#include <bits/stdc++.h>
using namespace std;
class SegTree
{
private:
vector<int> st;
int N;
int l(int x) { return (x << 1); }
int r(int x) { return (x << 1) + 1; }
void update(int L, int R, int a, int val, int x)
{
if (L > a || R < a)
return;
if (L == a && R == a)
{
st[x] = val;
}
else
{
int m = (L + R) / 2;
update(L, m, a, val, l(x));
update(m + 1, R, a, val, r(x));
st[x] = min(st[l(x)], st[r(x)]);
}
}
int RMQ(int L, int R, int a, int b, int x)
{
if (L > b || R < a)
return 2000000001;
if (L >= a && R <= b)
return st[x];
int m = (L + R) / 2;
return min(RMQ(L, m, a, b, l(x)), RMQ(m + 1, R, a, b, r(x)));
}
public:
SegTree(int x)
{
N = pow(2, ceil(log2(x)));
st.assign(2 * N, 2000000001);
}
void update(int x, int val) { update(0, N - 1, x, val, 1); }
int RMQ(int a, int b) { return RMQ(0, N - 1, a, b, 1); }
};
int main()
{
int N, M;
cin >> N >> M;
vector<int> Tab(N);
for (int i = 0; i < N; i++)
cin >> Tab[i];
vector<vector<int>> Qs(M, vector<int>(4));
for (int i = 0; i < M; i++)
{
cin >> Qs[i][1] >> Qs[i][2] >> Qs[i][0];
Qs[i][1]--, Qs[i][2]--;
Qs[i][3] = i;
}
sort(Qs.begin(), Qs.end());
set<pair<int, int>> S;
vector<int> rig(N, N);
for (int i = N - 1; i >= 0; i--)
{
auto pos = S.lower_bound({Tab[i], 0});
if (pos != S.end())
rig[i] = pos->second;
S.insert({Tab[i], i});
while (S.lower_bound({Tab[i], i}) != S.begin())
{
S.erase(S.begin());
}
}
vector<vector<int>> events;
for (int i = 0; i < N; i++)
{
int x = i + 1;
while (x < N && Tab[x] < Tab[i])
{
events.push_back({Tab[x] + Tab[i], i, x});
x = rig[x];
}
}
sort(events.begin(), events.end());
SegTree ST(N);
vector<int> ans(M);
int buff = events.size() - 1;
for (int i = M - 1; i >= 0; i--)
{
while (buff >= 0 && events[buff][0] > Qs[i][0])
{
ST.update(events[buff][1], events[buff][2]);
buff--;
}
if (ST.RMQ(Qs[i][1], Qs[i][2]) > Qs[i][2])
ans[Qs[i][3]] = 1;
}
for (int i = 0; i < M; i++)
{
cout << ans[i] << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
508 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
508 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
6 ms |
848 KB |
Output is correct |
13 |
Correct |
6 ms |
988 KB |
Output is correct |
14 |
Correct |
8 ms |
1080 KB |
Output is correct |
15 |
Correct |
9 ms |
1104 KB |
Output is correct |
16 |
Correct |
6 ms |
1104 KB |
Output is correct |
17 |
Correct |
6 ms |
848 KB |
Output is correct |
18 |
Correct |
6 ms |
1104 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2142 ms |
164828 KB |
Output is correct |
2 |
Correct |
2201 ms |
165760 KB |
Output is correct |
3 |
Correct |
2243 ms |
165684 KB |
Output is correct |
4 |
Correct |
2218 ms |
165852 KB |
Output is correct |
5 |
Correct |
1948 ms |
157000 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
149 ms |
15548 KB |
Output is correct |
2 |
Correct |
147 ms |
15540 KB |
Output is correct |
3 |
Correct |
141 ms |
14920 KB |
Output is correct |
4 |
Correct |
142 ms |
14920 KB |
Output is correct |
5 |
Correct |
131 ms |
14920 KB |
Output is correct |
6 |
Correct |
124 ms |
14724 KB |
Output is correct |
7 |
Correct |
123 ms |
14724 KB |
Output is correct |
8 |
Correct |
143 ms |
15544 KB |
Output is correct |
9 |
Correct |
66 ms |
7752 KB |
Output is correct |
10 |
Correct |
130 ms |
14908 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
508 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
6 ms |
848 KB |
Output is correct |
13 |
Correct |
6 ms |
988 KB |
Output is correct |
14 |
Correct |
8 ms |
1080 KB |
Output is correct |
15 |
Correct |
9 ms |
1104 KB |
Output is correct |
16 |
Correct |
6 ms |
1104 KB |
Output is correct |
17 |
Correct |
6 ms |
848 KB |
Output is correct |
18 |
Correct |
6 ms |
1104 KB |
Output is correct |
19 |
Correct |
359 ms |
35068 KB |
Output is correct |
20 |
Correct |
370 ms |
35164 KB |
Output is correct |
21 |
Correct |
371 ms |
34796 KB |
Output is correct |
22 |
Correct |
363 ms |
34796 KB |
Output is correct |
23 |
Correct |
363 ms |
34796 KB |
Output is correct |
24 |
Correct |
328 ms |
31816 KB |
Output is correct |
25 |
Correct |
332 ms |
31816 KB |
Output is correct |
26 |
Correct |
340 ms |
31864 KB |
Output is correct |
27 |
Correct |
339 ms |
32040 KB |
Output is correct |
28 |
Correct |
355 ms |
31872 KB |
Output is correct |
29 |
Correct |
332 ms |
32072 KB |
Output is correct |
30 |
Correct |
336 ms |
32172 KB |
Output is correct |
31 |
Correct |
327 ms |
32176 KB |
Output is correct |
32 |
Correct |
325 ms |
32048 KB |
Output is correct |
33 |
Correct |
338 ms |
32072 KB |
Output is correct |
34 |
Correct |
314 ms |
31820 KB |
Output is correct |
35 |
Correct |
328 ms |
31796 KB |
Output is correct |
36 |
Correct |
310 ms |
31492 KB |
Output is correct |
37 |
Correct |
322 ms |
31404 KB |
Output is correct |
38 |
Correct |
303 ms |
31560 KB |
Output is correct |
39 |
Correct |
319 ms |
31732 KB |
Output is correct |
40 |
Correct |
241 ms |
25360 KB |
Output is correct |
41 |
Correct |
286 ms |
31220 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
2 ms |
508 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
4 ms |
592 KB |
Output is correct |
12 |
Correct |
6 ms |
848 KB |
Output is correct |
13 |
Correct |
6 ms |
988 KB |
Output is correct |
14 |
Correct |
8 ms |
1080 KB |
Output is correct |
15 |
Correct |
9 ms |
1104 KB |
Output is correct |
16 |
Correct |
6 ms |
1104 KB |
Output is correct |
17 |
Correct |
6 ms |
848 KB |
Output is correct |
18 |
Correct |
6 ms |
1104 KB |
Output is correct |
19 |
Correct |
2142 ms |
164828 KB |
Output is correct |
20 |
Correct |
2201 ms |
165760 KB |
Output is correct |
21 |
Correct |
2243 ms |
165684 KB |
Output is correct |
22 |
Correct |
2218 ms |
165852 KB |
Output is correct |
23 |
Correct |
1948 ms |
157000 KB |
Output is correct |
24 |
Correct |
149 ms |
15548 KB |
Output is correct |
25 |
Correct |
147 ms |
15540 KB |
Output is correct |
26 |
Correct |
141 ms |
14920 KB |
Output is correct |
27 |
Correct |
142 ms |
14920 KB |
Output is correct |
28 |
Correct |
131 ms |
14920 KB |
Output is correct |
29 |
Correct |
124 ms |
14724 KB |
Output is correct |
30 |
Correct |
123 ms |
14724 KB |
Output is correct |
31 |
Correct |
143 ms |
15544 KB |
Output is correct |
32 |
Correct |
66 ms |
7752 KB |
Output is correct |
33 |
Correct |
130 ms |
14908 KB |
Output is correct |
34 |
Correct |
359 ms |
35068 KB |
Output is correct |
35 |
Correct |
370 ms |
35164 KB |
Output is correct |
36 |
Correct |
371 ms |
34796 KB |
Output is correct |
37 |
Correct |
363 ms |
34796 KB |
Output is correct |
38 |
Correct |
363 ms |
34796 KB |
Output is correct |
39 |
Correct |
328 ms |
31816 KB |
Output is correct |
40 |
Correct |
332 ms |
31816 KB |
Output is correct |
41 |
Correct |
340 ms |
31864 KB |
Output is correct |
42 |
Correct |
339 ms |
32040 KB |
Output is correct |
43 |
Correct |
355 ms |
31872 KB |
Output is correct |
44 |
Correct |
332 ms |
32072 KB |
Output is correct |
45 |
Correct |
336 ms |
32172 KB |
Output is correct |
46 |
Correct |
327 ms |
32176 KB |
Output is correct |
47 |
Correct |
325 ms |
32048 KB |
Output is correct |
48 |
Correct |
338 ms |
32072 KB |
Output is correct |
49 |
Correct |
314 ms |
31820 KB |
Output is correct |
50 |
Correct |
328 ms |
31796 KB |
Output is correct |
51 |
Correct |
310 ms |
31492 KB |
Output is correct |
52 |
Correct |
322 ms |
31404 KB |
Output is correct |
53 |
Correct |
303 ms |
31560 KB |
Output is correct |
54 |
Correct |
319 ms |
31732 KB |
Output is correct |
55 |
Correct |
241 ms |
25360 KB |
Output is correct |
56 |
Correct |
286 ms |
31220 KB |
Output is correct |
57 |
Correct |
2222 ms |
166608 KB |
Output is correct |
58 |
Correct |
2201 ms |
166564 KB |
Output is correct |
59 |
Correct |
2204 ms |
166392 KB |
Output is correct |
60 |
Correct |
2243 ms |
166524 KB |
Output is correct |
61 |
Correct |
2172 ms |
166364 KB |
Output is correct |
62 |
Correct |
2127 ms |
166604 KB |
Output is correct |
63 |
Correct |
1870 ms |
155800 KB |
Output is correct |
64 |
Correct |
1895 ms |
155588 KB |
Output is correct |
65 |
Correct |
2011 ms |
157480 KB |
Output is correct |
66 |
Correct |
2073 ms |
157472 KB |
Output is correct |
67 |
Correct |
1891 ms |
157420 KB |
Output is correct |
68 |
Correct |
1977 ms |
157592 KB |
Output is correct |
69 |
Correct |
2005 ms |
157704 KB |
Output is correct |
70 |
Correct |
1984 ms |
157648 KB |
Output is correct |
71 |
Correct |
1966 ms |
157512 KB |
Output is correct |
72 |
Correct |
1923 ms |
157680 KB |
Output is correct |
73 |
Correct |
1776 ms |
154256 KB |
Output is correct |
74 |
Correct |
1830 ms |
155208 KB |
Output is correct |
75 |
Correct |
1803 ms |
154184 KB |
Output is correct |
76 |
Correct |
1811 ms |
154100 KB |
Output is correct |
77 |
Correct |
1817 ms |
154140 KB |
Output is correct |
78 |
Correct |
1993 ms |
154340 KB |
Output is correct |
79 |
Correct |
1289 ms |
117496 KB |
Output is correct |
80 |
Correct |
1789 ms |
155960 KB |
Output is correct |