intervals[i0.next];
                if (!i1.sentry) {
                    i1.removed = true;
                }
                
                LL p = i0.p + i1.p + 1;
                dr = dr + (p*(p+1)-(i0.p*(i0.p+1))-(i1.p*(i1.p+1)))/2;
                results[s] += (s*(i0.p+1)-i0.dt)*(i1.p);
                results[s] += s*(i0.p+1)-i0.dt;
                
                i0.next = i1.next;
                i0.p = p;
                i0.dt = i0.dt + i1.dt;
                iq.push(top);
                
            } else {
                break;
            }
        };
    }
    
    REP(i, m) {
        cout<<results[d[i]]<<"\n";
    }
    
    return 0;
}