Submission #992662

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
992662	2024-06-05T00:16:12 Z	goats_9	Toll (BOI17_toll)	C++17	100 / 100	57 ms	86868 KB

toll

/* Author: goats_9 */

#include <bits/stdc++.h>
using namespace std;

int k, n, m, o;

int spt[50000][17][5][5], ans[5][5], tmp[5][5];

void merge(int res[5][5], int a[5][5], int b[5][5]) {
	for (int x = 0; x < k; x++) {
		for (int y = 0; y < k; y++) {
			for (int z = 0; z < k; z++) {
				res[x][y] = min(res[x][y], a[x][z] + b[z][y]);
			}
		}
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> k >> n >> m >> o;
	memset(spt, 0x3f, sizeof(spt));
	for (int i = 0; i < m; i++) {
		int a, b, t;
		cin >> a >> b >> t;
		spt[a/k][0][a%k][b%k] = t;
	}
	for (int j = 1; j < 17; j++) {
		int bm = 1<<j;
		for (int i = 0; i + bm < (n + k - 1) / k; i++) {
			merge(spt[i][j], spt[i][j - 1], spt[i + bm/2][j - 1]);
		}
	}
	while (o--) {
		int a, b;
		cin >> a >> b;
		memset(ans, 0x3f, sizeof(ans));
		for (int i = 0; i < 5; i++) ans[i][i] = 0;
		for (int a1 = a / k, b1 = b / k, i = 16; i >= 0; i--) {
			if (a1 + (1<<i) <= b1) {
				memset(tmp, 0x3f, sizeof(tmp));
				merge(tmp, ans, spt[a1][i]);
				memcpy(ans, tmp, sizeof(ans));
				a1 += (1<<i);
			}
		}
		cout << (ans[a%k][b%k] == 0x3f3f3f3f ? -1 : ans[a%k][b%k]) << '\n';
	}
	return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	34 ms	84504 KB	Output is correct
2	Correct	11 ms	83548 KB	Output is correct
3	Correct	11 ms	83548 KB	Output is correct
4	Correct	12 ms	83548 KB	Output is correct
5	Correct	11 ms	83652 KB	Output is correct
6	Correct	12 ms	83548 KB	Output is correct
7	Correct	12 ms	83548 KB	Output is correct
8	Correct	34 ms	84568 KB	Output is correct
9	Correct	34 ms	84492 KB	Output is correct
10	Correct	23 ms	83548 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	46 ms	85232 KB	Output is correct
2	Correct	12 ms	83548 KB	Output is correct
3	Correct	12 ms	83396 KB	Output is correct
4	Correct	11 ms	83544 KB	Output is correct
5	Correct	11 ms	83404 KB	Output is correct
6	Correct	11 ms	83444 KB	Output is correct
7	Correct	14 ms	83548 KB	Output is correct
8	Correct	14 ms	83544 KB	Output is correct
9	Correct	35 ms	84500 KB	Output is correct
10	Correct	47 ms	85844 KB	Output is correct
11	Correct	45 ms	85268 KB	Output is correct
12	Correct	38 ms	84816 KB	Output is correct
13	Correct	44 ms	85996 KB	Output is correct
14	Correct	32 ms	85076 KB	Output is correct
15	Correct	32 ms	84816 KB	Output is correct
16	Correct	31 ms	84820 KB	Output is correct

Subtask #3
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	83544 KB	Output is correct
2	Correct	11 ms	83612 KB	Output is correct
3	Correct	10 ms	83548 KB	Output is correct
4	Correct	12 ms	83396 KB	Output is correct
5	Correct	11 ms	83544 KB	Output is correct
6	Correct	10 ms	83548 KB	Output is correct
7	Correct	12 ms	83484 KB	Output is correct
8	Correct	12 ms	83544 KB	Output is correct
9	Correct	12 ms	83644 KB	Output is correct
10	Correct	31 ms	84312 KB	Output is correct
11	Correct	41 ms	85008 KB	Output is correct
12	Correct	46 ms	85588 KB	Output is correct
13	Correct	45 ms	85840 KB	Output is correct
14	Correct	41 ms	85332 KB	Output is correct
15	Correct	28 ms	84572 KB	Output is correct
16	Correct	29 ms	84572 KB	Output is correct

Subtask #4
31.0 / 31.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	11 ms	83544 KB	Output is correct
2	Correct	11 ms	83612 KB	Output is correct
3	Correct	10 ms	83548 KB	Output is correct
4	Correct	12 ms	83396 KB	Output is correct
5	Correct	11 ms	83544 KB	Output is correct
6	Correct	10 ms	83548 KB	Output is correct
7	Correct	12 ms	83484 KB	Output is correct
8	Correct	12 ms	83544 KB	Output is correct
9	Correct	12 ms	83644 KB	Output is correct
10	Correct	31 ms	84312 KB	Output is correct
11	Correct	41 ms	85008 KB	Output is correct
12	Correct	46 ms	85588 KB	Output is correct
13	Correct	45 ms	85840 KB	Output is correct
14	Correct	41 ms	85332 KB	Output is correct
15	Correct	28 ms	84572 KB	Output is correct
16	Correct	29 ms	84572 KB	Output is correct
17	Correct	42 ms	85188 KB	Output is correct
18	Correct	11 ms	83548 KB	Output is correct
19	Correct	13 ms	83800 KB	Output is correct
20	Correct	10 ms	83548 KB	Output is correct
21	Correct	10 ms	83396 KB	Output is correct
22	Correct	10 ms	83548 KB	Output is correct
23	Correct	13 ms	83548 KB	Output is correct
24	Correct	12 ms	83548 KB	Output is correct
25	Correct	13 ms	83700 KB	Output is correct
26	Correct	13 ms	83548 KB	Output is correct
27	Correct	30 ms	84408 KB	Output is correct
28	Correct	47 ms	85840 KB	Output is correct
29	Correct	50 ms	85844 KB	Output is correct
30	Correct	44 ms	85328 KB	Output is correct

Subtask #5
44.0 / 44.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	34 ms	84504 KB	Output is correct
2	Correct	11 ms	83548 KB	Output is correct
3	Correct	11 ms	83548 KB	Output is correct
4	Correct	12 ms	83548 KB	Output is correct
5	Correct	11 ms	83652 KB	Output is correct
6	Correct	12 ms	83548 KB	Output is correct
7	Correct	12 ms	83548 KB	Output is correct
8	Correct	34 ms	84568 KB	Output is correct
9	Correct	34 ms	84492 KB	Output is correct
10	Correct	23 ms	83548 KB	Output is correct
11	Correct	46 ms	85232 KB	Output is correct
12	Correct	12 ms	83548 KB	Output is correct
13	Correct	12 ms	83396 KB	Output is correct
14	Correct	11 ms	83544 KB	Output is correct
15	Correct	11 ms	83404 KB	Output is correct
16	Correct	11 ms	83444 KB	Output is correct
17	Correct	14 ms	83548 KB	Output is correct
18	Correct	14 ms	83544 KB	Output is correct
19	Correct	35 ms	84500 KB	Output is correct
20	Correct	47 ms	85844 KB	Output is correct
21	Correct	45 ms	85268 KB	Output is correct
22	Correct	38 ms	84816 KB	Output is correct
23	Correct	44 ms	85996 KB	Output is correct
24	Correct	32 ms	85076 KB	Output is correct
25	Correct	32 ms	84816 KB	Output is correct
26	Correct	31 ms	84820 KB	Output is correct
27	Correct	11 ms	83544 KB	Output is correct
28	Correct	11 ms	83612 KB	Output is correct
29	Correct	10 ms	83548 KB	Output is correct
30	Correct	12 ms	83396 KB	Output is correct
31	Correct	11 ms	83544 KB	Output is correct
32	Correct	10 ms	83548 KB	Output is correct
33	Correct	12 ms	83484 KB	Output is correct
34	Correct	12 ms	83544 KB	Output is correct
35	Correct	12 ms	83644 KB	Output is correct
36	Correct	31 ms	84312 KB	Output is correct
37	Correct	41 ms	85008 KB	Output is correct
38	Correct	46 ms	85588 KB	Output is correct
39	Correct	45 ms	85840 KB	Output is correct
40	Correct	41 ms	85332 KB	Output is correct
41	Correct	28 ms	84572 KB	Output is correct
42	Correct	29 ms	84572 KB	Output is correct
43	Correct	42 ms	85188 KB	Output is correct
44	Correct	11 ms	83548 KB	Output is correct
45	Correct	13 ms	83800 KB	Output is correct
46	Correct	10 ms	83548 KB	Output is correct
47	Correct	10 ms	83396 KB	Output is correct
48	Correct	10 ms	83548 KB	Output is correct
49	Correct	13 ms	83548 KB	Output is correct
50	Correct	12 ms	83548 KB	Output is correct
51	Correct	13 ms	83700 KB	Output is correct
52	Correct	13 ms	83548 KB	Output is correct
53	Correct	30 ms	84408 KB	Output is correct
54	Correct	47 ms	85840 KB	Output is correct
55	Correct	50 ms	85844 KB	Output is correct
56	Correct	44 ms	85328 KB	Output is correct
57	Correct	57 ms	86868 KB	Output is correct
58	Correct	36 ms	84304 KB	Output is correct
59	Correct	46 ms	85324 KB	Output is correct

Submission #992662

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 10.0 / 10.0

Subtask #3 8.0 / 8.0

Subtask #4 31.0 / 31.0

Subtask #5 44.0 / 44.0

Subtask #1
7.0 / 7.0

Subtask #2
10.0 / 10.0

Subtask #3
8.0 / 8.0

Subtask #4
31.0 / 31.0

Subtask #5
44.0 / 44.0