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Submission #210701

# Submission time Handle Problem Language Result Execution time Memory
210701 2020-03-18T05:49:38 Z super_j6 Toll (BOI17_toll) C++14
100 / 100
 134 ms 86904 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string.h>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

const int inf = 0x3f3f3f3f;
const int maxn = 50000, maxk = 5, w = 17;
int n, m, k, q;
int dp[maxk], dp2[maxk];
int st[w][maxn][maxk][maxk];

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> k >> n >> m >> q;
	n = (n + k - 1) / k;
	
	memset(st, inf, sizeof(st));
	for(int i = 0; i < m; i++){
		int u, v;
		cin >> u >> v >> st[0][u / k][u % k][v % k];
	}
	
	for(int i = 1; i < w; i++)
	for(int j = 0; j + (1 << i) < n; j++)
	for(int f1 = 0; f1 < k; f1++)
	for(int f2 = 0; f2 < k; f2++)
	for(int f3 = 0; f3 < k; f3++){
		st[i][j][f1][f3] = min(st[i][j][f1][f3], st[i - 1][j][f1][f2] + st[i - 1][j + (1 << (i - 1))][f2][f3]);
	}
	
	for(int i = 0; i < q; i++){
		int u, v;
		cin >> u >> v;
		memset(dp, inf, sizeof(dp));
		dp[u % k] = 0;
		u /= k;
		for(int j = w - 1; j >= 0; j--){
			if(u + (1 << j) <= v / k){
				memset(dp2, inf, sizeof(dp2));
				for(int f1 = 0; f1 < k; f1++)
				for(int f2 = 0; f2 < k; f2++){
					dp2[f2] = min(dp2[f2], dp[f1] + st[j][u][f1][f2]);
				}
				u += (1 << j);
				memcpy(dp, dp2, sizeof(dp));
			}
		}
		cout << (dp[v % k] == inf ? -1 : dp[v % k]) << endl;
	}

	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 84600 KB Output is correct
2 Correct 46 ms 83448 KB Output is correct
3 Correct 49 ms 83448 KB Output is correct
4 Correct 48 ms 83448 KB Output is correct
5 Correct 49 ms 83576 KB Output is correct
6 Correct 50 ms 83576 KB Output is correct
7 Correct 47 ms 83576 KB Output is correct
8 Correct 89 ms 84472 KB Output is correct
9 Correct 85 ms 84472 KB Output is correct
10 Correct 66 ms 83704 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 85244 KB Output is correct
2 Correct 49 ms 83448 KB Output is correct
3 Correct 48 ms 83452 KB Output is correct
4 Correct 49 ms 83576 KB Output is correct
5 Correct 46 ms 83576 KB Output is correct
6 Correct 53 ms 83576 KB Output is correct
7 Correct 51 ms 83576 KB Output is correct
8 Correct 52 ms 83704 KB Output is correct
9 Correct 81 ms 84344 KB Output is correct
10 Correct 112 ms 85880 KB Output is correct
11 Correct 97 ms 85240 KB Output is correct
12 Correct 89 ms 84856 KB Output is correct
13 Correct 109 ms 85880 KB Output is correct
14 Correct 88 ms 84960 KB Output is correct
15 Correct 86 ms 84728 KB Output is correct
16 Correct 88 ms 84728 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 83448 KB Output is correct
2 Correct 60 ms 83448 KB Output is correct
3 Correct 46 ms 83448 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 46 ms 83448 KB Output is correct
6 Correct 51 ms 83448 KB Output is correct
7 Correct 48 ms 83576 KB Output is correct
8 Correct 53 ms 83576 KB Output is correct
9 Correct 48 ms 83704 KB Output is correct
10 Correct 75 ms 84344 KB Output is correct
11 Correct 89 ms 85088 KB Output is correct
12 Correct 104 ms 85624 KB Output is correct
13 Correct 104 ms 85888 KB Output is correct
14 Correct 92 ms 85368 KB Output is correct
15 Correct 85 ms 84600 KB Output is correct
16 Correct 80 ms 84724 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 83448 KB Output is correct
2 Correct 60 ms 83448 KB Output is correct
3 Correct 46 ms 83448 KB Output is correct
4 Correct 46 ms 83448 KB Output is correct
5 Correct 46 ms 83448 KB Output is correct
6 Correct 51 ms 83448 KB Output is correct
7 Correct 48 ms 83576 KB Output is correct
8 Correct 53 ms 83576 KB Output is correct
9 Correct 48 ms 83704 KB Output is correct
10 Correct 75 ms 84344 KB Output is correct
11 Correct 89 ms 85088 KB Output is correct
12 Correct 104 ms 85624 KB Output is correct
13 Correct 104 ms 85888 KB Output is correct
14 Correct 92 ms 85368 KB Output is correct
15 Correct 85 ms 84600 KB Output is correct
16 Correct 80 ms 84724 KB Output is correct
17 Correct 85 ms 85112 KB Output is correct
18 Correct 46 ms 83576 KB Output is correct
19 Correct 46 ms 83448 KB Output is correct
20 Correct 47 ms 83576 KB Output is correct
21 Correct 46 ms 83448 KB Output is correct
22 Correct 47 ms 83448 KB Output is correct
23 Correct 47 ms 83576 KB Output is correct
24 Correct 49 ms 83576 KB Output is correct
25 Correct 49 ms 83576 KB Output is correct
26 Correct 49 ms 83576 KB Output is correct
27 Correct 78 ms 84344 KB Output is correct
28 Correct 100 ms 85752 KB Output is correct
29 Correct 109 ms 86008 KB Output is correct
30 Correct 101 ms 85368 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 84600 KB Output is correct
2 Correct 46 ms 83448 KB Output is correct
3 Correct 49 ms 83448 KB Output is correct
4 Correct 48 ms 83448 KB Output is correct
5 Correct 49 ms 83576 KB Output is correct
6 Correct 50 ms 83576 KB Output is correct
7 Correct 47 ms 83576 KB Output is correct
8 Correct 89 ms 84472 KB Output is correct
9 Correct 85 ms 84472 KB Output is correct
10 Correct 66 ms 83704 KB Output is correct
11 Correct 91 ms 85244 KB Output is correct
12 Correct 49 ms 83448 KB Output is correct
13 Correct 48 ms 83452 KB Output is correct
14 Correct 49 ms 83576 KB Output is correct
15 Correct 46 ms 83576 KB Output is correct
16 Correct 53 ms 83576 KB Output is correct
17 Correct 51 ms 83576 KB Output is correct
18 Correct 52 ms 83704 KB Output is correct
19 Correct 81 ms 84344 KB Output is correct
20 Correct 112 ms 85880 KB Output is correct
21 Correct 97 ms 85240 KB Output is correct
22 Correct 89 ms 84856 KB Output is correct
23 Correct 109 ms 85880 KB Output is correct
24 Correct 88 ms 84960 KB Output is correct
25 Correct 86 ms 84728 KB Output is correct
26 Correct 88 ms 84728 KB Output is correct
27 Correct 49 ms 83448 KB Output is correct
28 Correct 60 ms 83448 KB Output is correct
29 Correct 46 ms 83448 KB Output is correct
30 Correct 46 ms 83448 KB Output is correct
31 Correct 46 ms 83448 KB Output is correct
32 Correct 51 ms 83448 KB Output is correct
33 Correct 48 ms 83576 KB Output is correct
34 Correct 53 ms 83576 KB Output is correct
35 Correct 48 ms 83704 KB Output is correct
36 Correct 75 ms 84344 KB Output is correct
37 Correct 89 ms 85088 KB Output is correct
38 Correct 104 ms 85624 KB Output is correct
39 Correct 104 ms 85888 KB Output is correct
40 Correct 92 ms 85368 KB Output is correct
41 Correct 85 ms 84600 KB Output is correct
42 Correct 80 ms 84724 KB Output is correct
43 Correct 85 ms 85112 KB Output is correct
44 Correct 46 ms 83576 KB Output is correct
45 Correct 46 ms 83448 KB Output is correct
46 Correct 47 ms 83576 KB Output is correct
47 Correct 46 ms 83448 KB Output is correct
48 Correct 47 ms 83448 KB Output is correct
49 Correct 47 ms 83576 KB Output is correct
50 Correct 49 ms 83576 KB Output is correct
51 Correct 49 ms 83576 KB Output is correct
52 Correct 49 ms 83576 KB Output is correct
53 Correct 78 ms 84344 KB Output is correct
54 Correct 100 ms 85752 KB Output is correct
55 Correct 109 ms 86008 KB Output is correct
56 Correct 101 ms 85368 KB Output is correct
57 Correct 134 ms 86904 KB Output is correct
58 Correct 83 ms 84472 KB Output is correct
59 Correct 94 ms 85368 KB Output is correct