#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e18
#define bitcount(x) __builtin_popcountll(x)
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(), x.end()
#define ss(x) (int)x.size()
#define UNIQUE(v) v.erase(unique(all(v)), v.end())
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
if (a > b)
{
a = b;
return true;
}
return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
if (a < b)
{
a = b;
return true;
}
return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
void add(int &x, int k)
{
x += k;
x %= mod;
if (x < 0)
x += mod;
}
void del(int &x, int k)
{
x -= k;
x %= mod;
if (x < 0)
x += mod;
}
struct SegmentTree
{
vector<int> st, lazy;
int n;
/// real n
SegmentTree(int _n = 0) : n(_n)
{
st.resize(4 * n + 10, inf);
lazy.resize(4 * n + 10);
}
void resize(int _n)
{
n = _n;
st.resize(4 * n + 10, inf);
lazy.resize(4 * n + 10);
}
void down(int id, int l, int r)
{
st[id << 1] += lazy[id];
lazy[id << 1] += lazy[id];
st[id << 1 | 1] += lazy[id];
lazy[id << 1 | 1] += lazy[id];
lazy[id] = 0;
}
void update(int id, int l, int r, int u, int v, int val)
{
if (u > r || l > v)
return;
if (u <= l && r <= v)
{
st[id] += val;
lazy[id] += val;
return;
}
down(id, l, r);
int mid = (l + r) >> 1;
update(id << 1, l, mid, u, v, val);
update(id << 1 | 1, mid + 1, r, u, v, val);
st[id] = min(st[id << 1], st[id << 1 | 1]);
}
void assign(int id, int l, int r, int x, int val)
{
if (l > x or r < x)
return;
if (l == r)
{
st[id] = val;
lazy[id] = 0;
return;
}
down(id, l, r);
int mid = l + r >> 1;
assign(id << 1, l, mid, x, val);
assign(id << 1 | 1, mid + 1, r, x, val);
st[id] = min(st[id << 1], st[id << 1 | 1]);
}
int get(int id, int l, int r, int u, int v)
{
if (l > v || u > r)
return inf;
if (u <= l && r <= v)
return st[id];
down(id, l, r);
int mid = (l + r) >> 1;
return min(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
}
int get(int l, int r)
{
return get(1, 1, n, l, r);
}
void update(int l, int r, int val)
{
update(1, 1, n, l, r, val);
}
void assign(int x, int val)
{
assign(1, 1, n, x, val);
}
};
struct SegmentTree1
{
vector<int> st, lazy;
int n;
/// real n
SegmentTree1(int _n = 0) : n(_n)
{
st.resize(4 * n + 10, -inf);
lazy.resize(4 * n + 10);
}
void resize(int _n)
{
n = _n;
st.resize(4 * n + 10);
lazy.resize(4 * n + 10);
}
void down(int id, int l, int r)
{
st[id << 1] += lazy[id];
lazy[id << 1] += lazy[id];
st[id << 1 | 1] += lazy[id];
lazy[id << 1 | 1] += lazy[id];
lazy[id] = 0;
}
void update(int id, int l, int r, int u, int v, int val)
{
if (u > r || l > v)
return;
if (u <= l && r <= v)
{
st[id] += val;
lazy[id] += val;
return;
}
down(id, l, r);
int mid = (l + r) >> 1;
update(id << 1, l, mid, u, v, val);
update(id << 1 | 1, mid + 1, r, u, v, val);
st[id] = max(st[id << 1], st[id << 1 | 1]);
}
void assign(int id, int l, int r, int x, int val)
{
if (l > x or r < x)
return;
if (l == r)
{
st[id] = val;
lazy[id] = 0;
return;
}
down(id, l, r);
int mid = l + r >> 1;
assign(id << 1, l, mid, x, val);
assign(id << 1 | 1, mid + 1, r, x, val);
st[id] = max(st[id << 1], st[id << 1 | 1]);
}
int get(int id, int l, int r, int u, int v)
{
if (l > v || u > r)
return -inf;
if (u <= l && r <= v)
return st[id];
down(id, l, r);
int mid = (l + r) >> 1;
return max(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
}
int get(int l, int r)
{
return get(1, 1, n, l, r);
}
void update(int l, int r, int val)
{
update(1, 1, n, l, r, val);
}
void assign(int x, int val)
{
assign(1, 1, n, x, val);
}
};
struct BIT
{
int t[maxn];
void up(int x, int val)
{
for (; x < maxn; x += lb(x))
t[x] += val;
}
int get(int x)
{
int ans = 0;
for (; x; x -= lb(x))
ans += t[x];
return ans;
}
} t;
vi nen;
int n, q, d;
int qry[maxn], a[maxn];
main()
{
#define name "TASK"
if (fopen(name ".inp", "r"))
{
freopen(name ".inp", "r", stdin);
freopen(name ".out", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> q >> d;
fo(i, 1, n)
{
cin >> a[i];
nen.pb(a[i]);
}
fo(i, 1, q)
{
cin >> qry[i];
nen.pb(qry[i]);
}
sort(all(nen));
UNIQUE(nen);
SegmentTree minn(ss(nen));
SegmentTree1 maxx(ss(nen));
sort(a + 1, a + n + 1);
map<int, int> cnt;
int ans = 0;
fo(i, 1, n)
{
cnt[a[i]]++;
int lb = lower_bound(all(nen), a[i]) - nen.begin() + 1;
int val = a[i] - i * d;
t.up(lb, 1);
int val1 = minn.get(lb, lb);
if (val1 > val)
minn.assign(lb, val);
val1 = maxx.get(lb, lb);
if (val1 < val)
maxx.assign(lb, val);
maximize(ans, maxx.get(1, lb - 1) - val);
maximize(ans, (cnt[a[i]] - 1) * d);
}
fo(i, 1, q)
{
cnt[qry[i]]++;
int lb = lower_bound(all(nen), qry[i]) - nen.begin() + 1;
minn.update(lb + 1, ss(nen), d);
maxx.update(lb + 1, ss(nen), d);
int mi = minn.get(lb + 1, ss(nen));
int ma = maxx.get(1, lb - 1);
t.up(lb, 1);
int id = t.get(lb);
int val = qry[i] - id * d;
maximize(ans, ma - val);
maximize(ans, val - mi);
maximize(ans, (cnt[qry[i]] - 1) * d);
cout << (double)0.5 * ans << ' ';
int val1 = minn.get(lb, lb);
if (val1 > val)
minn.assign(lb, val);
val1 = maxx.get(lb, lb);
if (val1 < val)
maxx.assign(lb, val);
}
}
Compilation message
Main.cpp: In member function 'void SegmentTree::assign(long long int, long long int, long long int, long long int, long long int)':
Main.cpp:113:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
113 | int mid = l + r >> 1;
| ~~^~~
Main.cpp: In member function 'void SegmentTree1::assign(long long int, long long int, long long int, long long int, long long int)':
Main.cpp:193:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
193 | int mid = l + r >> 1;
| ~~^~~
Main.cpp: At global scope:
Main.cpp:240:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
240 | main()
| ^~~~
Main.cpp: In function 'int main()':
Main.cpp:245:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
245 | freopen(name ".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:246:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
246 | freopen(name ".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
9040 KB |
Output is correct |
2 |
Incorrect |
4 ms |
9040 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
9040 KB |
Output is correct |
2 |
Incorrect |
4 ms |
9040 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
484 ms |
53168 KB |
Output is correct |
2 |
Incorrect |
498 ms |
54392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
484 ms |
53168 KB |
Output is correct |
2 |
Incorrect |
498 ms |
54392 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |