oj.uz

Submission #676333

# Submission time Handle Problem Language Result Execution time Memory
676333 2022-12-30T11:20:26 Z kirakaminski968 Toll (BOI17_toll) C++17
100 / 100
 138 ms 86752 KB 
#include <bits/stdc++.h>
using namespace std;
int k, n, m, o, dp[50000][17][5][5], ans[5][5], tmp[5][5];
void comb(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++) {
			comb(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);
				comb(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]) << endl;
	}
	return 0;
}

Compilation message

toll.cpp: In function 'int main()':
toll.cpp:23:48: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   23 |    comb(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 82 ms 84476 KB Output is correct
2 Correct 33 ms 83452 KB Output is correct
3 Correct 31 ms 83472 KB Output is correct
4 Correct 32 ms 83356 KB Output is correct
5 Correct 37 ms 83448 KB Output is correct
6 Correct 33 ms 83368 KB Output is correct
7 Correct 36 ms 83392 KB Output is correct
8 Correct 84 ms 84412 KB Output is correct
9 Correct 78 ms 84300 KB Output is correct
10 Correct 65 ms 83596 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 85124 KB Output is correct
2 Correct 31 ms 83356 KB Output is correct
3 Correct 34 ms 83420 KB Output is correct
4 Correct 30 ms 83448 KB Output is correct
5 Correct 31 ms 83384 KB Output is correct
6 Correct 34 ms 83360 KB Output is correct
7 Correct 45 ms 83532 KB Output is correct
8 Correct 46 ms 83580 KB Output is correct
9 Correct 76 ms 84300 KB Output is correct
10 Correct 109 ms 85800 KB Output is correct
11 Correct 114 ms 85120 KB Output is correct
12 Correct 89 ms 84732 KB Output is correct
13 Correct 94 ms 85812 KB Output is correct
14 Correct 83 ms 84916 KB Output is correct
15 Correct 67 ms 84608 KB Output is correct
16 Correct 68 ms 84680 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 83404 KB Output is correct
2 Correct 31 ms 83400 KB Output is correct
3 Correct 32 ms 83392 KB Output is correct
4 Correct 31 ms 83424 KB Output is correct
5 Correct 37 ms 83352 KB Output is correct
6 Correct 34 ms 83380 KB Output is correct
7 Correct 38 ms 83456 KB Output is correct
8 Correct 34 ms 83432 KB Output is correct
9 Correct 32 ms 83452 KB Output is correct
10 Correct 64 ms 84236 KB Output is correct
11 Correct 83 ms 84940 KB Output is correct
12 Correct 99 ms 85576 KB Output is correct
13 Correct 100 ms 85836 KB Output is correct
14 Correct 84 ms 85244 KB Output is correct
15 Correct 61 ms 84656 KB Output is correct
16 Correct 63 ms 84568 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 83404 KB Output is correct
2 Correct 31 ms 83400 KB Output is correct
3 Correct 32 ms 83392 KB Output is correct
4 Correct 31 ms 83424 KB Output is correct
5 Correct 37 ms 83352 KB Output is correct
6 Correct 34 ms 83380 KB Output is correct
7 Correct 38 ms 83456 KB Output is correct
8 Correct 34 ms 83432 KB Output is correct
9 Correct 32 ms 83452 KB Output is correct
10 Correct 64 ms 84236 KB Output is correct
11 Correct 83 ms 84940 KB Output is correct
12 Correct 99 ms 85576 KB Output is correct
13 Correct 100 ms 85836 KB Output is correct
14 Correct 84 ms 85244 KB Output is correct
15 Correct 61 ms 84656 KB Output is correct
16 Correct 63 ms 84568 KB Output is correct
17 Correct 82 ms 85032 KB Output is correct
18 Correct 33 ms 83404 KB Output is correct
19 Correct 32 ms 83416 KB Output is correct
20 Correct 31 ms 83412 KB Output is correct
21 Correct 35 ms 83392 KB Output is correct
22 Correct 34 ms 83404 KB Output is correct
23 Correct 43 ms 83432 KB Output is correct
24 Correct 42 ms 83496 KB Output is correct
25 Correct 37 ms 83556 KB Output is correct
26 Correct 36 ms 83448 KB Output is correct
27 Correct 69 ms 84320 KB Output is correct
28 Correct 107 ms 85636 KB Output is correct
29 Correct 99 ms 85916 KB Output is correct
30 Correct 103 ms 85316 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 84476 KB Output is correct
2 Correct 33 ms 83452 KB Output is correct
3 Correct 31 ms 83472 KB Output is correct
4 Correct 32 ms 83356 KB Output is correct
5 Correct 37 ms 83448 KB Output is correct
6 Correct 33 ms 83368 KB Output is correct
7 Correct 36 ms 83392 KB Output is correct
8 Correct 84 ms 84412 KB Output is correct
9 Correct 78 ms 84300 KB Output is correct
10 Correct 65 ms 83596 KB Output is correct
11 Correct 102 ms 85124 KB Output is correct
12 Correct 31 ms 83356 KB Output is correct
13 Correct 34 ms 83420 KB Output is correct
14 Correct 30 ms 83448 KB Output is correct
15 Correct 31 ms 83384 KB Output is correct
16 Correct 34 ms 83360 KB Output is correct
17 Correct 45 ms 83532 KB Output is correct
18 Correct 46 ms 83580 KB Output is correct
19 Correct 76 ms 84300 KB Output is correct
20 Correct 109 ms 85800 KB Output is correct
21 Correct 114 ms 85120 KB Output is correct
22 Correct 89 ms 84732 KB Output is correct
23 Correct 94 ms 85812 KB Output is correct
24 Correct 83 ms 84916 KB Output is correct
25 Correct 67 ms 84608 KB Output is correct
26 Correct 68 ms 84680 KB Output is correct
27 Correct 31 ms 83404 KB Output is correct
28 Correct 31 ms 83400 KB Output is correct
29 Correct 32 ms 83392 KB Output is correct
30 Correct 31 ms 83424 KB Output is correct
31 Correct 37 ms 83352 KB Output is correct
32 Correct 34 ms 83380 KB Output is correct
33 Correct 38 ms 83456 KB Output is correct
34 Correct 34 ms 83432 KB Output is correct
35 Correct 32 ms 83452 KB Output is correct
36 Correct 64 ms 84236 KB Output is correct
37 Correct 83 ms 84940 KB Output is correct
38 Correct 99 ms 85576 KB Output is correct
39 Correct 100 ms 85836 KB Output is correct
40 Correct 84 ms 85244 KB Output is correct
41 Correct 61 ms 84656 KB Output is correct
42 Correct 63 ms 84568 KB Output is correct
43 Correct 82 ms 85032 KB Output is correct
44 Correct 33 ms 83404 KB Output is correct
45 Correct 32 ms 83416 KB Output is correct
46 Correct 31 ms 83412 KB Output is correct
47 Correct 35 ms 83392 KB Output is correct
48 Correct 34 ms 83404 KB Output is correct
49 Correct 43 ms 83432 KB Output is correct
50 Correct 42 ms 83496 KB Output is correct
51 Correct 37 ms 83556 KB Output is correct
52 Correct 36 ms 83448 KB Output is correct
53 Correct 69 ms 84320 KB Output is correct
54 Correct 107 ms 85636 KB Output is correct
55 Correct 99 ms 85916 KB Output is correct
56 Correct 103 ms 85316 KB Output is correct
57 Correct 138 ms 86752 KB Output is correct
58 Correct 83 ms 84416 KB Output is correct
59 Correct 103 ms 85228 KB Output is correct