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Submission #298035

# Submission time Handle Problem Language Result Execution time Memory
298035 2020-09-12T10:02:59 Z miss_robot Toll (BOI17_toll) C++14
100 / 100
 264 ms 73596 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("O3")
#define int long long

using namespace std;

signed main(){
	cin.tie(0);
	ios::sync_with_stdio(0);
	int k, n, m, o, L = 16, INF = numeric_limits<int>::max()/8;
	cin >> k >> n >> m >> o;
	vector< vector< vector< vector<int> > > > g(L, vector< vector< vector<int> > >((n+k-1)/k, vector< vector<int> >(k, vector<int>(k, INF))));
	while(m--){
		int a, b, t;
		cin >> a >> b >> t;
		g[0][a/k][a%k][b%k] = t;
	}
	for(int i = 1; i < L; i++)
		for(int j = 0; j < (n+k-1)/k-(1<<i); j++)
			for(int u = 0; u < k; u++)
				for(int v = 0; v < k; v++)
					for(int w = 0; w < k; w++)
				g[i][j][u][v] = min(g[i][j][u][v], g[i-1][j][u][w]+g[i-1][j+(1<<(i-1))][w][v]);
	while(o--){
		int a, b, pos;
		cin >> a >> b;
		if(a/k == b/k){
			cout << "-1\n";
			continue;
		}
		vector<int> dis(k, INF);
		dis[a%k] = 0;
		pos = a/k;
		for(int i = L-1; i >= 0; i--){
			if(pos + (1<<i) > b/k) continue;
			vector<int> newdis(k, INF);
			for(int u = 0; u < k; u++)
				for(int v = 0; v < k; v++)
					newdis[v] = min(newdis[v], dis[u]+g[i][pos][u][v]);
			dis = newdis;
			pos += (1<<i);
		}
		cout << (dis[b%k]==INF?-1:dis[b%k]) << "\n";
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 73556 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 4 ms 1792 KB Output is correct
6 Correct 4 ms 1792 KB Output is correct
7 Correct 4 ms 1792 KB Output is correct
8 Correct 186 ms 73596 KB Output is correct
9 Correct 200 ms 73592 KB Output is correct
10 Correct 166 ms 73592 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 222 ms 64676 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 10 ms 1920 KB Output is correct
8 Correct 11 ms 1792 KB Output is correct
9 Correct 170 ms 73592 KB Output is correct
10 Correct 210 ms 57712 KB Output is correct
11 Correct 177 ms 64812 KB Output is correct
12 Correct 164 ms 56688 KB Output is correct
13 Correct 156 ms 41916 KB Output is correct
14 Correct 103 ms 34828 KB Output is correct
15 Correct 114 ms 40676 KB Output is correct
16 Correct 114 ms 40680 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 3 ms 1808 KB Output is correct
7 Correct 3 ms 1664 KB Output is correct
8 Correct 4 ms 1664 KB Output is correct
9 Correct 4 ms 1792 KB Output is correct
10 Correct 155 ms 73592 KB Output is correct
11 Correct 150 ms 64684 KB Output is correct
12 Correct 169 ms 57792 KB Output is correct
13 Correct 162 ms 57840 KB Output is correct
14 Correct 162 ms 57324 KB Output is correct
15 Correct 118 ms 40552 KB Output is correct
16 Correct 111 ms 40552 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 3 ms 1808 KB Output is correct
7 Correct 3 ms 1664 KB Output is correct
8 Correct 4 ms 1664 KB Output is correct
9 Correct 4 ms 1792 KB Output is correct
10 Correct 155 ms 73592 KB Output is correct
11 Correct 150 ms 64684 KB Output is correct
12 Correct 169 ms 57792 KB Output is correct
13 Correct 162 ms 57840 KB Output is correct
14 Correct 162 ms 57324 KB Output is correct
15 Correct 118 ms 40552 KB Output is correct
16 Correct 111 ms 40552 KB Output is correct
17 Correct 162 ms 64640 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 6 ms 1920 KB Output is correct
24 Correct 8 ms 1664 KB Output is correct
25 Correct 7 ms 1792 KB Output is correct
26 Correct 7 ms 1792 KB Output is correct
27 Correct 174 ms 73592 KB Output is correct
28 Correct 162 ms 57712 KB Output is correct
29 Correct 188 ms 57888 KB Output is correct
30 Correct 156 ms 57328 KB Output is correct

Subtask #5
44.0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 73556 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 4 ms 1792 KB Output is correct
6 Correct 4 ms 1792 KB Output is correct
7 Correct 4 ms 1792 KB Output is correct
8 Correct 186 ms 73596 KB Output is correct
9 Correct 200 ms 73592 KB Output is correct
10 Correct 166 ms 73592 KB Output is correct
11 Correct 222 ms 64676 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 10 ms 1920 KB Output is correct
18 Correct 11 ms 1792 KB Output is correct
19 Correct 170 ms 73592 KB Output is correct
20 Correct 210 ms 57712 KB Output is correct
21 Correct 177 ms 64812 KB Output is correct
22 Correct 164 ms 56688 KB Output is correct
23 Correct 156 ms 41916 KB Output is correct
24 Correct 103 ms 34828 KB Output is correct
25 Correct 114 ms 40676 KB Output is correct
26 Correct 114 ms 40680 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 3 ms 1808 KB Output is correct
33 Correct 3 ms 1664 KB Output is correct
34 Correct 4 ms 1664 KB Output is correct
35 Correct 4 ms 1792 KB Output is correct
36 Correct 155 ms 73592 KB Output is correct
37 Correct 150 ms 64684 KB Output is correct
38 Correct 169 ms 57792 KB Output is correct
39 Correct 162 ms 57840 KB Output is correct
40 Correct 162 ms 57324 KB Output is correct
41 Correct 118 ms 40552 KB Output is correct
42 Correct 111 ms 40552 KB Output is correct
43 Correct 162 ms 64640 KB Output is correct
44 Correct 1 ms 384 KB Output is correct
45 Correct 1 ms 384 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 6 ms 1920 KB Output is correct
50 Correct 8 ms 1664 KB Output is correct
51 Correct 7 ms 1792 KB Output is correct
52 Correct 7 ms 1792 KB Output is correct
53 Correct 174 ms 73592 KB Output is correct
54 Correct 162 ms 57712 KB Output is correct
55 Correct 188 ms 57888 KB Output is correct
56 Correct 156 ms 57328 KB Output is correct
57 Correct 264 ms 71632 KB Output is correct
58 Correct 191 ms 73592 KB Output is correct
59 Correct 182 ms 64812 KB Output is correct