| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 373952 |
2021-03-06T09:27:18 Z |
duchung |
Race (IOI11_race) |
C++17 |
|
522 ms |
89708 KB |
#define ii pair<int , int>
#include <race.h>
#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int _k , ans = 1e9;
int dist[N] , depth[N];
vector<ii> adj[N];
set<ii> S[N];
void dfs(int u , int p = -1)
{
S[u].insert(make_pair(dist[u] , depth[u]));
for (auto e : adj[u])
{
int v = e.first;
int w = e.second;
if (v == p) continue;
dist[v] = dist[u] + w;
depth[v] = depth[u] + 1;
dfs(v , u);
if (S[u].size() < S[v].size()) swap(S[u] , S[v]);
for (auto x : S[v])
{
auto it = S[u].lower_bound(make_pair(_k - x.first + 2 * dist[u] , 0));
if (it != S[u].end() && it->first + x.first - 2 * dist[u] == _k) ans = min(ans , it->second + x.second - 2 * depth[u]);
}
for (auto x : S[v])
{
S[u].insert(x);
}
}
}
int best_path(int n, int k, int H[][2], int L[]) {
_k = k;
for (int i = 0; i < n - 1; i++) {
++H[i][0] , ++H[i][1];
adj[H[i][0]].push_back(make_pair(H[i][1], L[i]));
adj[H[i][1]].push_back(make_pair(H[i][0], L[i]));
}
dfs(1);
return (ans == 1e9 ? -1 : ans);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 2 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 3 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 4 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 5 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 7 |
Correct |
10 ms |
14488 KB |
Output is correct |
| 8 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 9 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 11 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 12 |
Correct |
10 ms |
14588 KB |
Output is correct |
| 13 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 14 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 15 |
Correct |
11 ms |
14476 KB |
Output is correct |
| 16 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 17 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14444 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 2 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 3 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 4 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 5 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 7 |
Correct |
10 ms |
14488 KB |
Output is correct |
| 8 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 9 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 11 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 12 |
Correct |
10 ms |
14588 KB |
Output is correct |
| 13 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 14 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 15 |
Correct |
11 ms |
14476 KB |
Output is correct |
| 16 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 17 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 19 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 20 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 21 |
Correct |
13 ms |
14700 KB |
Output is correct |
| 22 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 23 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 24 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 25 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 26 |
Correct |
13 ms |
14700 KB |
Output is correct |
| 27 |
Correct |
11 ms |
14572 KB |
Output is correct |
| 28 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 29 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 30 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 31 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 32 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 33 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 34 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 35 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 36 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 37 |
Correct |
12 ms |
14572 KB |
Output is correct |
| 38 |
Correct |
13 ms |
14700 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 2 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 3 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 4 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 5 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 7 |
Correct |
10 ms |
14488 KB |
Output is correct |
| 8 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 9 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 11 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 12 |
Correct |
10 ms |
14588 KB |
Output is correct |
| 13 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 14 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 15 |
Correct |
11 ms |
14476 KB |
Output is correct |
| 16 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 17 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 19 |
Correct |
185 ms |
36844 KB |
Output is correct |
| 20 |
Correct |
206 ms |
36840 KB |
Output is correct |
| 21 |
Correct |
187 ms |
36332 KB |
Output is correct |
| 22 |
Correct |
181 ms |
35308 KB |
Output is correct |
| 23 |
Correct |
202 ms |
46188 KB |
Output is correct |
| 24 |
Correct |
179 ms |
36076 KB |
Output is correct |
| 25 |
Correct |
173 ms |
40736 KB |
Output is correct |
| 26 |
Correct |
119 ms |
45932 KB |
Output is correct |
| 27 |
Correct |
252 ms |
45420 KB |
Output is correct |
| 28 |
Correct |
326 ms |
77676 KB |
Output is correct |
| 29 |
Correct |
350 ms |
76140 KB |
Output is correct |
| 30 |
Correct |
251 ms |
45548 KB |
Output is correct |
| 31 |
Correct |
279 ms |
45548 KB |
Output is correct |
| 32 |
Correct |
364 ms |
45784 KB |
Output is correct |
| 33 |
Correct |
297 ms |
46880 KB |
Output is correct |
| 34 |
Correct |
389 ms |
71532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 2 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 3 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 4 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 5 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 6 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 7 |
Correct |
10 ms |
14488 KB |
Output is correct |
| 8 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 9 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 11 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 12 |
Correct |
10 ms |
14588 KB |
Output is correct |
| 13 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 14 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 15 |
Correct |
11 ms |
14476 KB |
Output is correct |
| 16 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 17 |
Correct |
11 ms |
14444 KB |
Output is correct |
| 18 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 19 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 20 |
Correct |
10 ms |
14444 KB |
Output is correct |
| 21 |
Correct |
13 ms |
14700 KB |
Output is correct |
| 22 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 23 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 24 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 25 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 26 |
Correct |
13 ms |
14700 KB |
Output is correct |
| 27 |
Correct |
11 ms |
14572 KB |
Output is correct |
| 28 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 29 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 30 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 31 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 32 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 33 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 34 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 35 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 36 |
Correct |
11 ms |
14700 KB |
Output is correct |
| 37 |
Correct |
12 ms |
14572 KB |
Output is correct |
| 38 |
Correct |
13 ms |
14700 KB |
Output is correct |
| 39 |
Correct |
185 ms |
36844 KB |
Output is correct |
| 40 |
Correct |
206 ms |
36840 KB |
Output is correct |
| 41 |
Correct |
187 ms |
36332 KB |
Output is correct |
| 42 |
Correct |
181 ms |
35308 KB |
Output is correct |
| 43 |
Correct |
202 ms |
46188 KB |
Output is correct |
| 44 |
Correct |
179 ms |
36076 KB |
Output is correct |
| 45 |
Correct |
173 ms |
40736 KB |
Output is correct |
| 46 |
Correct |
119 ms |
45932 KB |
Output is correct |
| 47 |
Correct |
252 ms |
45420 KB |
Output is correct |
| 48 |
Correct |
326 ms |
77676 KB |
Output is correct |
| 49 |
Correct |
350 ms |
76140 KB |
Output is correct |
| 50 |
Correct |
251 ms |
45548 KB |
Output is correct |
| 51 |
Correct |
279 ms |
45548 KB |
Output is correct |
| 52 |
Correct |
364 ms |
45784 KB |
Output is correct |
| 53 |
Correct |
297 ms |
46880 KB |
Output is correct |
| 54 |
Correct |
389 ms |
71532 KB |
Output is correct |
| 55 |
Correct |
25 ms |
17132 KB |
Output is correct |
| 56 |
Correct |
26 ms |
16236 KB |
Output is correct |
| 57 |
Correct |
121 ms |
33024 KB |
Output is correct |
| 58 |
Correct |
63 ms |
26136 KB |
Output is correct |
| 59 |
Correct |
121 ms |
45920 KB |
Output is correct |
| 60 |
Correct |
362 ms |
76664 KB |
Output is correct |
| 61 |
Correct |
293 ms |
50028 KB |
Output is correct |
| 62 |
Correct |
254 ms |
45548 KB |
Output is correct |
| 63 |
Correct |
418 ms |
45580 KB |
Output is correct |
| 64 |
Correct |
522 ms |
89708 KB |
Output is correct |
| 65 |
Correct |
518 ms |
83564 KB |
Output is correct |
| 66 |
Correct |
355 ms |
72812 KB |
Output is correct |
| 67 |
Correct |
252 ms |
39228 KB |
Output is correct |
| 68 |
Correct |
465 ms |
57324 KB |
Output is correct |
| 69 |
Correct |
503 ms |
61716 KB |
Output is correct |
| 70 |
Correct |
462 ms |
55800 KB |
Output is correct |
