Submission #874673

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
874673	2023-11-17T14:36:50 Z	12345678	Osumnjičeni (COCI21_osumnjiceni)	C++17	110 / 110	242 ms	31304 KB

Main

#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';
    }
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	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

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	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

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	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

Subtask #4

20.0 / 20.0

#	Verdict	Execution time	Memory	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

Subtask #5

50.0 / 50.0

#	Verdict	Execution time	Memory	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