답안 #1055628

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1055628	2024-08-13T00:46:58 Z	vjudge1	송신탑 (IOI22_towers)	C++17	23 / 100	4000 ms	94048 KB

towers

#include "towers.h"

#include <bits/stdc++.h>
using namespace std;
vector<int>H,addto;
void init(int N, std::vector<int> H_) {
    H=H_;
}
struct fenwickt{
    int T[100100];
    int qry(int n){
        n++;
        int ans=0;
        while(n)
            ans=max(ans,T[n]),n-=n&-n;
        return ans;
    }
    void upd(int n,int p){
        n++;
        while(n<100100)
            T[n]=max(T[n],p),n+=n&-n;
    }
} ST;

vector<pair<int,int>>inser[100100];
int max_towers(int l, int r, int D) {
    int n=H.size();
    vector<int>stk;
    stk.push_back(n);
    H.push_back(2e9);
    addto.resize(n);
    for(int i=r;i>=l;i--){
        while(H[stk.back()]<H[i])
            stk.pop_back();
        H[i]+=D;
        addto[i]=*--upper_bound(stk.begin(),stk.end(),i,[](int a,int b){
            return H[a]>H[b];
        });
        H[i]-=D;
        stk.push_back(i);
    }
    int ans=0;
    stk.clear();
    for(int i=l;i<=r;i++){
        for(auto[pos,v]:inser[i])
            ST.upd(pos,v);
        while(stk.size()&&H[stk.back()]<H[i])
            stk.pop_back();
        H[i]+=D;
        auto it=upper_bound(stk.begin(),stk.end(),i,[](int a,int b){
            return H[a]>H[b];
        });
        H[i]-=D;
        int Pos=0;
        if(it!=stk.begin())
        Pos=*--it;
        int dp=ST.qry(Pos-1)+1;
        inser[addto[i]+1].push_back({i,dp});
        ans=max(ans,dp);
        stk.push_back(i);
    }

    return ans;
}

Subtask #1
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4027 ms	90836 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2648 KB	Output is correct
3	Correct	1 ms	2648 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2796 KB	Output is correct
8	Correct	1 ms	2648 KB	Output is correct
9	Correct	1 ms	2648 KB	Output is correct
10	Correct	2 ms	2648 KB	Output is correct
11	Correct	1 ms	2648 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct
14	Correct	1 ms	2648 KB	Output is correct
15	Correct	1 ms	2648 KB	Output is correct
16	Correct	1 ms	2648 KB	Output is correct
17	Correct	2 ms	2648 KB	Output is correct
18	Correct	1 ms	2648 KB	Output is correct
19	Correct	1 ms	2824 KB	Output is correct
20	Correct	1 ms	2648 KB	Output is correct
21	Correct	1 ms	2648 KB	Output is correct
22	Correct	1 ms	2648 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2904 KB	Output is correct
25	Correct	1 ms	2648 KB	Output is correct
26	Correct	1 ms	2648 KB	Output is correct
27	Correct	1 ms	2648 KB	Output is correct
28	Correct	1 ms	2648 KB	Output is correct
29	Correct	1 ms	2648 KB	Output is correct
30	Correct	1 ms	2676 KB	Output is correct
31	Correct	1 ms	2648 KB	Output is correct
32	Correct	1 ms	2648 KB	Output is correct
33	Correct	1 ms	2648 KB	Output is correct
34	Correct	1 ms	2648 KB	Output is correct
35	Correct	1 ms	2648 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2648 KB	Output is correct
3	Correct	1 ms	2648 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2796 KB	Output is correct
8	Correct	1 ms	2648 KB	Output is correct
9	Correct	1 ms	2648 KB	Output is correct
10	Correct	2 ms	2648 KB	Output is correct
11	Correct	1 ms	2648 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct
14	Correct	1 ms	2648 KB	Output is correct
15	Correct	1 ms	2648 KB	Output is correct
16	Correct	1 ms	2648 KB	Output is correct
17	Correct	2 ms	2648 KB	Output is correct
18	Correct	1 ms	2648 KB	Output is correct
19	Correct	1 ms	2824 KB	Output is correct
20	Correct	1 ms	2648 KB	Output is correct
21	Correct	1 ms	2648 KB	Output is correct
22	Correct	1 ms	2648 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2904 KB	Output is correct
25	Correct	1 ms	2648 KB	Output is correct
26	Correct	1 ms	2648 KB	Output is correct
27	Correct	1 ms	2648 KB	Output is correct
28	Correct	1 ms	2648 KB	Output is correct
29	Correct	1 ms	2648 KB	Output is correct
30	Correct	1 ms	2676 KB	Output is correct
31	Correct	1 ms	2648 KB	Output is correct
32	Correct	1 ms	2648 KB	Output is correct
33	Correct	1 ms	2648 KB	Output is correct
34	Correct	1 ms	2648 KB	Output is correct
35	Correct	1 ms	2648 KB	Output is correct
36	Correct	7 ms	3928 KB	Output is correct
37	Correct	16 ms	4464 KB	Output is correct
38	Correct	9 ms	4168 KB	Output is correct
39	Correct	9 ms	4424 KB	Output is correct
40	Correct	9 ms	4048 KB	Output is correct
41	Correct	20 ms	5448 KB	Output is correct
42	Correct	8 ms	3928 KB	Output is correct
43	Correct	11 ms	5324 KB	Output is correct
44	Correct	8 ms	4168 KB	Output is correct
45	Correct	8 ms	3956 KB	Output is correct
46	Correct	8 ms	3928 KB	Output is correct
47	Correct	11 ms	4680 KB	Output is correct
48	Correct	10 ms	4300 KB	Output is correct
49	Correct	9 ms	4168 KB	Output is correct
50	Correct	9 ms	4168 KB	Output is correct
51	Correct	12 ms	5448 KB	Output is correct
52	Correct	16 ms	6016 KB	Output is correct
53	Correct	15 ms	6216 KB	Output is correct
54	Correct	15 ms	6096 KB	Output is correct
55	Correct	12 ms	5448 KB	Output is correct
56	Correct	15 ms	7752 KB	Output is correct
57	Correct	22 ms	5216 KB	Output is correct
58	Correct	15 ms	5448 KB	Output is correct
59	Correct	22 ms	5732 KB	Output is correct
60	Correct	15 ms	5972 KB	Output is correct
61	Correct	21 ms	5960 KB	Output is correct
62	Correct	14 ms	5684 KB	Output is correct
63	Correct	16 ms	6212 KB	Output is correct
64	Correct	13 ms	6216 KB	Output is correct
65	Correct	11 ms	5448 KB	Output is correct
66	Correct	19 ms	5984 KB	Output is correct
67	Correct	16 ms	5444 KB	Output is correct

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4067 ms	94048 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4034 ms	54516 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	1 ms	2648 KB	Output is correct
3	Correct	1 ms	2648 KB	Output is correct
4	Correct	1 ms	2648 KB	Output is correct
5	Correct	1 ms	2648 KB	Output is correct
6	Correct	1 ms	2648 KB	Output is correct
7	Correct	1 ms	2796 KB	Output is correct
8	Correct	1 ms	2648 KB	Output is correct
9	Correct	1 ms	2648 KB	Output is correct
10	Correct	2 ms	2648 KB	Output is correct
11	Correct	1 ms	2648 KB	Output is correct
12	Correct	1 ms	2648 KB	Output is correct
13	Correct	1 ms	2648 KB	Output is correct
14	Correct	1 ms	2648 KB	Output is correct
15	Correct	1 ms	2648 KB	Output is correct
16	Correct	1 ms	2648 KB	Output is correct
17	Correct	2 ms	2648 KB	Output is correct
18	Correct	1 ms	2648 KB	Output is correct
19	Correct	1 ms	2824 KB	Output is correct
20	Correct	1 ms	2648 KB	Output is correct
21	Correct	1 ms	2648 KB	Output is correct
22	Correct	1 ms	2648 KB	Output is correct
23	Correct	1 ms	2648 KB	Output is correct
24	Correct	1 ms	2904 KB	Output is correct
25	Correct	1 ms	2648 KB	Output is correct
26	Correct	1 ms	2648 KB	Output is correct
27	Correct	1 ms	2648 KB	Output is correct
28	Correct	1 ms	2648 KB	Output is correct
29	Correct	1 ms	2648 KB	Output is correct
30	Correct	1 ms	2676 KB	Output is correct
31	Correct	1 ms	2648 KB	Output is correct
32	Correct	1 ms	2648 KB	Output is correct
33	Correct	1 ms	2648 KB	Output is correct
34	Correct	1 ms	2648 KB	Output is correct
35	Correct	1 ms	2648 KB	Output is correct
36	Correct	7 ms	3928 KB	Output is correct
37	Correct	16 ms	4464 KB	Output is correct
38	Correct	9 ms	4168 KB	Output is correct
39	Correct	9 ms	4424 KB	Output is correct
40	Correct	9 ms	4048 KB	Output is correct
41	Correct	20 ms	5448 KB	Output is correct
42	Correct	8 ms	3928 KB	Output is correct
43	Correct	11 ms	5324 KB	Output is correct
44	Correct	8 ms	4168 KB	Output is correct
45	Correct	8 ms	3956 KB	Output is correct
46	Correct	8 ms	3928 KB	Output is correct
47	Correct	11 ms	4680 KB	Output is correct
48	Correct	10 ms	4300 KB	Output is correct
49	Correct	9 ms	4168 KB	Output is correct
50	Correct	9 ms	4168 KB	Output is correct
51	Correct	12 ms	5448 KB	Output is correct
52	Correct	16 ms	6016 KB	Output is correct
53	Correct	15 ms	6216 KB	Output is correct
54	Correct	15 ms	6096 KB	Output is correct
55	Correct	12 ms	5448 KB	Output is correct
56	Correct	15 ms	7752 KB	Output is correct
57	Correct	22 ms	5216 KB	Output is correct
58	Correct	15 ms	5448 KB	Output is correct
59	Correct	22 ms	5732 KB	Output is correct
60	Correct	15 ms	5972 KB	Output is correct
61	Correct	21 ms	5960 KB	Output is correct
62	Correct	14 ms	5684 KB	Output is correct
63	Correct	16 ms	6212 KB	Output is correct
64	Correct	13 ms	6216 KB	Output is correct
65	Correct	11 ms	5448 KB	Output is correct
66	Correct	19 ms	5984 KB	Output is correct
67	Correct	16 ms	5444 KB	Output is correct
68	Execution timed out	4067 ms	94048 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4027 ms	90836 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

답안 #1055628

Compilation message

Subtask #1 0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0