oj.uz

Submission #930910

# Submission time Handle Problem Language Result Execution time Memory
930910 2024-02-20T18:21:32 Z mnbvcxz123 Toll (BOI17_toll) C++17
100 / 100
 73 ms 86864 KB 
#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

# Verdict Execution time Memory Grader output
1 Correct 45 ms 84564 KB Output is correct
2 Correct 13 ms 83544 KB Output is correct
3 Correct 12 ms 83544 KB Output is correct
4 Correct 12 ms 83444 KB Output is correct
5 Correct 13 ms 83468 KB Output is correct
6 Correct 13 ms 83544 KB Output is correct
7 Correct 12 ms 83468 KB Output is correct
8 Correct 44 ms 84528 KB Output is correct
9 Correct 43 ms 84480 KB Output is correct
10 Correct 29 ms 83544 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 85140 KB Output is correct
2 Correct 13 ms 83548 KB Output is correct
3 Correct 11 ms 83432 KB Output is correct
4 Correct 12 ms 83544 KB Output is correct
5 Correct 12 ms 83548 KB Output is correct
6 Correct 12 ms 83548 KB Output is correct
7 Correct 15 ms 83544 KB Output is correct
8 Correct 16 ms 83548 KB Output is correct
9 Correct 41 ms 84372 KB Output is correct
10 Correct 57 ms 85844 KB Output is correct
11 Correct 57 ms 85328 KB Output is correct
12 Correct 48 ms 84820 KB Output is correct
13 Correct 51 ms 86096 KB Output is correct
14 Correct 42 ms 85076 KB Output is correct
15 Correct 41 ms 84816 KB Output is correct
16 Correct 42 ms 84828 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 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 83548 KB Output is correct
5 Correct 11 ms 83548 KB Output is correct
6 Correct 12 ms 83392 KB Output is correct
7 Correct 12 ms 83548 KB Output is correct
8 Correct 13 ms 83548 KB Output is correct
9 Correct 13 ms 83548 KB Output is correct
10 Correct 36 ms 84420 KB Output is correct
11 Correct 48 ms 85080 KB Output is correct
12 Correct 54 ms 85760 KB Output is correct
13 Correct 57 ms 85840 KB Output is correct
14 Correct 48 ms 85332 KB Output is correct
15 Correct 35 ms 84688 KB Output is correct
16 Correct 37 ms 84572 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 12 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 83548 KB Output is correct
5 Correct 11 ms 83548 KB Output is correct
6 Correct 12 ms 83392 KB Output is correct
7 Correct 12 ms 83548 KB Output is correct
8 Correct 13 ms 83548 KB Output is correct
9 Correct 13 ms 83548 KB Output is correct
10 Correct 36 ms 84420 KB Output is correct
11 Correct 48 ms 85080 KB Output is correct
12 Correct 54 ms 85760 KB Output is correct
13 Correct 57 ms 85840 KB Output is correct
14 Correct 48 ms 85332 KB Output is correct
15 Correct 35 ms 84688 KB Output is correct
16 Correct 37 ms 84572 KB Output is correct
17 Correct 67 ms 85160 KB Output is correct
18 Correct 12 ms 83548 KB Output is correct
19 Correct 11 ms 83448 KB Output is correct
20 Correct 12 ms 83804 KB Output is correct
21 Correct 12 ms 83548 KB Output is correct
22 Correct 12 ms 83596 KB Output is correct
23 Correct 13 ms 83548 KB Output is correct
24 Correct 13 ms 83548 KB Output is correct
25 Correct 15 ms 83548 KB Output is correct
26 Correct 13 ms 83548 KB Output is correct
27 Correct 38 ms 84452 KB Output is correct
28 Correct 56 ms 85588 KB Output is correct
29 Correct 64 ms 86048 KB Output is correct
30 Correct 50 ms 85396 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 45 ms 84564 KB Output is correct
2 Correct 13 ms 83544 KB Output is correct
3 Correct 12 ms 83544 KB Output is correct
4 Correct 12 ms 83444 KB Output is correct
5 Correct 13 ms 83468 KB Output is correct
6 Correct 13 ms 83544 KB Output is correct
7 Correct 12 ms 83468 KB Output is correct
8 Correct 44 ms 84528 KB Output is correct
9 Correct 43 ms 84480 KB Output is correct
10 Correct 29 ms 83544 KB Output is correct
11 Correct 53 ms 85140 KB Output is correct
12 Correct 13 ms 83548 KB Output is correct
13 Correct 11 ms 83432 KB Output is correct
14 Correct 12 ms 83544 KB Output is correct
15 Correct 12 ms 83548 KB Output is correct
16 Correct 12 ms 83548 KB Output is correct
17 Correct 15 ms 83544 KB Output is correct
18 Correct 16 ms 83548 KB Output is correct
19 Correct 41 ms 84372 KB Output is correct
20 Correct 57 ms 85844 KB Output is correct
21 Correct 57 ms 85328 KB Output is correct
22 Correct 48 ms 84820 KB Output is correct
23 Correct 51 ms 86096 KB Output is correct
24 Correct 42 ms 85076 KB Output is correct
25 Correct 41 ms 84816 KB Output is correct
26 Correct 42 ms 84828 KB Output is correct
27 Correct 12 ms 83544 KB Output is correct
28 Correct 11 ms 83548 KB Output is correct
29 Correct 11 ms 83548 KB Output is correct
30 Correct 12 ms 83548 KB Output is correct
31 Correct 11 ms 83548 KB Output is correct
32 Correct 12 ms 83392 KB Output is correct
33 Correct 12 ms 83548 KB Output is correct
34 Correct 13 ms 83548 KB Output is correct
35 Correct 13 ms 83548 KB Output is correct
36 Correct 36 ms 84420 KB Output is correct
37 Correct 48 ms 85080 KB Output is correct
38 Correct 54 ms 85760 KB Output is correct
39 Correct 57 ms 85840 KB Output is correct
40 Correct 48 ms 85332 KB Output is correct
41 Correct 35 ms 84688 KB Output is correct
42 Correct 37 ms 84572 KB Output is correct
43 Correct 67 ms 85160 KB Output is correct
44 Correct 12 ms 83548 KB Output is correct
45 Correct 11 ms 83448 KB Output is correct
46 Correct 12 ms 83804 KB Output is correct
47 Correct 12 ms 83548 KB Output is correct
48 Correct 12 ms 83596 KB Output is correct
49 Correct 13 ms 83548 KB Output is correct
50 Correct 13 ms 83548 KB Output is correct
51 Correct 15 ms 83548 KB Output is correct
52 Correct 13 ms 83548 KB Output is correct
53 Correct 38 ms 84452 KB Output is correct
54 Correct 56 ms 85588 KB Output is correct
55 Correct 64 ms 86048 KB Output is correct
56 Correct 50 ms 85396 KB Output is correct
57 Correct 73 ms 86864 KB Output is correct
58 Correct 47 ms 84528 KB Output is correct
59 Correct 56 ms 85332 KB Output is correct