답안 #835035

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
835035	2023-08-23T06:33:23 Z	ttamx	송신탑 (IOI22_towers)	C++17	23 / 100	4000 ms	10336 KB

towers

#include "towers.h"
#include<bits/stdc++.h>

using namespace std;

const int N=1e5+5;
const int LG=17;

int n;
int h[N],sp[LG][N];

int rmq(int l,int r){
	int k=31-__builtin_clz(r-l+1);
	return max(sp[k][l],sp[k][r-(1<<k)+1]);
}

void init(int N,vector<int> H){
	n=N;
	for(int i=1;i<=n;i++)sp[0][i]=h[i]=H[i-1];
	for(int i=1;i<LG;i++){
		for(int j=1;j+(1<<i)-1<=n;j++){
			sp[i][j]=max(sp[i-1][j],sp[i-1][j+(1<<(i-1))]);
		}
	}
}

int max_towers(int L,int R,int D){
	L++,R++;
	vector<pair<int,int>> vec;
	for(int i=L;i<=R;i++)vec.emplace_back(h[i],i);
	sort(vec.begin(),vec.end());
	set<int> ans;
	auto lb=[&](int id){
		int l=L-1,r=id-1;
		while(l<r){
			int m=(l+r+1)/2;
			if(rmq(m,id)>=h[id]+D)l=m;
			else r=m-1;
		}
		return l;
	};
	auto ub=[&](int id){
		int l=id+1,r=R+1;
		while(l<r){
			int m=(l+r)/2;
			if(rmq(id,m)>=h[id]+D)r=m;
			else l=m+1;
		}
		return l;
	};
	for(auto [hei,id]:vec){
		int l=lb(id),r=ub(id);
		auto it=ans.lower_bound(l);
		if(it==ans.end()||*it>r)ans.emplace(id);
	}
	return ans.size();
}

Subtask #1
0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4078 ms	5420 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	388 KB	Output is correct
2	Correct	1 ms	464 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	1 ms	336 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	1 ms	336 KB	Output is correct
12	Correct	0 ms	260 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	464 KB	Output is correct
17	Correct	1 ms	464 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	436 KB	Output is correct
20	Correct	1 ms	464 KB	Output is correct
21	Correct	1 ms	464 KB	Output is correct
22	Correct	1 ms	464 KB	Output is correct
23	Correct	1 ms	464 KB	Output is correct
24	Correct	1 ms	516 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	464 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	1 ms	480 KB	Output is correct
29	Correct	1 ms	464 KB	Output is correct
30	Correct	1 ms	464 KB	Output is correct
31	Correct	1 ms	464 KB	Output is correct
32	Correct	1 ms	464 KB	Output is correct
33	Correct	1 ms	464 KB	Output is correct
34	Correct	1 ms	464 KB	Output is correct
35	Correct	1 ms	464 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	388 KB	Output is correct
2	Correct	1 ms	464 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	1 ms	336 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	1 ms	336 KB	Output is correct
12	Correct	0 ms	260 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	464 KB	Output is correct
17	Correct	1 ms	464 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	436 KB	Output is correct
20	Correct	1 ms	464 KB	Output is correct
21	Correct	1 ms	464 KB	Output is correct
22	Correct	1 ms	464 KB	Output is correct
23	Correct	1 ms	464 KB	Output is correct
24	Correct	1 ms	516 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	464 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	1 ms	480 KB	Output is correct
29	Correct	1 ms	464 KB	Output is correct
30	Correct	1 ms	464 KB	Output is correct
31	Correct	1 ms	464 KB	Output is correct
32	Correct	1 ms	464 KB	Output is correct
33	Correct	1 ms	464 KB	Output is correct
34	Correct	1 ms	464 KB	Output is correct
35	Correct	1 ms	464 KB	Output is correct
36	Correct	14 ms	5072 KB	Output is correct
37	Correct	21 ms	8056 KB	Output is correct
38	Correct	16 ms	7632 KB	Output is correct
39	Correct	18 ms	7752 KB	Output is correct
40	Correct	22 ms	7612 KB	Output is correct
41	Correct	48 ms	8776 KB	Output is correct
42	Correct	13 ms	7632 KB	Output is correct
43	Correct	19 ms	8136 KB	Output is correct
44	Correct	14 ms	7632 KB	Output is correct
45	Correct	13 ms	7632 KB	Output is correct
46	Correct	12 ms	7624 KB	Output is correct
47	Correct	26 ms	7972 KB	Output is correct
48	Correct	27 ms	7840 KB	Output is correct
49	Correct	15 ms	7632 KB	Output is correct
50	Correct	14 ms	7596 KB	Output is correct
51	Correct	25 ms	8008 KB	Output is correct
52	Correct	65 ms	9560 KB	Output is correct
53	Correct	68 ms	10300 KB	Output is correct
54	Correct	70 ms	10296 KB	Output is correct
55	Correct	31 ms	8776 KB	Output is correct
56	Correct	27 ms	8768 KB	Output is correct
57	Correct	45 ms	8532 KB	Output is correct
58	Correct	62 ms	9068 KB	Output is correct
59	Correct	58 ms	9200 KB	Output is correct
60	Correct	69 ms	10336 KB	Output is correct
61	Correct	66 ms	9912 KB	Output is correct
62	Correct	52 ms	9324 KB	Output is correct
63	Correct	59 ms	10024 KB	Output is correct
64	Correct	34 ms	8776 KB	Output is correct
65	Correct	26 ms	8776 KB	Output is correct
66	Correct	35 ms	8776 KB	Output is correct
67	Correct	26 ms	8824 KB	Output is correct

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4086 ms	10036 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	4081 ms	2780 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	388 KB	Output is correct
2	Correct	1 ms	464 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	1 ms	336 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	1 ms	336 KB	Output is correct
12	Correct	0 ms	260 KB	Output is correct
13	Correct	1 ms	336 KB	Output is correct
14	Correct	1 ms	344 KB	Output is correct
15	Correct	1 ms	336 KB	Output is correct
16	Correct	1 ms	464 KB	Output is correct
17	Correct	1 ms	464 KB	Output is correct
18	Correct	1 ms	336 KB	Output is correct
19	Correct	1 ms	436 KB	Output is correct
20	Correct	1 ms	464 KB	Output is correct
21	Correct	1 ms	464 KB	Output is correct
22	Correct	1 ms	464 KB	Output is correct
23	Correct	1 ms	464 KB	Output is correct
24	Correct	1 ms	516 KB	Output is correct
25	Correct	1 ms	336 KB	Output is correct
26	Correct	1 ms	464 KB	Output is correct
27	Correct	1 ms	464 KB	Output is correct
28	Correct	1 ms	480 KB	Output is correct
29	Correct	1 ms	464 KB	Output is correct
30	Correct	1 ms	464 KB	Output is correct
31	Correct	1 ms	464 KB	Output is correct
32	Correct	1 ms	464 KB	Output is correct
33	Correct	1 ms	464 KB	Output is correct
34	Correct	1 ms	464 KB	Output is correct
35	Correct	1 ms	464 KB	Output is correct
36	Correct	14 ms	5072 KB	Output is correct
37	Correct	21 ms	8056 KB	Output is correct
38	Correct	16 ms	7632 KB	Output is correct
39	Correct	18 ms	7752 KB	Output is correct
40	Correct	22 ms	7612 KB	Output is correct
41	Correct	48 ms	8776 KB	Output is correct
42	Correct	13 ms	7632 KB	Output is correct
43	Correct	19 ms	8136 KB	Output is correct
44	Correct	14 ms	7632 KB	Output is correct
45	Correct	13 ms	7632 KB	Output is correct
46	Correct	12 ms	7624 KB	Output is correct
47	Correct	26 ms	7972 KB	Output is correct
48	Correct	27 ms	7840 KB	Output is correct
49	Correct	15 ms	7632 KB	Output is correct
50	Correct	14 ms	7596 KB	Output is correct
51	Correct	25 ms	8008 KB	Output is correct
52	Correct	65 ms	9560 KB	Output is correct
53	Correct	68 ms	10300 KB	Output is correct
54	Correct	70 ms	10296 KB	Output is correct
55	Correct	31 ms	8776 KB	Output is correct
56	Correct	27 ms	8768 KB	Output is correct
57	Correct	45 ms	8532 KB	Output is correct
58	Correct	62 ms	9068 KB	Output is correct
59	Correct	58 ms	9200 KB	Output is correct
60	Correct	69 ms	10336 KB	Output is correct
61	Correct	66 ms	9912 KB	Output is correct
62	Correct	52 ms	9324 KB	Output is correct
63	Correct	59 ms	10024 KB	Output is correct
64	Correct	34 ms	8776 KB	Output is correct
65	Correct	26 ms	8776 KB	Output is correct
66	Correct	35 ms	8776 KB	Output is correct
67	Correct	26 ms	8824 KB	Output is correct
68	Execution timed out	4086 ms	10036 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	4078 ms	5420 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

답안 #835035

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