답안 #1003867

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1003867	2024-06-20T19:22:45 Z	tien_07	Toll (BOI17_toll)	C++17	100 / 100	57 ms	86808 KB

toll

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

int k, n, m, o;
int dp[50000][17][5][5], ans[5][5], tmp[5][5];

void combine(int target[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++) {
				target[x][y] = min(target[x][y], a[x][z] + b[z][y]);
			}
		}
	}
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> k >> n >> m >> o;
	memset(dp, 0x3f, sizeof dp);
	while (m--) {
		int a, b, t;
		cin >> a >> b >> t;
		dp[a / k][0][a % k][b % k] = t;
	}
	for (int j = 1; j < 17; j++) {
		for (int i = 0; i + (1 << j) < (n + k - 1) / k; i++) {
			combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][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 curr = a / k, dest = b / k, i = 16; ~i; i--) {
			if (curr + (1 << i) <= dest) {
				memset(tmp, 0x3f, sizeof tmp);
				combine(tmp, ans, dp[curr][i]);
				memcpy(ans, tmp, sizeof ans);
				curr += (1 << i);
			}
		}
		cout << (ans[a % k][b % k] == 0x3f3f3f3f ? -1 : ans[a % k][b % k])
		     << '\n';
	}
	return 0;
}

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:29:51: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   29 |    combine(dp[i][j], dp[i][j - 1], dp[i + (1 << j - 1)][j - 1]);
      |                                                 ~~^~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	33 ms	83548 KB	Output is correct
2	Correct	10 ms	83548 KB	Output is correct
3	Correct	10 ms	83548 KB	Output is correct
4	Correct	11 ms	83548 KB	Output is correct
5	Correct	12 ms	83548 KB	Output is correct
6	Correct	11 ms	83548 KB	Output is correct
7	Correct	11 ms	83456 KB	Output is correct
8	Correct	39 ms	83632 KB	Output is correct
9	Correct	33 ms	83480 KB	Output is correct
10	Correct	23 ms	83544 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	44 ms	83544 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	83412 KB	Output is correct
5	Correct	11 ms	83548 KB	Output is correct
6	Correct	10 ms	83620 KB	Output is correct
7	Correct	13 ms	83548 KB	Output is correct
8	Correct	14 ms	83548 KB	Output is correct
9	Correct	32 ms	83620 KB	Output is correct
10	Correct	46 ms	83624 KB	Output is correct
11	Correct	43 ms	83548 KB	Output is correct
12	Correct	37 ms	83544 KB	Output is correct
13	Correct	44 ms	83796 KB	Output is correct
14	Correct	33 ms	84048 KB	Output is correct
15	Correct	32 ms	84828 KB	Output is correct
16	Correct	31 ms	84304 KB	Output is correct

Subtask #3
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	83548 KB	Output is correct
2	Correct	11 ms	83548 KB	Output is correct
3	Correct	12 ms	83544 KB	Output is correct
4	Correct	11 ms	83420 KB	Output is correct
5	Correct	10 ms	83588 KB	Output is correct
6	Correct	11 ms	83548 KB	Output is correct
7	Correct	11 ms	83420 KB	Output is correct
8	Correct	13 ms	83544 KB	Output is correct
9	Correct	12 ms	83548 KB	Output is correct
10	Correct	29 ms	84220 KB	Output is correct
11	Correct	40 ms	85080 KB	Output is correct
12	Correct	43 ms	85588 KB	Output is correct
13	Correct	45 ms	85840 KB	Output is correct
14	Correct	40 ms	85336 KB	Output is correct
15	Correct	29 ms	83804 KB	Output is correct
16	Correct	30 ms	84788 KB	Output is correct

Subtask #4
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	83548 KB	Output is correct
2	Correct	11 ms	83548 KB	Output is correct
3	Correct	12 ms	83544 KB	Output is correct
4	Correct	11 ms	83420 KB	Output is correct
5	Correct	10 ms	83588 KB	Output is correct
6	Correct	11 ms	83548 KB	Output is correct
7	Correct	11 ms	83420 KB	Output is correct
8	Correct	13 ms	83544 KB	Output is correct
9	Correct	12 ms	83548 KB	Output is correct
10	Correct	29 ms	84220 KB	Output is correct
11	Correct	40 ms	85080 KB	Output is correct
12	Correct	43 ms	85588 KB	Output is correct
13	Correct	45 ms	85840 KB	Output is correct
14	Correct	40 ms	85336 KB	Output is correct
15	Correct	29 ms	83804 KB	Output is correct
16	Correct	30 ms	84788 KB	Output is correct
17	Correct	43 ms	85076 KB	Output is correct
18	Correct	11 ms	83544 KB	Output is correct
19	Correct	11 ms	83448 KB	Output is correct
20	Correct	11 ms	83548 KB	Output is correct
21	Correct	11 ms	83548 KB	Output is correct
22	Correct	11 ms	83548 KB	Output is correct
23	Correct	12 ms	83472 KB	Output is correct
24	Correct	12 ms	83620 KB	Output is correct
25	Correct	14 ms	83548 KB	Output is correct
26	Correct	12 ms	83644 KB	Output is correct
27	Correct	34 ms	84316 KB	Output is correct
28	Correct	54 ms	84316 KB	Output is correct
29	Correct	48 ms	85844 KB	Output is correct
30	Correct	42 ms	85008 KB	Output is correct

Subtask #5
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	33 ms	83548 KB	Output is correct
2	Correct	10 ms	83548 KB	Output is correct
3	Correct	10 ms	83548 KB	Output is correct
4	Correct	11 ms	83548 KB	Output is correct
5	Correct	12 ms	83548 KB	Output is correct
6	Correct	11 ms	83548 KB	Output is correct
7	Correct	11 ms	83456 KB	Output is correct
8	Correct	39 ms	83632 KB	Output is correct
9	Correct	33 ms	83480 KB	Output is correct
10	Correct	23 ms	83544 KB	Output is correct
11	Correct	44 ms	83544 KB	Output is correct
12	Correct	11 ms	83548 KB	Output is correct
13	Correct	11 ms	83548 KB	Output is correct
14	Correct	12 ms	83412 KB	Output is correct
15	Correct	11 ms	83548 KB	Output is correct
16	Correct	10 ms	83620 KB	Output is correct
17	Correct	13 ms	83548 KB	Output is correct
18	Correct	14 ms	83548 KB	Output is correct
19	Correct	32 ms	83620 KB	Output is correct
20	Correct	46 ms	83624 KB	Output is correct
21	Correct	43 ms	83548 KB	Output is correct
22	Correct	37 ms	83544 KB	Output is correct
23	Correct	44 ms	83796 KB	Output is correct
24	Correct	33 ms	84048 KB	Output is correct
25	Correct	32 ms	84828 KB	Output is correct
26	Correct	31 ms	84304 KB	Output is correct
27	Correct	11 ms	83548 KB	Output is correct
28	Correct	11 ms	83548 KB	Output is correct
29	Correct	12 ms	83544 KB	Output is correct
30	Correct	11 ms	83420 KB	Output is correct
31	Correct	10 ms	83588 KB	Output is correct
32	Correct	11 ms	83548 KB	Output is correct
33	Correct	11 ms	83420 KB	Output is correct
34	Correct	13 ms	83544 KB	Output is correct
35	Correct	12 ms	83548 KB	Output is correct
36	Correct	29 ms	84220 KB	Output is correct
37	Correct	40 ms	85080 KB	Output is correct
38	Correct	43 ms	85588 KB	Output is correct
39	Correct	45 ms	85840 KB	Output is correct
40	Correct	40 ms	85336 KB	Output is correct
41	Correct	29 ms	83804 KB	Output is correct
42	Correct	30 ms	84788 KB	Output is correct
43	Correct	43 ms	85076 KB	Output is correct
44	Correct	11 ms	83544 KB	Output is correct
45	Correct	11 ms	83448 KB	Output is correct
46	Correct	11 ms	83548 KB	Output is correct
47	Correct	11 ms	83548 KB	Output is correct
48	Correct	11 ms	83548 KB	Output is correct
49	Correct	12 ms	83472 KB	Output is correct
50	Correct	12 ms	83620 KB	Output is correct
51	Correct	14 ms	83548 KB	Output is correct
52	Correct	12 ms	83644 KB	Output is correct
53	Correct	34 ms	84316 KB	Output is correct
54	Correct	54 ms	84316 KB	Output is correct
55	Correct	48 ms	85844 KB	Output is correct
56	Correct	42 ms	85008 KB	Output is correct
57	Correct	57 ms	86808 KB	Output is correct
58	Correct	35 ms	84312 KB	Output is correct
59	Correct	47 ms	85092 KB	Output is correct

답안 #1003867

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