1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
#include<bits/stdc++.h>
using namespace std;
# ifdef DEB
# define debug(...) fprintf(stderr, __VA_ARGS__)
# else
# define debug(...)
#endif
#define F first
#define S second
#define MP make_pair
#define PB push_back
#define LL long long
#define LD long double
#define PII pair<int, int>
#define PLL pair<LL, LL>
#define pb pop_back
#define VI vector<int>
#define VPI vector<PII>
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define FORD(i,a,b) for(int i = (a); i >= (b); i--)
#define RE(i,n) FOR(i,1,n)
#define REP(i,n) FOR(i,0,(int)(n)-1)
#define ALL(x) (x).begin(), (x).end()
#define siz(V) ((int)V.size())
const int M = 1024 * 256;

int n, m, D[2 * M];
LL diff[M], T[M], R[M], d, sub;
vector<PII> Q;
bool done[M];
set<pair<LL, int>> secik;

void add(int v, int w)
{
  v += M;
  D[v] = w;
  while (v > 1)
  {
    v /= 2;
    D[v] = D[2 * v] + D[2 * v + 1];
  }
}

int getL(int v)
{
  v += M;
  while (D[v] == 0)
  {
    if (v % 2 == 0)
    {
      v--;
    }
    v /= 2;
  }
  while (v < M)
  {
    if (D[2 * v + 1] > 0)
    {
      v = 2 * v + 1;
    }
    else
    {
      v = 2 * v;
    }
  }
  return v - M;
}

int getR(int v)
{
  v += M;
  while (D[v] == 0)
  {
    if (v % 2 == 1)
    {
      v++;
    }
    v /= 2;
  }
  while (v < M)
  {
    if (D[2 * v] > 0)
    {
      v = 2 * v;
    }
    else
    {
      v = 2 * v + 1;
    }
  }
  return v - M;
}

void change(int ind, LL sum, LL len)
{
  LL dd = (sum + len - 1) / len;
  secik.insert(MP(dd, ind));
}

void process(int ind)
{
  add(ind, 0);
  int lef = getL(ind - 1);
  int rig = getR(ind + 1);
  LL subP = T[ind] - T[lef];
  LL plusD = (LL)(ind - lef) * (rig - ind);
  d += plusD;
  sub += subP * (rig - ind);
  if (rig != n + 1)
  {
    change(rig, T[rig] - T[lef], rig - lef);
  }
}

int main()
{
  //ios_base::sync_with_stdio(0);
  scanf("%d%d", &n, &m);
  for (int i = 0; i <= n + 1; i++)
  {
    D[i + M] = 1;
  }
  for (int i = M - 1; i > 0; i--)
  {
    D[i] = D[2 * i] + D[2 * i + 1];
  }
  LL prev = 0;
  for (int i = 1; i <= n; i++)
  {
    scanf("%lld", T + i);
    diff[i] = T[i] - prev;
    prev = T[i];
    secik.insert(MP(diff[i], i));
  }
  for (int i = 1; i <= m; i++)
  {
    int a;
    scanf("%d", &a);
    Q.PB(MP(a, i));
  }
  sort(ALL(Q));
  for (auto q : Q)
  {
    while (!secik.empty() && secik.begin()->F <= (LL)q.F)
    {
      int ind = secik.begin()->S;
      secik.erase(secik.begin());
      if (!done[ind])
      {
        done[ind] = true;
        process(ind);
      }
    }
    R[q.S] = d * q.F - sub;
  }
  for (int i = 1; i <= m; i++)
  {
    printf("%lld\n", R[i]);
  }
  return 0;
}