답안 #826465

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
826465	2023-08-15T15:35:10 Z	esomer	송신탑 (IOI22_towers)	C++17	27 / 100	4000 ms	23032 KB

towers

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

using namespace std;

int N, spec;
vector<int> H, lw;
vector<vector<pair<int, int>>> mn;

pair<int, int> get_mx(int l, int r){
	int k = lw[r - l + 1];
	return max(mn[k][r], mn[k][l + (1 << k) - 1]);
}

void init(int n, vector<int> H1) {
	N = n;
	H = H1;
	spec = 0;
	bool asc = 1;
	for(int i = 1; i < N; i++){
		if(spec == -1) break;
		if(H[i] > H[i-1]){
			if(asc) spec = i;
			else spec = -1;
		}else{
			asc = 0;
		}
	}
	lw.resize(N+1);
	mn.assign(20, vector<pair<int, int>>(N));
	for(int k = 0; k < 20; k++){
		for(int i = 0; i < N; i++){
			if(k == 0) mn[k][i] = {H[i], i};
			else{
				if(i - (1 << (k-1)) < 0) mn[k][i] = mn[k-1][i];
				else{
					mn[k][i] = max(mn[k-1][i], mn[k-1][i - (1 << (k-1))]);
				}
			}
		}
	}
	int pw = 0;
	int curr = 2;
	for(int i = 1; i <= N; i++){
		if(i == curr){
			pw++; curr *= 2;
		}
		lw[i] = pw;
	}
}

pair<int, int> dnc(int L, int R, int D) {
	if(L == R) {
		return {H[L], 1};
	}else if(L > R){
		return {2e9, 0};
	}
	pair<int, int> pr = get_mx(L, R);
	int mx = pr.first;
	int ind = pr.second;
	pair<int, int> ans1 = dnc(ind + 1, R, D);
	pair<int, int> ans2 = dnc(L, ind - 1, D);
	if(ans1.first <= mx - D && ans2.first <= mx - D) return {ans1.first, ans1.second + ans2.second};
	else return min(ans1, ans2);
}

int max_towers(int L, int R, int D) {
	if(spec == -1) return dnc(L, R, D).second;
	else{
		int ans = 1;
		if(L < spec && R > spec && H[L] <= H[spec] - D && H[R] <= H[spec] - D) ans++;
		return ans;
	}
}

// int main() {
//   int N, Q;
//   assert(2 == scanf("%d %d", &N, &Q));
//   std::vector<int> H(N);
//   for (int i = 0; i < N; ++i) {
//     assert(1 == scanf("%d", &H[i]));
//   }
//   init(N, H);
//   for (int i = 0; i < Q; ++i) {
//     int L, R, D;
//     assert(3 == scanf("%d %d %d", &L, &R, &D));
//     printf("%d\n", max_towers(L, R, D));
//   }
//   return 0;
// }

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	370 ms	11084 KB	Output is correct
2	Correct	704 ms	18332 KB	Output is correct
3	Correct	588 ms	18324 KB	Output is correct
4	Correct	772 ms	18320 KB	Output is correct
5	Correct	753 ms	18344 KB	Output is correct
6	Correct	679 ms	18328 KB	Output is correct
7	Correct	644 ms	18320 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	592 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	376 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	592 KB	Output is correct
4	Correct	1 ms	592 KB	Output is correct
5	Correct	1 ms	636 KB	Output is correct
6	Correct	1 ms	592 KB	Output is correct
7	Correct	1 ms	564 KB	Output is correct
8	Correct	1 ms	592 KB	Output is correct
9	Correct	1 ms	664 KB	Output is correct
10	Correct	1 ms	592 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	640 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	1 ms	592 KB	Output is correct
23	Correct	1 ms	592 KB	Output is correct
24	Correct	1 ms	768 KB	Output is correct
25	Correct	1 ms	376 KB	Output is correct
26	Correct	1 ms	656 KB	Output is correct
27	Correct	1 ms	592 KB	Output is correct
28	Correct	1 ms	592 KB	Output is correct
29	Correct	1 ms	592 KB	Output is correct
30	Correct	1 ms	624 KB	Output is correct
31	Correct	1 ms	592 KB	Output is correct
32	Correct	1 ms	652 KB	Output is correct
33	Correct	1 ms	592 KB	Output is correct
34	Correct	1 ms	720 KB	Output is correct
35	Correct	1 ms	720 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	376 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	592 KB	Output is correct
4	Correct	1 ms	592 KB	Output is correct
5	Correct	1 ms	636 KB	Output is correct
6	Correct	1 ms	592 KB	Output is correct
7	Correct	1 ms	564 KB	Output is correct
8	Correct	1 ms	592 KB	Output is correct
9	Correct	1 ms	664 KB	Output is correct
10	Correct	1 ms	592 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	640 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	1 ms	592 KB	Output is correct
23	Correct	1 ms	592 KB	Output is correct
24	Correct	1 ms	768 KB	Output is correct
25	Correct	1 ms	376 KB	Output is correct
26	Correct	1 ms	656 KB	Output is correct
27	Correct	1 ms	592 KB	Output is correct
28	Correct	1 ms	592 KB	Output is correct
29	Correct	1 ms	592 KB	Output is correct
30	Correct	1 ms	624 KB	Output is correct
31	Correct	1 ms	592 KB	Output is correct
32	Correct	1 ms	652 KB	Output is correct
33	Correct	1 ms	592 KB	Output is correct
34	Correct	1 ms	720 KB	Output is correct
35	Correct	1 ms	720 KB	Output is correct
36	Correct	14 ms	12100 KB	Output is correct
37	Correct	24 ms	18328 KB	Output is correct
38	Correct	25 ms	18336 KB	Output is correct
39	Correct	23 ms	18328 KB	Output is correct
40	Correct	20 ms	18340 KB	Output is correct
41	Correct	35 ms	18368 KB	Output is correct
42	Correct	25 ms	18320 KB	Output is correct
43	Correct	32 ms	18232 KB	Output is correct
44	Correct	21 ms	18320 KB	Output is correct
45	Correct	25 ms	18332 KB	Output is correct
46	Correct	38 ms	18352 KB	Output is correct
47	Correct	43 ms	18320 KB	Output is correct
48	Correct	30 ms	18272 KB	Output is correct
49	Correct	27 ms	18288 KB	Output is correct
50	Correct	28 ms	18244 KB	Output is correct
51	Correct	31 ms	19596 KB	Output is correct
52	Correct	31 ms	18380 KB	Output is correct
53	Correct	30 ms	18332 KB	Output is correct
54	Correct	31 ms	18260 KB	Output is correct
55	Correct	30 ms	18232 KB	Output is correct
56	Correct	29 ms	22792 KB	Output is correct
57	Correct	34 ms	17684 KB	Output is correct
58	Correct	28 ms	18336 KB	Output is correct
59	Correct	33 ms	18300 KB	Output is correct
60	Correct	33 ms	18328 KB	Output is correct
61	Correct	36 ms	18332 KB	Output is correct
62	Correct	39 ms	18332 KB	Output is correct
63	Correct	29 ms	18340 KB	Output is correct
64	Correct	21 ms	18248 KB	Output is correct
65	Correct	25 ms	18352 KB	Output is correct
66	Correct	31 ms	20960 KB	Output is correct
67	Correct	32 ms	23032 KB	Output is correct

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4075 ms	18064 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	4080 ms	4560 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	376 KB	Output is correct
2	Correct	1 ms	620 KB	Output is correct
3	Correct	1 ms	592 KB	Output is correct
4	Correct	1 ms	592 KB	Output is correct
5	Correct	1 ms	636 KB	Output is correct
6	Correct	1 ms	592 KB	Output is correct
7	Correct	1 ms	564 KB	Output is correct
8	Correct	1 ms	592 KB	Output is correct
9	Correct	1 ms	664 KB	Output is correct
10	Correct	1 ms	592 KB	Output is correct
11	Correct	1 ms	592 KB	Output is correct
12	Correct	0 ms	208 KB	Output is correct
13	Correct	1 ms	640 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	592 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	592 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	592 KB	Output is correct
20	Correct	1 ms	640 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	1 ms	592 KB	Output is correct
23	Correct	1 ms	592 KB	Output is correct
24	Correct	1 ms	768 KB	Output is correct
25	Correct	1 ms	376 KB	Output is correct
26	Correct	1 ms	656 KB	Output is correct
27	Correct	1 ms	592 KB	Output is correct
28	Correct	1 ms	592 KB	Output is correct
29	Correct	1 ms	592 KB	Output is correct
30	Correct	1 ms	624 KB	Output is correct
31	Correct	1 ms	592 KB	Output is correct
32	Correct	1 ms	652 KB	Output is correct
33	Correct	1 ms	592 KB	Output is correct
34	Correct	1 ms	720 KB	Output is correct
35	Correct	1 ms	720 KB	Output is correct
36	Correct	14 ms	12100 KB	Output is correct
37	Correct	24 ms	18328 KB	Output is correct
38	Correct	25 ms	18336 KB	Output is correct
39	Correct	23 ms	18328 KB	Output is correct
40	Correct	20 ms	18340 KB	Output is correct
41	Correct	35 ms	18368 KB	Output is correct
42	Correct	25 ms	18320 KB	Output is correct
43	Correct	32 ms	18232 KB	Output is correct
44	Correct	21 ms	18320 KB	Output is correct
45	Correct	25 ms	18332 KB	Output is correct
46	Correct	38 ms	18352 KB	Output is correct
47	Correct	43 ms	18320 KB	Output is correct
48	Correct	30 ms	18272 KB	Output is correct
49	Correct	27 ms	18288 KB	Output is correct
50	Correct	28 ms	18244 KB	Output is correct
51	Correct	31 ms	19596 KB	Output is correct
52	Correct	31 ms	18380 KB	Output is correct
53	Correct	30 ms	18332 KB	Output is correct
54	Correct	31 ms	18260 KB	Output is correct
55	Correct	30 ms	18232 KB	Output is correct
56	Correct	29 ms	22792 KB	Output is correct
57	Correct	34 ms	17684 KB	Output is correct
58	Correct	28 ms	18336 KB	Output is correct
59	Correct	33 ms	18300 KB	Output is correct
60	Correct	33 ms	18328 KB	Output is correct
61	Correct	36 ms	18332 KB	Output is correct
62	Correct	39 ms	18332 KB	Output is correct
63	Correct	29 ms	18340 KB	Output is correct
64	Correct	21 ms	18248 KB	Output is correct
65	Correct	25 ms	18352 KB	Output is correct
66	Correct	31 ms	20960 KB	Output is correct
67	Correct	32 ms	23032 KB	Output is correct
68	Execution timed out	4075 ms	18064 KB	Time limit exceeded
69	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	370 ms	11084 KB	Output is correct
2	Correct	704 ms	18332 KB	Output is correct
3	Correct	588 ms	18324 KB	Output is correct
4	Correct	772 ms	18320 KB	Output is correct
5	Correct	753 ms	18344 KB	Output is correct
6	Correct	679 ms	18328 KB	Output is correct
7	Correct	644 ms	18320 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	592 KB	Output is correct
10	Correct	1 ms	640 KB	Output is correct
11	Correct	1 ms	376 KB	Output is correct
12	Correct	1 ms	620 KB	Output is correct
13	Correct	1 ms	592 KB	Output is correct
14	Correct	1 ms	592 KB	Output is correct
15	Correct	1 ms	636 KB	Output is correct
16	Correct	1 ms	592 KB	Output is correct
17	Correct	1 ms	564 KB	Output is correct
18	Correct	1 ms	592 KB	Output is correct
19	Correct	1 ms	664 KB	Output is correct
20	Correct	1 ms	592 KB	Output is correct
21	Correct	1 ms	592 KB	Output is correct
22	Correct	0 ms	208 KB	Output is correct
23	Correct	1 ms	640 KB	Output is correct
24	Correct	1 ms	592 KB	Output is correct
25	Correct	1 ms	592 KB	Output is correct
26	Correct	1 ms	592 KB	Output is correct
27	Correct	1 ms	592 KB	Output is correct
28	Correct	1 ms	592 KB	Output is correct
29	Correct	1 ms	592 KB	Output is correct
30	Correct	1 ms	640 KB	Output is correct
31	Correct	1 ms	592 KB	Output is correct
32	Correct	1 ms	592 KB	Output is correct
33	Correct	1 ms	592 KB	Output is correct
34	Correct	1 ms	768 KB	Output is correct
35	Correct	1 ms	376 KB	Output is correct
36	Correct	1 ms	656 KB	Output is correct
37	Correct	1 ms	592 KB	Output is correct
38	Correct	1 ms	592 KB	Output is correct
39	Correct	1 ms	592 KB	Output is correct
40	Correct	1 ms	624 KB	Output is correct
41	Correct	1 ms	592 KB	Output is correct
42	Correct	1 ms	652 KB	Output is correct
43	Correct	1 ms	592 KB	Output is correct
44	Correct	1 ms	720 KB	Output is correct
45	Correct	1 ms	720 KB	Output is correct
46	Correct	14 ms	12100 KB	Output is correct
47	Correct	24 ms	18328 KB	Output is correct
48	Correct	25 ms	18336 KB	Output is correct
49	Correct	23 ms	18328 KB	Output is correct
50	Correct	20 ms	18340 KB	Output is correct
51	Correct	35 ms	18368 KB	Output is correct
52	Correct	25 ms	18320 KB	Output is correct
53	Correct	32 ms	18232 KB	Output is correct
54	Correct	21 ms	18320 KB	Output is correct
55	Correct	25 ms	18332 KB	Output is correct
56	Correct	38 ms	18352 KB	Output is correct
57	Correct	43 ms	18320 KB	Output is correct
58	Correct	30 ms	18272 KB	Output is correct
59	Correct	27 ms	18288 KB	Output is correct
60	Correct	28 ms	18244 KB	Output is correct
61	Correct	31 ms	19596 KB	Output is correct
62	Correct	31 ms	18380 KB	Output is correct
63	Correct	30 ms	18332 KB	Output is correct
64	Correct	31 ms	18260 KB	Output is correct
65	Correct	30 ms	18232 KB	Output is correct
66	Correct	29 ms	22792 KB	Output is correct
67	Correct	34 ms	17684 KB	Output is correct
68	Correct	28 ms	18336 KB	Output is correct
69	Correct	33 ms	18300 KB	Output is correct
70	Correct	33 ms	18328 KB	Output is correct
71	Correct	36 ms	18332 KB	Output is correct
72	Correct	39 ms	18332 KB	Output is correct
73	Correct	29 ms	18340 KB	Output is correct
74	Correct	21 ms	18248 KB	Output is correct
75	Correct	25 ms	18352 KB	Output is correct
76	Correct	31 ms	20960 KB	Output is correct
77	Correct	32 ms	23032 KB	Output is correct
78	Execution timed out	4075 ms	18064 KB	Time limit exceeded
79	Halted	0 ms	0 KB	-

답안 #826465

Compilation message

Subtask #1 4.0 / 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
4.0 / 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