| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1005746 |
2024-06-23T02:09:56 Z |
thinknoexit |
Race (IOI11_race) |
C++17 |
|
277 ms |
109136 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 200200;
vector<pair<int, int>> adj[N];
set<pair<ll, int>> s[N];
int ans = 1e9, K;
void dfs(int v, int p, ll val, int c) {
s[v].insert({ val,c });
for (auto& x : adj[v]) {
if (x.first == p) continue;
dfs(x.first, v, val + x.second, c + 1);
if (s[x.first].size() > s[v].size()) swap(s[x.first], s[v]);
for (auto& y : s[x.first]) {
auto it = s[v].lower_bound({ K + 2 * val - y.first,0 });
if (it == s[v].end()) continue;
if (it->first == K + 2 * val - y.first) ans = min(ans, it->second + y.second - 2 * c);
}
for (auto& y : s[x.first]) {
s[v].insert(y);
}
}
}
int best_path(int n, int k, int h[][2], int l[]) {
for (int i = 0;i < n - 1;i++) {
adj[h[i][0] + 1].push_back({ h[i][1] + 1, l[i] });
adj[h[i][1] + 1].push_back({ h[i][0] + 1, l[i] });
}
K = k;
dfs(1, 0, 0, 0);
if (ans == 1e9) return -1;
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 14 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
18012 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 14 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 20 |
Correct |
3 ms |
18172 KB |
Output is correct |
| 21 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
4 ms |
18520 KB |
Output is correct |
| 25 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
3 ms |
18468 KB |
Output is correct |
| 30 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 32 |
Correct |
4 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 34 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
3 ms |
18264 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 14 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
95 ms |
44624 KB |
Output is correct |
| 20 |
Correct |
103 ms |
45396 KB |
Output is correct |
| 21 |
Correct |
96 ms |
44368 KB |
Output is correct |
| 22 |
Correct |
88 ms |
43680 KB |
Output is correct |
| 23 |
Correct |
115 ms |
58192 KB |
Output is correct |
| 24 |
Correct |
77 ms |
44624 KB |
Output is correct |
| 25 |
Correct |
81 ms |
48212 KB |
Output is correct |
| 26 |
Correct |
58 ms |
52304 KB |
Output is correct |
| 27 |
Correct |
124 ms |
51536 KB |
Output is correct |
| 28 |
Correct |
163 ms |
84560 KB |
Output is correct |
| 29 |
Correct |
163 ms |
83540 KB |
Output is correct |
| 30 |
Correct |
131 ms |
52180 KB |
Output is correct |
| 31 |
Correct |
134 ms |
52132 KB |
Output is correct |
| 32 |
Correct |
147 ms |
52052 KB |
Output is correct |
| 33 |
Correct |
121 ms |
54008 KB |
Output is correct |
| 34 |
Correct |
201 ms |
86384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 2 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 3 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 4 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 5 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 6 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 7 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 8 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 9 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 10 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 11 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 12 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 13 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 14 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 15 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 16 |
Correct |
2 ms |
18012 KB |
Output is correct |
| 17 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 18 |
Correct |
3 ms |
18012 KB |
Output is correct |
| 19 |
Correct |
3 ms |
18008 KB |
Output is correct |
| 20 |
Correct |
3 ms |
18172 KB |
Output is correct |
| 21 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 22 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 23 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 24 |
Correct |
4 ms |
18520 KB |
Output is correct |
| 25 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 26 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 27 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 28 |
Correct |
4 ms |
18268 KB |
Output is correct |
| 29 |
Correct |
3 ms |
18468 KB |
Output is correct |
| 30 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 31 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 32 |
Correct |
4 ms |
18264 KB |
Output is correct |
| 33 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 34 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 35 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 36 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 37 |
Correct |
3 ms |
18268 KB |
Output is correct |
| 38 |
Correct |
3 ms |
18264 KB |
Output is correct |
| 39 |
Correct |
95 ms |
44624 KB |
Output is correct |
| 40 |
Correct |
103 ms |
45396 KB |
Output is correct |
| 41 |
Correct |
96 ms |
44368 KB |
Output is correct |
| 42 |
Correct |
88 ms |
43680 KB |
Output is correct |
| 43 |
Correct |
115 ms |
58192 KB |
Output is correct |
| 44 |
Correct |
77 ms |
44624 KB |
Output is correct |
| 45 |
Correct |
81 ms |
48212 KB |
Output is correct |
| 46 |
Correct |
58 ms |
52304 KB |
Output is correct |
| 47 |
Correct |
124 ms |
51536 KB |
Output is correct |
| 48 |
Correct |
163 ms |
84560 KB |
Output is correct |
| 49 |
Correct |
163 ms |
83540 KB |
Output is correct |
| 50 |
Correct |
131 ms |
52180 KB |
Output is correct |
| 51 |
Correct |
134 ms |
52132 KB |
Output is correct |
| 52 |
Correct |
147 ms |
52052 KB |
Output is correct |
| 53 |
Correct |
121 ms |
54008 KB |
Output is correct |
| 54 |
Correct |
201 ms |
86384 KB |
Output is correct |
| 55 |
Correct |
11 ms |
21340 KB |
Output is correct |
| 56 |
Correct |
8 ms |
20060 KB |
Output is correct |
| 57 |
Correct |
49 ms |
39248 KB |
Output is correct |
| 58 |
Correct |
33 ms |
31440 KB |
Output is correct |
| 59 |
Correct |
55 ms |
52560 KB |
Output is correct |
| 60 |
Correct |
155 ms |
83744 KB |
Output is correct |
| 61 |
Correct |
145 ms |
57172 KB |
Output is correct |
| 62 |
Correct |
122 ms |
52212 KB |
Output is correct |
| 63 |
Correct |
160 ms |
52052 KB |
Output is correct |
| 64 |
Correct |
277 ms |
109136 KB |
Output is correct |
| 65 |
Correct |
262 ms |
102736 KB |
Output is correct |
| 66 |
Correct |
177 ms |
78416 KB |
Output is correct |
| 67 |
Correct |
92 ms |
44292 KB |
Output is correct |
| 68 |
Correct |
220 ms |
67152 KB |
Output is correct |
| 69 |
Correct |
252 ms |
70740 KB |
Output is correct |
| 70 |
Correct |
204 ms |
65872 KB |
Output is correct |
