#include <bits/stdc++.h>
using namespace std;
const int nx=2e5+5, inf=2e9, kx=18;
int n, dp[nx][kx], p, q, l, r;
vector<pair<int, int>> v(nx);
multiset<pair<int, int>> ms;
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n;
for (int i=1; i<=n; i++) cin>>v[i].first>>v[i].second;
ms.insert({-inf, -inf});
ms.insert({inf, inf});
for (int i=1; i<=n; i++)
{
while (prev(ms.upper_bound(make_pair(v[i].second, INT_MAX)))->second>=v[i].first) ++p, ms.erase(v[p]);
dp[i][0]=p+1;
ms.insert(v[i]);
}
for (int i=1; i<kx; i++) for (int j=1; j<=n; j++) dp[j][i]=dp[max(dp[j][i-1]-1, 1)][i-1];
cin>>q;
while (q--)
{
cin>>l>>r;
int ans=0;
for (int i=kx-1; i>=0; i--) if (dp[r][i]>l) ans+=(1<<i), r=dp[r][i]-1;
cout<<ans+1<<'\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
19024 KB |
Output is correct |
2 |
Correct |
50 ms |
18772 KB |
Output is correct |
3 |
Correct |
56 ms |
19044 KB |
Output is correct |
4 |
Correct |
49 ms |
18920 KB |
Output is correct |
5 |
Correct |
52 ms |
19672 KB |
Output is correct |
6 |
Correct |
46 ms |
18152 KB |
Output is correct |
7 |
Correct |
49 ms |
18524 KB |
Output is correct |
8 |
Correct |
52 ms |
18516 KB |
Output is correct |
9 |
Correct |
67 ms |
18920 KB |
Output is correct |
10 |
Correct |
56 ms |
18260 KB |
Output is correct |
11 |
Correct |
120 ms |
27936 KB |
Output is correct |
12 |
Correct |
106 ms |
26592 KB |
Output is correct |
13 |
Correct |
114 ms |
26340 KB |
Output is correct |
14 |
Correct |
147 ms |
24240 KB |
Output is correct |
15 |
Correct |
124 ms |
22440 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
58 ms |
19300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4184 KB |
Output is correct |
2 |
Correct |
4 ms |
4188 KB |
Output is correct |
3 |
Correct |
4 ms |
4188 KB |
Output is correct |
4 |
Correct |
4 ms |
4424 KB |
Output is correct |
5 |
Correct |
4 ms |
4188 KB |
Output is correct |
6 |
Correct |
4 ms |
4360 KB |
Output is correct |
7 |
Correct |
4 ms |
4404 KB |
Output is correct |
8 |
Correct |
4 ms |
4188 KB |
Output is correct |
9 |
Correct |
5 ms |
4228 KB |
Output is correct |
10 |
Correct |
4 ms |
4188 KB |
Output is correct |
11 |
Correct |
4 ms |
4612 KB |
Output is correct |
12 |
Correct |
4 ms |
4360 KB |
Output is correct |
13 |
Correct |
4 ms |
4444 KB |
Output is correct |
14 |
Correct |
4 ms |
4440 KB |
Output is correct |
15 |
Correct |
4 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
1884 KB |
Output is correct |
17 |
Correct |
4 ms |
4188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4184 KB |
Output is correct |
2 |
Correct |
4 ms |
4188 KB |
Output is correct |
3 |
Correct |
4 ms |
4188 KB |
Output is correct |
4 |
Correct |
4 ms |
4424 KB |
Output is correct |
5 |
Correct |
4 ms |
4188 KB |
Output is correct |
6 |
Correct |
4 ms |
4360 KB |
Output is correct |
7 |
Correct |
4 ms |
4404 KB |
Output is correct |
8 |
Correct |
4 ms |
4188 KB |
Output is correct |
9 |
Correct |
5 ms |
4228 KB |
Output is correct |
10 |
Correct |
4 ms |
4188 KB |
Output is correct |
11 |
Correct |
4 ms |
4612 KB |
Output is correct |
12 |
Correct |
4 ms |
4360 KB |
Output is correct |
13 |
Correct |
4 ms |
4444 KB |
Output is correct |
14 |
Correct |
4 ms |
4440 KB |
Output is correct |
15 |
Correct |
4 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
1884 KB |
Output is correct |
17 |
Correct |
4 ms |
4188 KB |
Output is correct |
18 |
Correct |
58 ms |
6992 KB |
Output is correct |
19 |
Correct |
64 ms |
6700 KB |
Output is correct |
20 |
Correct |
57 ms |
6868 KB |
Output is correct |
21 |
Correct |
57 ms |
6620 KB |
Output is correct |
22 |
Correct |
54 ms |
6908 KB |
Output is correct |
23 |
Correct |
56 ms |
6740 KB |
Output is correct |
24 |
Correct |
54 ms |
6992 KB |
Output is correct |
25 |
Correct |
55 ms |
7040 KB |
Output is correct |
26 |
Correct |
58 ms |
6772 KB |
Output is correct |
27 |
Correct |
56 ms |
6740 KB |
Output is correct |
28 |
Correct |
38 ms |
6640 KB |
Output is correct |
29 |
Correct |
42 ms |
6736 KB |
Output is correct |
30 |
Correct |
40 ms |
6620 KB |
Output is correct |
31 |
Correct |
41 ms |
6484 KB |
Output is correct |
32 |
Correct |
39 ms |
6552 KB |
Output is correct |
33 |
Correct |
1 ms |
1880 KB |
Output is correct |
34 |
Correct |
43 ms |
6740 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
19792 KB |
Output is correct |
2 |
Correct |
59 ms |
19552 KB |
Output is correct |
3 |
Correct |
49 ms |
18272 KB |
Output is correct |
4 |
Correct |
48 ms |
18004 KB |
Output is correct |
5 |
Correct |
56 ms |
18604 KB |
Output is correct |
6 |
Correct |
62 ms |
18404 KB |
Output is correct |
7 |
Correct |
56 ms |
18312 KB |
Output is correct |
8 |
Correct |
49 ms |
18256 KB |
Output is correct |
9 |
Correct |
50 ms |
18260 KB |
Output is correct |
10 |
Correct |
60 ms |
19304 KB |
Output is correct |
11 |
Correct |
110 ms |
26192 KB |
Output is correct |
12 |
Correct |
138 ms |
28752 KB |
Output is correct |
13 |
Correct |
105 ms |
26328 KB |
Output is correct |
14 |
Correct |
138 ms |
22380 KB |
Output is correct |
15 |
Correct |
139 ms |
24400 KB |
Output is correct |
16 |
Correct |
2 ms |
1884 KB |
Output is correct |
17 |
Correct |
47 ms |
18516 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
51 ms |
19024 KB |
Output is correct |
2 |
Correct |
50 ms |
18772 KB |
Output is correct |
3 |
Correct |
56 ms |
19044 KB |
Output is correct |
4 |
Correct |
49 ms |
18920 KB |
Output is correct |
5 |
Correct |
52 ms |
19672 KB |
Output is correct |
6 |
Correct |
46 ms |
18152 KB |
Output is correct |
7 |
Correct |
49 ms |
18524 KB |
Output is correct |
8 |
Correct |
52 ms |
18516 KB |
Output is correct |
9 |
Correct |
67 ms |
18920 KB |
Output is correct |
10 |
Correct |
56 ms |
18260 KB |
Output is correct |
11 |
Correct |
120 ms |
27936 KB |
Output is correct |
12 |
Correct |
106 ms |
26592 KB |
Output is correct |
13 |
Correct |
114 ms |
26340 KB |
Output is correct |
14 |
Correct |
147 ms |
24240 KB |
Output is correct |
15 |
Correct |
124 ms |
22440 KB |
Output is correct |
16 |
Correct |
1 ms |
1880 KB |
Output is correct |
17 |
Correct |
58 ms |
19300 KB |
Output is correct |
18 |
Correct |
4 ms |
4184 KB |
Output is correct |
19 |
Correct |
4 ms |
4188 KB |
Output is correct |
20 |
Correct |
4 ms |
4188 KB |
Output is correct |
21 |
Correct |
4 ms |
4424 KB |
Output is correct |
22 |
Correct |
4 ms |
4188 KB |
Output is correct |
23 |
Correct |
4 ms |
4360 KB |
Output is correct |
24 |
Correct |
4 ms |
4404 KB |
Output is correct |
25 |
Correct |
4 ms |
4188 KB |
Output is correct |
26 |
Correct |
5 ms |
4228 KB |
Output is correct |
27 |
Correct |
4 ms |
4188 KB |
Output is correct |
28 |
Correct |
4 ms |
4612 KB |
Output is correct |
29 |
Correct |
4 ms |
4360 KB |
Output is correct |
30 |
Correct |
4 ms |
4444 KB |
Output is correct |
31 |
Correct |
4 ms |
4440 KB |
Output is correct |
32 |
Correct |
4 ms |
4444 KB |
Output is correct |
33 |
Correct |
1 ms |
1884 KB |
Output is correct |
34 |
Correct |
4 ms |
4188 KB |
Output is correct |
35 |
Correct |
58 ms |
6992 KB |
Output is correct |
36 |
Correct |
64 ms |
6700 KB |
Output is correct |
37 |
Correct |
57 ms |
6868 KB |
Output is correct |
38 |
Correct |
57 ms |
6620 KB |
Output is correct |
39 |
Correct |
54 ms |
6908 KB |
Output is correct |
40 |
Correct |
56 ms |
6740 KB |
Output is correct |
41 |
Correct |
54 ms |
6992 KB |
Output is correct |
42 |
Correct |
55 ms |
7040 KB |
Output is correct |
43 |
Correct |
58 ms |
6772 KB |
Output is correct |
44 |
Correct |
56 ms |
6740 KB |
Output is correct |
45 |
Correct |
38 ms |
6640 KB |
Output is correct |
46 |
Correct |
42 ms |
6736 KB |
Output is correct |
47 |
Correct |
40 ms |
6620 KB |
Output is correct |
48 |
Correct |
41 ms |
6484 KB |
Output is correct |
49 |
Correct |
39 ms |
6552 KB |
Output is correct |
50 |
Correct |
1 ms |
1880 KB |
Output is correct |
51 |
Correct |
43 ms |
6740 KB |
Output is correct |
52 |
Correct |
73 ms |
19792 KB |
Output is correct |
53 |
Correct |
59 ms |
19552 KB |
Output is correct |
54 |
Correct |
49 ms |
18272 KB |
Output is correct |
55 |
Correct |
48 ms |
18004 KB |
Output is correct |
56 |
Correct |
56 ms |
18604 KB |
Output is correct |
57 |
Correct |
62 ms |
18404 KB |
Output is correct |
58 |
Correct |
56 ms |
18312 KB |
Output is correct |
59 |
Correct |
49 ms |
18256 KB |
Output is correct |
60 |
Correct |
50 ms |
18260 KB |
Output is correct |
61 |
Correct |
60 ms |
19304 KB |
Output is correct |
62 |
Correct |
110 ms |
26192 KB |
Output is correct |
63 |
Correct |
138 ms |
28752 KB |
Output is correct |
64 |
Correct |
105 ms |
26328 KB |
Output is correct |
65 |
Correct |
138 ms |
22380 KB |
Output is correct |
66 |
Correct |
139 ms |
24400 KB |
Output is correct |
67 |
Correct |
2 ms |
1884 KB |
Output is correct |
68 |
Correct |
47 ms |
18516 KB |
Output is correct |
69 |
Correct |
242 ms |
22112 KB |
Output is correct |
70 |
Correct |
163 ms |
23044 KB |
Output is correct |
71 |
Correct |
161 ms |
21476 KB |
Output is correct |
72 |
Correct |
146 ms |
22680 KB |
Output is correct |
73 |
Correct |
152 ms |
22152 KB |
Output is correct |
74 |
Correct |
145 ms |
23184 KB |
Output is correct |
75 |
Correct |
157 ms |
21984 KB |
Output is correct |
76 |
Correct |
203 ms |
23448 KB |
Output is correct |
77 |
Correct |
134 ms |
21788 KB |
Output is correct |
78 |
Correct |
191 ms |
22140 KB |
Output is correct |
79 |
Correct |
162 ms |
31304 KB |
Output is correct |
80 |
Correct |
168 ms |
29264 KB |
Output is correct |
81 |
Correct |
163 ms |
29344 KB |
Output is correct |
82 |
Correct |
181 ms |
25732 KB |
Output is correct |
83 |
Correct |
206 ms |
24680 KB |
Output is correct |
84 |
Correct |
1 ms |
1884 KB |
Output is correct |
85 |
Correct |
108 ms |
21848 KB |
Output is correct |