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#include <bits/stdc++.h>

using namespace std;

#define fru(j,n) for(int j=0; j<(n); ++j)
#define tr(it,v) for(auto it=(v).begin(); it!=(v).end(); ++it)
#define x first
#define y second
#define pb push_back
#define ALL(G) (G).begin(),(G).end()

//#define DEBUG
#ifdef DEBUG
#define DEB printf
#else
#define DEB(...)
#endif

typedef double D;
typedef long long LL;
typedef pair<LL,int> pli;
typedef vector<int> vi;

const int mod = 1000000007;
const int MAXN = 200006;//10^6

LL T[MAXN];

int Q[MAXN];
LL ANS[MAXN];
int n;

LL brut(int d){
	 LL last=-(1LL<<50),ret=0;
	 fru(i,n){
		  last=max(last,T[i]-d)+d;
		  ret+=last-T[i];
	 }
	 return ret;
}
LL kw(int a){return 1LL*a*(a+1)/2;}
LL cost;

int REP[MAXN],siz[MAXN],rig[MAXN],lef[MAXN];
bool self[MAXN];
int find(int x){
	 return REP[x]==x?x:(REP[x]=find(REP[x]));
}
void onion(int a, int b){
	 DEB("\tzlaczam %d i %d\n",a,b);
	 a=find(a);
	 b=find(b);
	 assert(a && b);
	 if(a==b) return;
	 if(!self[a]) cost-=kw(siz[a]);
	 if(!self[b]) cost-=kw(siz[b]);
	 siz[a]+=siz[b];
	 cost+=kw(siz[a]);
	 REP[b]=REP[a];
	 rig[a]=max(rig[a],rig[b]);
	 lef[a]=min(lef[a],lef[b]);
	 assert(siz[a]==rig[a]-lef[a]+1);
	 self[b]=0;
}
set<pli> events;

LL begg(int id,int d){
	 id=find(id);
	 if(self[id]) return T[id]-d;
	 return T[lef[id]-1];
}

void make_event(int a,int b, int d){
	 a=find(a);
	 b=find(b);
	 DEB("make_event %d %d %d\n",a,b,d);
	 assert(self[b] && siz[b]==1);
	 assert(a<b);
	 if(self[a]){
		  DEB("R[a]=0 wiec %lld, %d\n",T[b]-T[a]+1,b);
		  events.insert(pli(T[b]-T[a]+1,b));
		  return;
	 }
	 LL en=begg(a,d);
	 LL b2=T[b];
	 DEB("en = %lld, b2 = %lld\n",en,b2);
	 assert(en+1LL*d*siz[a]<b2);
	 events.insert(pli((b2-en)/(1+siz[find(a)])+1,b));
	 DEB("dodaje %lld,%d\n",(b2-en)/(1+siz[find(a)])+1,b);
}

int main(){
	 int m,milion=1000*1000;
	 scanf("%d%d",&n,&m);
	 fru(i,n) scanf("%lld",&T[i+1]);
	 n++;
	 T[n]=1LL*milion*milion*1000;
	 n++;
	 fru(i,m) scanf("%d",&Q[i]);
	 LL last=0,ret=0;
	 LL d=1<<20,dprev;
	 fru(i,m) d=min(d,1LL*Q[i]);
	 fru(i,n) siz[i]=1;
	 fru(i,n) REP[i]=lef[i]=rig[i]=i;
	 self[0]=1;
	 DEB("d=%lld\n",d);
	 for(int i=1;i<n;++i){
		  DEB("i = %d, T[i] = %lld\n",i,T[i]);
		  if(last<=T[i]-d) {
				DEB("self[%d]= 1\n",i);
				self[i]=1;
				last=T[i];
				make_event(i-1,i,d);
		  }
		  else{
				if(!self[i-1]) onion(i-1,i);
				last+=d;
		  }
		  assert(last>=T[i]);
		  ret+=last-T[i];
	 }
	 cost=0;
	 fru(i,n) if(find(i)==i && !self[i]) cost+=kw(siz[i]);
	 DEB("ret = %lld\n",ret);
	 assert(ret==brut(d));
	 fru(i,m) events.insert(pli(Q[i],MAXN+i));
	 assert((events.begin())->x==d);
	 dprev=d;
	 tr(it,events) DEB("%lld,%d\n",it->x,it->y);
	 int answered=0;
	 DEB("teraz c= %lld\n",cost);
	 fru(i,n) if(self[i]) assert(siz[i]==1);
	 while(answered<m){
//		  fru(i,n) if(self[i]) assert(siz[i]==1);
		  assert(!events.empty());
		  pli e=*(events.begin());
		  DEB("\n-->%lld %d\n",e.x,e.y);
		  events.erase(events.begin());
		  d=e.x;
		  assert(d<=1000000);
		  int id=e.y;
		  assert(d>=dprev);
		  DEB("cost = %lld\n",cost);
		  ret+=cost*(d-dprev);
		  dprev=d;
		  if(id>=MAXN){
				ANS[id-MAXN]=ret;
	/*			fru(i,n) DEB("\tfind(%d) = %d, self = %d, siz = %d\n",i,find(i),self[find(i)],siz[find(i)]);
				DEB("odpowiadam na zapytanie o %lld: %lld ?? %lld\n",d,ret,brut(d));
				assert(ret==brut(d)); //2 del!!!
				*/
				answered++;
				continue;
		  }
		  //przetworz event
		  if(!self[id]) continue;
		  assert(siz[id]==1);
		  self[id]=0;
		  cost++;
		  LL roz=1;
		  DEB("pierwsyz if\n");
		  LL poprz=begg(find(id-1),d);
		  poprz+=1LL*siz[find(id-1)]*d;
		  LL chcialem=T[id]-d;
		  assert(poprz>chcialem);
		  roz=poprz-chcialem;
		  ret+=roz;
		  DEB("teraz ret rosnie o %lld\n",roz);
		  if(!self[find(id-1)]) onion(id-1,id);

		  while(1){
				DEB("while\n");
				LL be=begg(find(id),d);
				LL en=be+1LL*d*siz[find(id)];
				int r=find(rig[find(id)]+1);
				DEB("be = %lld, en = %lld, r = %d, begg(r): %lld\n",be,en,r,begg(r,d));
				if(begg(r,d)<=en){
					 ret+=1LL*siz[r]*(en-begg(r,d));
					 DEB("teraz ret rosnie o %d*%lld\n",siz[r],en-begg(r,d));
					 onion(id,r);
				}
				else{
					 make_event(id,r,d);
					 break;
				}
		  }
		  /*
			  LL c=0;
			  fru(i,n) if(find(i)==i && !self[i]) c+=kw(siz[i]);
			  DEB("c = %lld, cost = %lld\n",c,cost);
			  assert(c==cost);*/
	 }
	 fru(i,m) printf("%lld\n",ANS[i]);
	 return 0;
}