#include <bits/stdc++.h>
constexpr const int MXH = (int) 1e9 + 5;
struct Sparse {
struct Item {
int mn = MXH, mx = -MXH, anl = 0, anr = 0, mn_ind = -1;
static Item merge(const Item& l, const Item& r) {
return {
std::min(l.mn, r.mn), std::max(l.mx, r.mx),
std::max({ l.anl, r.anl, r.mx - l.mn }), std::max({ l.anr, r.anr, l.mx - r.mx }),
l.mn < r.mn ? l.mn_ind : r.mn_ind
};
}
};
int size;
std::vector <std::vector <Item>> bin;
void init(const std::vector <int>& v) {
bin.resize(17, std::vector <Item> (size = v.size()));
for (int i = 0; i < size; i++) bin[0][i].mn = bin[0][i].mx = v[i], bin[0][i].mn_ind = i;
for (int b = 1; b < 17; b++)
for (int i = 0; i + (1 << (b - 1)) < size; i++)
bin[b][i] = Item::merge(bin[b - 1][i], bin[b - 1][i + (1 << (b - 1))]);
}
Item query(int l, int r) {
Item res;
if (l >= r || l < 0 || r >= size) return res;
for (int b = 31 - __builtin_clz(r - l), range = r - l; ~b; l += ((range >> b) & 1) << b, b--)
if (range & (1 << b))
res = Item::merge(res, bin[b][l]);
return res;
}
};
struct PNode {
struct Item {
int sum = 0;
int mn = MXH, mx = -MXH;
static Item merge(const Item& l, const Item& r) {
return { l.sum + r.sum, std::min(l.mn, r.mn), std::max(l.mx, r.mx) };
}
};
typedef std::shared_ptr <PNode> PPNode;
Item item;
PPNode lc = nullptr, rc = nullptr;
PNode(const Item& _item) : item(_item) { }
PNode(PPNode _lc, PPNode _rc) : item(Item::merge(_lc->item, _rc->item)), lc(_lc), rc(_rc) { }
static PPNode build(int l, int r) {
if (!(r - l - 1)) return PPNode(new PNode({ }));
int mid = (l + r) >> 1;
return PPNode(new PNode(build(l, mid), build(mid, r)));
}
static PPNode set(PPNode node, int ind, int l, int r) {
if (!(r - l - 1)) return PPNode(new PNode({ 1, ind, ind }));
int mid = (l + r) >> 1;
if (ind < mid) return PPNode(new PNode(set(node->lc, ind, l, mid), node->rc));
return PPNode(new PNode(node->lc, set(node->rc, ind, mid, r)));
}
Item query(int tl, int tr, int l, int r) {
if (l >= tr || r <= tl) return { };
if (l >= tl && r <= tr) return item;
int mid = (l + r) >> 1;
return Item::merge(lc->query(tl, tr, l, mid), rc->query(tl, tr, mid, r));
}
};
int n;
std::vector <int> h;
Sparse sparse;
std::vector <std::shared_ptr <PNode>> pst;
std::map <int, int> smp;
void init(int N, std::vector <int> H) {
n = N + 4;
h = H;
h.insert(h.begin(), { 0, MXH });
h.insert(h.end(), { MXH, 0 });
sparse.init(h);
std::vector <std::pair <int, int>> ord(N);
for (int i = 2; i < n - 2; i++) ord[i - 2] = { h[i], i };
std::sort(ord.begin(), ord.end());
std::set <int> st = { 0, n - 1 };
std::vector <int> tmon(n);
for (auto [hei, i] : ord) {
auto it = st.lower_bound(i);
tmon[i] = std::max(0, std::min(sparse.query(*prev(it) + 1, i).mx, sparse.query(i + 1, *it).mx) - hei);
st.insert(i);
}
smp[MXH] = 0;
pst.push_back(PNode::build(0, 4 * n));
for (int i = 2; i < n - 2; i++) ord[i - 2] = { tmon[i], i };
std::sort(ord.rbegin(), ord.rend());
for (auto [dv, i] : ord) {
pst.push_back(PNode::set(pst.back(), i, 0, 4 * n));
smp[dv] = (int) pst.size() - 1;
}
}
int max_towers(int L, int R, int D) {
L += 2, R += 2;
std::shared_ptr <PNode> node = pst[smp.lower_bound(D)->second];
PNode::Item pit = node->query(L, R + 1, 0, 4 * n);
if (!pit.sum) {
pit.sum++;
pit.mn = pit.mx = sparse.query(L, R + 1).mn_ind;
}
int ans = pit.sum;
ans += sparse.query(L, pit.mn).anl >= D;
ans += sparse.query(pit.mx + 1, R + 1).anr >= D;
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
803 ms |
175996 KB |
807th lines differ - on the 1st token, expected: '2', found: '1' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1232 KB |
Output is correct |
2 |
Correct |
7 ms |
5228 KB |
Output is correct |
3 |
Correct |
7 ms |
5200 KB |
Output is correct |
4 |
Correct |
7 ms |
5200 KB |
Output is correct |
5 |
Correct |
7 ms |
5200 KB |
Output is correct |
6 |
Correct |
7 ms |
5200 KB |
Output is correct |
7 |
Correct |
6 ms |
5200 KB |
Output is correct |
8 |
Correct |
7 ms |
5200 KB |
Output is correct |
9 |
Correct |
6 ms |
5268 KB |
Output is correct |
10 |
Correct |
8 ms |
5200 KB |
Output is correct |
11 |
Correct |
9 ms |
5200 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
10 ms |
5192 KB |
Output is correct |
14 |
Correct |
6 ms |
5200 KB |
Output is correct |
15 |
Correct |
7 ms |
5200 KB |
Output is correct |
16 |
Correct |
7 ms |
5200 KB |
Output is correct |
17 |
Correct |
9 ms |
5316 KB |
Output is correct |
18 |
Correct |
6 ms |
5272 KB |
Output is correct |
19 |
Correct |
8 ms |
5200 KB |
Output is correct |
20 |
Correct |
9 ms |
5192 KB |
Output is correct |
21 |
Correct |
8 ms |
5280 KB |
Output is correct |
22 |
Correct |
10 ms |
5200 KB |
Output is correct |
23 |
Correct |
9 ms |
5200 KB |
Output is correct |
24 |
Correct |
7 ms |
5200 KB |
Output is correct |
25 |
Correct |
4 ms |
2384 KB |
Output is correct |
26 |
Correct |
8 ms |
5300 KB |
Output is correct |
27 |
Correct |
7 ms |
5304 KB |
Output is correct |
28 |
Correct |
8 ms |
5328 KB |
Output is correct |
29 |
Correct |
9 ms |
5328 KB |
Output is correct |
30 |
Correct |
8 ms |
5316 KB |
Output is correct |
31 |
Correct |
8 ms |
5316 KB |
Output is correct |
32 |
Correct |
8 ms |
5248 KB |
Output is correct |
33 |
Correct |
6 ms |
5252 KB |
Output is correct |
34 |
Correct |
7 ms |
5280 KB |
Output is correct |
35 |
Correct |
7 ms |
5200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1232 KB |
Output is correct |
2 |
Correct |
7 ms |
5228 KB |
Output is correct |
3 |
Correct |
7 ms |
5200 KB |
Output is correct |
4 |
Correct |
7 ms |
5200 KB |
Output is correct |
5 |
Correct |
7 ms |
5200 KB |
Output is correct |
6 |
Correct |
7 ms |
5200 KB |
Output is correct |
7 |
Correct |
6 ms |
5200 KB |
Output is correct |
8 |
Correct |
7 ms |
5200 KB |
Output is correct |
9 |
Correct |
6 ms |
5268 KB |
Output is correct |
10 |
Correct |
8 ms |
5200 KB |
Output is correct |
11 |
Correct |
9 ms |
5200 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
10 ms |
5192 KB |
Output is correct |
14 |
Correct |
6 ms |
5200 KB |
Output is correct |
15 |
Correct |
7 ms |
5200 KB |
Output is correct |
16 |
Correct |
7 ms |
5200 KB |
Output is correct |
17 |
Correct |
9 ms |
5316 KB |
Output is correct |
18 |
Correct |
6 ms |
5272 KB |
Output is correct |
19 |
Correct |
8 ms |
5200 KB |
Output is correct |
20 |
Correct |
9 ms |
5192 KB |
Output is correct |
21 |
Correct |
8 ms |
5280 KB |
Output is correct |
22 |
Correct |
10 ms |
5200 KB |
Output is correct |
23 |
Correct |
9 ms |
5200 KB |
Output is correct |
24 |
Correct |
7 ms |
5200 KB |
Output is correct |
25 |
Correct |
4 ms |
2384 KB |
Output is correct |
26 |
Correct |
8 ms |
5300 KB |
Output is correct |
27 |
Correct |
7 ms |
5304 KB |
Output is correct |
28 |
Correct |
8 ms |
5328 KB |
Output is correct |
29 |
Correct |
9 ms |
5328 KB |
Output is correct |
30 |
Correct |
8 ms |
5316 KB |
Output is correct |
31 |
Correct |
8 ms |
5316 KB |
Output is correct |
32 |
Correct |
8 ms |
5248 KB |
Output is correct |
33 |
Correct |
6 ms |
5252 KB |
Output is correct |
34 |
Correct |
7 ms |
5280 KB |
Output is correct |
35 |
Correct |
7 ms |
5200 KB |
Output is correct |
36 |
Correct |
486 ms |
193588 KB |
Output is correct |
37 |
Incorrect |
544 ms |
303844 KB |
1st lines differ - on the 1st token, expected: '2946', found: '2945' |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1183 ms |
301588 KB |
Output is correct |
2 |
Correct |
1247 ms |
303880 KB |
Output is correct |
3 |
Correct |
1207 ms |
303992 KB |
Output is correct |
4 |
Correct |
1287 ms |
304652 KB |
Output is correct |
5 |
Correct |
1244 ms |
304696 KB |
Output is correct |
6 |
Correct |
1238 ms |
304672 KB |
Output is correct |
7 |
Correct |
1239 ms |
304616 KB |
Output is correct |
8 |
Correct |
1215 ms |
302292 KB |
Output is correct |
9 |
Correct |
1175 ms |
302300 KB |
Output is correct |
10 |
Correct |
1182 ms |
302316 KB |
Output is correct |
11 |
Correct |
1141 ms |
302252 KB |
Output is correct |
12 |
Correct |
1172 ms |
302360 KB |
Output is correct |
13 |
Correct |
1182 ms |
302244 KB |
Output is correct |
14 |
Correct |
0 ms |
208 KB |
Output is correct |
15 |
Correct |
6 ms |
5200 KB |
Output is correct |
16 |
Correct |
6 ms |
5200 KB |
Output is correct |
17 |
Correct |
484 ms |
303880 KB |
Output is correct |
18 |
Correct |
514 ms |
304568 KB |
Output is correct |
19 |
Correct |
519 ms |
304648 KB |
Output is correct |
20 |
Correct |
391 ms |
302268 KB |
Output is correct |
21 |
Correct |
402 ms |
302408 KB |
Output is correct |
22 |
Correct |
491 ms |
303884 KB |
Output is correct |
23 |
Correct |
510 ms |
304548 KB |
Output is correct |
24 |
Correct |
557 ms |
304668 KB |
Output is correct |
25 |
Correct |
393 ms |
302364 KB |
Output is correct |
26 |
Correct |
390 ms |
302320 KB |
Output is correct |
27 |
Correct |
6 ms |
5200 KB |
Output is correct |
28 |
Correct |
6 ms |
5200 KB |
Output is correct |
29 |
Correct |
6 ms |
5316 KB |
Output is correct |
30 |
Correct |
6 ms |
5200 KB |
Output is correct |
31 |
Correct |
6 ms |
5200 KB |
Output is correct |
32 |
Correct |
6 ms |
5284 KB |
Output is correct |
33 |
Correct |
7 ms |
5292 KB |
Output is correct |
34 |
Correct |
6 ms |
5200 KB |
Output is correct |
35 |
Correct |
6 ms |
5200 KB |
Output is correct |
36 |
Correct |
6 ms |
5200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
364 ms |
68196 KB |
Output is correct |
2 |
Correct |
1395 ms |
303892 KB |
Output is correct |
3 |
Correct |
1315 ms |
303872 KB |
Output is correct |
4 |
Correct |
1407 ms |
304592 KB |
Output is correct |
5 |
Correct |
1294 ms |
304660 KB |
Output is correct |
6 |
Correct |
1327 ms |
304552 KB |
Output is correct |
7 |
Correct |
1372 ms |
304616 KB |
Output is correct |
8 |
Correct |
1077 ms |
302336 KB |
Output is correct |
9 |
Correct |
1054 ms |
302304 KB |
Output is correct |
10 |
Correct |
1101 ms |
302312 KB |
Output is correct |
11 |
Correct |
917 ms |
302248 KB |
Output is correct |
12 |
Correct |
500 ms |
303880 KB |
Output is correct |
13 |
Correct |
553 ms |
304652 KB |
Output is correct |
14 |
Correct |
505 ms |
304652 KB |
Output is correct |
15 |
Correct |
380 ms |
302240 KB |
Output is correct |
16 |
Correct |
486 ms |
302212 KB |
Output is correct |
17 |
Correct |
478 ms |
293072 KB |
Output is correct |
18 |
Correct |
478 ms |
303960 KB |
Output is correct |
19 |
Correct |
509 ms |
303808 KB |
Output is correct |
20 |
Correct |
512 ms |
304552 KB |
Output is correct |
21 |
Correct |
523 ms |
304668 KB |
Output is correct |
22 |
Correct |
512 ms |
304644 KB |
Output is correct |
23 |
Correct |
514 ms |
304700 KB |
Output is correct |
24 |
Correct |
393 ms |
302240 KB |
Output is correct |
25 |
Correct |
383 ms |
302300 KB |
Output is correct |
26 |
Correct |
396 ms |
302272 KB |
Output is correct |
27 |
Correct |
383 ms |
302272 KB |
Output is correct |
28 |
Correct |
7 ms |
5216 KB |
Output is correct |
29 |
Correct |
7 ms |
5200 KB |
Output is correct |
30 |
Correct |
6 ms |
5200 KB |
Output is correct |
31 |
Correct |
6 ms |
5200 KB |
Output is correct |
32 |
Correct |
6 ms |
5268 KB |
Output is correct |
33 |
Correct |
3 ms |
2384 KB |
Output is correct |
34 |
Correct |
6 ms |
5308 KB |
Output is correct |
35 |
Correct |
6 ms |
5200 KB |
Output is correct |
36 |
Correct |
7 ms |
5200 KB |
Output is correct |
37 |
Correct |
7 ms |
5324 KB |
Output is correct |
38 |
Correct |
8 ms |
5200 KB |
Output is correct |
39 |
Correct |
7 ms |
5200 KB |
Output is correct |
40 |
Correct |
6 ms |
5220 KB |
Output is correct |
41 |
Correct |
6 ms |
5200 KB |
Output is correct |
42 |
Correct |
6 ms |
5200 KB |
Output is correct |
43 |
Correct |
6 ms |
5200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1232 KB |
Output is correct |
2 |
Correct |
7 ms |
5228 KB |
Output is correct |
3 |
Correct |
7 ms |
5200 KB |
Output is correct |
4 |
Correct |
7 ms |
5200 KB |
Output is correct |
5 |
Correct |
7 ms |
5200 KB |
Output is correct |
6 |
Correct |
7 ms |
5200 KB |
Output is correct |
7 |
Correct |
6 ms |
5200 KB |
Output is correct |
8 |
Correct |
7 ms |
5200 KB |
Output is correct |
9 |
Correct |
6 ms |
5268 KB |
Output is correct |
10 |
Correct |
8 ms |
5200 KB |
Output is correct |
11 |
Correct |
9 ms |
5200 KB |
Output is correct |
12 |
Correct |
0 ms |
208 KB |
Output is correct |
13 |
Correct |
10 ms |
5192 KB |
Output is correct |
14 |
Correct |
6 ms |
5200 KB |
Output is correct |
15 |
Correct |
7 ms |
5200 KB |
Output is correct |
16 |
Correct |
7 ms |
5200 KB |
Output is correct |
17 |
Correct |
9 ms |
5316 KB |
Output is correct |
18 |
Correct |
6 ms |
5272 KB |
Output is correct |
19 |
Correct |
8 ms |
5200 KB |
Output is correct |
20 |
Correct |
9 ms |
5192 KB |
Output is correct |
21 |
Correct |
8 ms |
5280 KB |
Output is correct |
22 |
Correct |
10 ms |
5200 KB |
Output is correct |
23 |
Correct |
9 ms |
5200 KB |
Output is correct |
24 |
Correct |
7 ms |
5200 KB |
Output is correct |
25 |
Correct |
4 ms |
2384 KB |
Output is correct |
26 |
Correct |
8 ms |
5300 KB |
Output is correct |
27 |
Correct |
7 ms |
5304 KB |
Output is correct |
28 |
Correct |
8 ms |
5328 KB |
Output is correct |
29 |
Correct |
9 ms |
5328 KB |
Output is correct |
30 |
Correct |
8 ms |
5316 KB |
Output is correct |
31 |
Correct |
8 ms |
5316 KB |
Output is correct |
32 |
Correct |
8 ms |
5248 KB |
Output is correct |
33 |
Correct |
6 ms |
5252 KB |
Output is correct |
34 |
Correct |
7 ms |
5280 KB |
Output is correct |
35 |
Correct |
7 ms |
5200 KB |
Output is correct |
36 |
Correct |
486 ms |
193588 KB |
Output is correct |
37 |
Incorrect |
544 ms |
303844 KB |
1st lines differ - on the 1st token, expected: '2946', found: '2945' |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
803 ms |
175996 KB |
807th lines differ - on the 1st token, expected: '2', found: '1' |
2 |
Halted |
0 ms |
0 KB |
- |