Submission #68047

# Submission time Handle Problem Language Result Execution time Memory
68047 2018-08-15T19:53:48 Z KieranHorgan Race (IOI11_race) C++17
21 / 100
3000 ms 46592 KB
#pragma GCC optimize("Ofast")
#include "race.h"
#include <bits/stdc++.h>
using namespace std;

vector<pair<pair<int, int>, int>> AdjList[200000];
bitset<400000> done[100];

int best_path(int N, int K, int H[][2], int L[]) {
	for(int i = 0; i+1 < N; i++) {
		AdjList[H[i][0]].push_back({{L[i], H[i][1]}, i*2  });
		AdjList[H[i][1]].push_back({{L[i], H[i][0]}, i*2+1});
	}

	queue<pair<pair<int, int>, pair<int, int>>> q;
	for(int i = 0; i < N; i++)
		q.push({{i, -1}, {0, 0}});
	int u, p, d, s;
	while(!q.empty()) {
		u = q.front().first.first;
		p = q.front().first.second;
		d = q.front().second.first;
		s = q.front().second.second;
		q.pop();
		for(auto v: AdjList[u]) {
			if(v.first.second != p) {
				if(d+v.first.first > K) continue;
				if(d+v.first.first == K)
					return s+1;
				if(K <= 100) {
					if(done[d+v.first.first][v.second])
						continue;
					done[d+v.first.first][v.second] = 1;
				}
				q.push({{v.first.second, u}, {d+v.first.first, s+1}});
			}
		}
	}

	return -1;
}

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 5360 KB Output is correct
3 Correct 6 ms 5360 KB Output is correct
4 Correct 6 ms 5360 KB Output is correct
5 Correct 7 ms 5360 KB Output is correct
6 Correct 6 ms 5532 KB Output is correct
7 Correct 6 ms 5592 KB Output is correct
8 Correct 6 ms 5620 KB Output is correct
9 Correct 6 ms 5768 KB Output is correct
10 Correct 7 ms 5768 KB Output is correct
11 Correct 6 ms 5768 KB Output is correct
12 Correct 7 ms 5800 KB Output is correct
13 Correct 7 ms 5800 KB Output is correct
14 Correct 6 ms 5800 KB Output is correct
15 Correct 6 ms 5800 KB Output is correct
16 Correct 8 ms 5800 KB Output is correct
17 Correct 10 ms 5800 KB Output is correct
18 Correct 8 ms 5828 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 5360 KB Output is correct
3 Correct 6 ms 5360 KB Output is correct
4 Correct 6 ms 5360 KB Output is correct
5 Correct 7 ms 5360 KB Output is correct
6 Correct 6 ms 5532 KB Output is correct
7 Correct 6 ms 5592 KB Output is correct
8 Correct 6 ms 5620 KB Output is correct
9 Correct 6 ms 5768 KB Output is correct
10 Correct 7 ms 5768 KB Output is correct
11 Correct 6 ms 5768 KB Output is correct
12 Correct 7 ms 5800 KB Output is correct
13 Correct 7 ms 5800 KB Output is correct
14 Correct 6 ms 5800 KB Output is correct
15 Correct 6 ms 5800 KB Output is correct
16 Correct 8 ms 5800 KB Output is correct
17 Correct 10 ms 5800 KB Output is correct
18 Correct 8 ms 5828 KB Output is correct
19 Correct 8 ms 5828 KB Output is correct
20 Correct 9 ms 5828 KB Output is correct
21 Correct 26 ms 7632 KB Output is correct
22 Correct 7 ms 7632 KB Output is correct
23 Correct 10 ms 7632 KB Output is correct
24 Correct 10 ms 7632 KB Output is correct
25 Correct 42 ms 7632 KB Output is correct
26 Correct 8 ms 7632 KB Output is correct
27 Correct 7 ms 7632 KB Output is correct
28 Correct 10 ms 7632 KB Output is correct
29 Correct 16 ms 7632 KB Output is correct
30 Correct 13 ms 7632 KB Output is correct
31 Correct 22 ms 7632 KB Output is correct
32 Correct 21 ms 7632 KB Output is correct
33 Correct 20 ms 7632 KB Output is correct
34 Correct 10 ms 7632 KB Output is correct
35 Correct 10 ms 7632 KB Output is correct
36 Correct 7 ms 7632 KB Output is correct
37 Correct 15 ms 7632 KB Output is correct
38 Correct 17 ms 7632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 5360 KB Output is correct
3 Correct 6 ms 5360 KB Output is correct
4 Correct 6 ms 5360 KB Output is correct
5 Correct 7 ms 5360 KB Output is correct
6 Correct 6 ms 5532 KB Output is correct
7 Correct 6 ms 5592 KB Output is correct
8 Correct 6 ms 5620 KB Output is correct
9 Correct 6 ms 5768 KB Output is correct
10 Correct 7 ms 5768 KB Output is correct
11 Correct 6 ms 5768 KB Output is correct
12 Correct 7 ms 5800 KB Output is correct
13 Correct 7 ms 5800 KB Output is correct
14 Correct 6 ms 5800 KB Output is correct
15 Correct 6 ms 5800 KB Output is correct
16 Correct 8 ms 5800 KB Output is correct
17 Correct 10 ms 5800 KB Output is correct
18 Correct 8 ms 5828 KB Output is correct
19 Correct 381 ms 25340 KB Output is correct
20 Correct 607 ms 26980 KB Output is correct
21 Correct 515 ms 28904 KB Output is correct
22 Correct 423 ms 35900 KB Output is correct
23 Correct 95 ms 35900 KB Output is correct
24 Correct 74 ms 35900 KB Output is correct
25 Correct 809 ms 35900 KB Output is correct
26 Correct 388 ms 35900 KB Output is correct
27 Correct 482 ms 44628 KB Output is correct
28 Correct 206 ms 44628 KB Output is correct
29 Correct 175 ms 44628 KB Output is correct
30 Correct 451 ms 44672 KB Output is correct
31 Correct 457 ms 44672 KB Output is correct
32 Correct 220 ms 46592 KB Output is correct
33 Execution timed out 3042 ms 46592 KB Time limit exceeded
34 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 7 ms 5240 KB Output is correct
2 Correct 6 ms 5360 KB Output is correct
3 Correct 6 ms 5360 KB Output is correct
4 Correct 6 ms 5360 KB Output is correct
5 Correct 7 ms 5360 KB Output is correct
6 Correct 6 ms 5532 KB Output is correct
7 Correct 6 ms 5592 KB Output is correct
8 Correct 6 ms 5620 KB Output is correct
9 Correct 6 ms 5768 KB Output is correct
10 Correct 7 ms 5768 KB Output is correct
11 Correct 6 ms 5768 KB Output is correct
12 Correct 7 ms 5800 KB Output is correct
13 Correct 7 ms 5800 KB Output is correct
14 Correct 6 ms 5800 KB Output is correct
15 Correct 6 ms 5800 KB Output is correct
16 Correct 8 ms 5800 KB Output is correct
17 Correct 10 ms 5800 KB Output is correct
18 Correct 8 ms 5828 KB Output is correct
19 Correct 8 ms 5828 KB Output is correct
20 Correct 9 ms 5828 KB Output is correct
21 Correct 26 ms 7632 KB Output is correct
22 Correct 7 ms 7632 KB Output is correct
23 Correct 10 ms 7632 KB Output is correct
24 Correct 10 ms 7632 KB Output is correct
25 Correct 42 ms 7632 KB Output is correct
26 Correct 8 ms 7632 KB Output is correct
27 Correct 7 ms 7632 KB Output is correct
28 Correct 10 ms 7632 KB Output is correct
29 Correct 16 ms 7632 KB Output is correct
30 Correct 13 ms 7632 KB Output is correct
31 Correct 22 ms 7632 KB Output is correct
32 Correct 21 ms 7632 KB Output is correct
33 Correct 20 ms 7632 KB Output is correct
34 Correct 10 ms 7632 KB Output is correct
35 Correct 10 ms 7632 KB Output is correct
36 Correct 7 ms 7632 KB Output is correct
37 Correct 15 ms 7632 KB Output is correct
38 Correct 17 ms 7632 KB Output is correct
39 Correct 381 ms 25340 KB Output is correct
40 Correct 607 ms 26980 KB Output is correct
41 Correct 515 ms 28904 KB Output is correct
42 Correct 423 ms 35900 KB Output is correct
43 Correct 95 ms 35900 KB Output is correct
44 Correct 74 ms 35900 KB Output is correct
45 Correct 809 ms 35900 KB Output is correct
46 Correct 388 ms 35900 KB Output is correct
47 Correct 482 ms 44628 KB Output is correct
48 Correct 206 ms 44628 KB Output is correct
49 Correct 175 ms 44628 KB Output is correct
50 Correct 451 ms 44672 KB Output is correct
51 Correct 457 ms 44672 KB Output is correct
52 Correct 220 ms 46592 KB Output is correct
53 Execution timed out 3042 ms 46592 KB Time limit exceeded
54 Halted 0 ms 0 KB -