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Submission #720851

# Submission time Handle Problem Language Result Execution time Memory
720851 2023-04-09T14:26:09 Z Makarooni Toll (BOI17_toll) C++17
56 / 100
 3000 ms 47304 KB 
/* IN THE NAME OF GOD */
/* |\/| /-\ |\| | |\/| /-\ */

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

#define sz(x) (int)x.size()
#define endl '\n'
#define pb push_back
#define F first
#define S second
#define mr make_pair
#define pii pair<int, int>

const int N = 5e4 + 1;
int inf = 5e8 + 1;

vector<pii> g[N];
int dis[N], qq[2][10001], ans[10001], mx[N], qqq[10001];
int Q[N][10001];
int pt[N];
int bl[N];

int main(){
	ios_base:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	int k, n, m, q;
	cin >> k >> n >> m >> q;
	int u, v, w;
	for(int i = 1; i <= m; i++){
		cin >> u >> v >> w;
		g[u].pb(mr(v, w));
	}
	int p = 0;
	for(int i = 1; i <= q; i++){
		cin >> qq[0][i] >> qq[1][i];
		if(qq[0][i] > qq[1][i]){
			ans[i] = -1;
			continue;
		}
		if(qq[0][i] == qq[1][i])
			continue;
		if(qq[0][i] / k == qq[1][i] / k){
			ans[i] = -1;
			continue;
		}
		Q[qq[0][i]][pt[qq[0][i]]] = i;
		pt[qq[0][i]]++;
		mx[qq[0][i]] = max(mx[qq[0][i]], qq[1][i]);
		if(!bl[qq[0][i]]){
			qqq[p] = qq[0][i];
			p++;
		}
		bl[qq[0][i]] = 1;
	}
	for(int i = 0; i < p; i++){
		memset(dis, 31, sizeof dis);
		u = qqq[i];
		dis[u] = 0;
		bl[u] = 1;
		for(int j = u; j < mx[u]; j++){
			for(pii l : g[j]){
					dis[l.F] = min(dis[l.F], l.S + dis[j]);
			}
		}
		for(int j = 0; j < pt[u]; j++){
			w = Q[u][j];
			v = qq[1][w];
			if(dis[v] >= inf)
				ans[w] = -1;
			else
				ans[w] = dis[v];
		}
	}
	for(int i = 1; i <= q; i++){
		cout << ans[i] << endl;
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2135 ms 43532 KB Output is correct
2 Correct 2 ms 1748 KB Output is correct
3 Correct 1 ms 1632 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 7 ms 4180 KB Output is correct
6 Correct 7 ms 4076 KB Output is correct
7 Correct 7 ms 4104 KB Output is correct
8 Correct 2209 ms 43672 KB Output is correct
9 Correct 2339 ms 43440 KB Output is correct
10 Correct 179 ms 41196 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 5072 KB Output is correct
2 Correct 1 ms 1620 KB Output is correct
3 Correct 1 ms 1620 KB Output is correct
4 Correct 1 ms 1620 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1620 KB Output is correct
7 Correct 3 ms 1980 KB Output is correct
8 Correct 4 ms 2004 KB Output is correct
9 Correct 21 ms 4312 KB Output is correct
10 Correct 46 ms 6592 KB Output is correct
11 Correct 38 ms 5196 KB Output is correct
12 Correct 39 ms 4516 KB Output is correct
13 Correct 57 ms 6920 KB Output is correct
14 Correct 30 ms 4840 KB Output is correct
15 Correct 28 ms 4268 KB Output is correct
16 Correct 24 ms 4172 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1636 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 2 ms 1620 KB Output is correct
6 Correct 3 ms 2132 KB Output is correct
7 Correct 3 ms 2132 KB Output is correct
8 Correct 4 ms 2260 KB Output is correct
9 Correct 4 ms 2208 KB Output is correct
10 Correct 50 ms 5272 KB Output is correct
11 Correct 73 ms 5904 KB Output is correct
12 Correct 84 ms 7616 KB Output is correct
13 Correct 76 ms 8000 KB Output is correct
14 Correct 78 ms 6832 KB Output is correct
15 Correct 48 ms 5236 KB Output is correct
16 Correct 41 ms 5232 KB Output is correct

Subtask #4
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1636 KB Output is correct
2 Correct 1 ms 1748 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 2 ms 1620 KB Output is correct
6 Correct 3 ms 2132 KB Output is correct
7 Correct 3 ms 2132 KB Output is correct
8 Correct 4 ms 2260 KB Output is correct
9 Correct 4 ms 2208 KB Output is correct
10 Correct 50 ms 5272 KB Output is correct
11 Correct 73 ms 5904 KB Output is correct
12 Correct 84 ms 7616 KB Output is correct
13 Correct 76 ms 8000 KB Output is correct
14 Correct 78 ms 6832 KB Output is correct
15 Correct 48 ms 5236 KB Output is correct
16 Correct 41 ms 5232 KB Output is correct
17 Correct 912 ms 20256 KB Output is correct
18 Correct 1 ms 1748 KB Output is correct
19 Correct 1 ms 1632 KB Output is correct
20 Correct 2 ms 1632 KB Output is correct
21 Correct 1 ms 1748 KB Output is correct
22 Correct 1 ms 1620 KB Output is correct
23 Correct 11 ms 5308 KB Output is correct
24 Correct 12 ms 5224 KB Output is correct
25 Correct 17 ms 5312 KB Output is correct
26 Correct 14 ms 5204 KB Output is correct
27 Correct 834 ms 19424 KB Output is correct
28 Correct 1251 ms 21772 KB Output is correct
29 Correct 1175 ms 22456 KB Output is correct
30 Correct 1085 ms 21020 KB Output is correct

Subtask #5
0 / 44.0

# Verdict Execution time Memory Grader output
1 Correct 2135 ms 43532 KB Output is correct
2 Correct 2 ms 1748 KB Output is correct
3 Correct 1 ms 1632 KB Output is correct
4 Correct 2 ms 1748 KB Output is correct
5 Correct 7 ms 4180 KB Output is correct
6 Correct 7 ms 4076 KB Output is correct
7 Correct 7 ms 4104 KB Output is correct
8 Correct 2209 ms 43672 KB Output is correct
9 Correct 2339 ms 43440 KB Output is correct
10 Correct 179 ms 41196 KB Output is correct
11 Correct 53 ms 5072 KB Output is correct
12 Correct 1 ms 1620 KB Output is correct
13 Correct 1 ms 1620 KB Output is correct
14 Correct 1 ms 1620 KB Output is correct
15 Correct 1 ms 1628 KB Output is correct
16 Correct 1 ms 1620 KB Output is correct
17 Correct 3 ms 1980 KB Output is correct
18 Correct 4 ms 2004 KB Output is correct
19 Correct 21 ms 4312 KB Output is correct
20 Correct 46 ms 6592 KB Output is correct
21 Correct 38 ms 5196 KB Output is correct
22 Correct 39 ms 4516 KB Output is correct
23 Correct 57 ms 6920 KB Output is correct
24 Correct 30 ms 4840 KB Output is correct
25 Correct 28 ms 4268 KB Output is correct
26 Correct 24 ms 4172 KB Output is correct
27 Correct 1 ms 1636 KB Output is correct
28 Correct 1 ms 1748 KB Output is correct
29 Correct 1 ms 1628 KB Output is correct
30 Correct 2 ms 1748 KB Output is correct
31 Correct 2 ms 1620 KB Output is correct
32 Correct 3 ms 2132 KB Output is correct
33 Correct 3 ms 2132 KB Output is correct
34 Correct 4 ms 2260 KB Output is correct
35 Correct 4 ms 2208 KB Output is correct
36 Correct 50 ms 5272 KB Output is correct
37 Correct 73 ms 5904 KB Output is correct
38 Correct 84 ms 7616 KB Output is correct
39 Correct 76 ms 8000 KB Output is correct
40 Correct 78 ms 6832 KB Output is correct
41 Correct 48 ms 5236 KB Output is correct
42 Correct 41 ms 5232 KB Output is correct
43 Correct 912 ms 20256 KB Output is correct
44 Correct 1 ms 1748 KB Output is correct
45 Correct 1 ms 1632 KB Output is correct
46 Correct 2 ms 1632 KB Output is correct
47 Correct 1 ms 1748 KB Output is correct
48 Correct 1 ms 1620 KB Output is correct
49 Correct 11 ms 5308 KB Output is correct
50 Correct 12 ms 5224 KB Output is correct
51 Correct 17 ms 5312 KB Output is correct
52 Correct 14 ms 5204 KB Output is correct
53 Correct 834 ms 19424 KB Output is correct
54 Correct 1251 ms 21772 KB Output is correct
55 Correct 1175 ms 22456 KB Output is correct
56 Correct 1085 ms 21020 KB Output is correct
57 Execution timed out 3016 ms 47304 KB Time limit exceeded
58 Halted 0 ms 0 KB -