| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 659861 |
2022-11-19T14:24:15 Z |
Trisanu_Das |
Race (IOI11_race) |
C++17 |
|
419 ms |
88012 KB |
#include <bits/stdc++.h>
using namespace std;
int K, ans = INT_MAX; vector<pair<int, int>> adj[200005]; set<pair<int, int>> S[200005];
void dfs(int u, int p, int dis, int dep){
S[u].insert({dis, dep});
for (auto v : adj[u]) if (v.first != p){
dfs(v.first, u, dis + v.second, dep + 1);
if (S[u].size() < S[v.first].size()) swap(S[u], S[v.first]);
for (auto d : S[v.first]){
int other = K + 2 * dis - d.first; auto x = S[u].lower_bound({other, -1});
if (x != S[u].end() and (*x).first == other) ans = min(ans, d.second + (*x).second - 2 * dep);
}for (auto d : S[v.first]) S[u].insert(d);
}
}
int best_path(int n, int k, int h[][2], int l[]){
for (int i = 0; i < n - 1; i++){
adj[h[i][0]].push_back({h[i][1], l[i]});
adj[h[i][1]].push_back({h[i][0], l[i]});
}K = k; dfs(0, 0, 0, 0); return (ans == INT_MAX) ? -1 : ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14440 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14440 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14312 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14440 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14440 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14312 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14292 KB |
Output is correct |
| 20 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 21 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14664 KB |
Output is correct |
| 23 |
Correct |
10 ms |
14644 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 25 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 26 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14604 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14668 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14536 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 38 |
Correct |
9 ms |
14532 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14440 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14440 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14312 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
150 ms |
35888 KB |
Output is correct |
| 20 |
Correct |
126 ms |
35900 KB |
Output is correct |
| 21 |
Correct |
143 ms |
35404 KB |
Output is correct |
| 22 |
Correct |
124 ms |
34356 KB |
Output is correct |
| 23 |
Correct |
167 ms |
45184 KB |
Output is correct |
| 24 |
Correct |
142 ms |
35264 KB |
Output is correct |
| 25 |
Correct |
118 ms |
38976 KB |
Output is correct |
| 26 |
Correct |
79 ms |
43424 KB |
Output is correct |
| 27 |
Correct |
203 ms |
43792 KB |
Output is correct |
| 28 |
Correct |
279 ms |
73068 KB |
Output is correct |
| 29 |
Correct |
255 ms |
71620 KB |
Output is correct |
| 30 |
Correct |
217 ms |
43848 KB |
Output is correct |
| 31 |
Correct |
268 ms |
43760 KB |
Output is correct |
| 32 |
Correct |
261 ms |
43964 KB |
Output is correct |
| 33 |
Correct |
224 ms |
45072 KB |
Output is correct |
| 34 |
Correct |
327 ms |
69848 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
14380 KB |
Output is correct |
| 2 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14396 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14440 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 6 |
Correct |
9 ms |
14440 KB |
Output is correct |
| 7 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
9 ms |
14400 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14404 KB |
Output is correct |
| 10 |
Correct |
10 ms |
14420 KB |
Output is correct |
| 11 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14312 KB |
Output is correct |
| 14 |
Correct |
8 ms |
14400 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 16 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 18 |
Correct |
9 ms |
14420 KB |
Output is correct |
| 19 |
Correct |
9 ms |
14292 KB |
Output is correct |
| 20 |
Correct |
8 ms |
14420 KB |
Output is correct |
| 21 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14664 KB |
Output is correct |
| 23 |
Correct |
10 ms |
14644 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 25 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 26 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 27 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 29 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 30 |
Correct |
9 ms |
14604 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 33 |
Correct |
9 ms |
14668 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14548 KB |
Output is correct |
| 35 |
Correct |
9 ms |
14536 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 38 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 39 |
Correct |
150 ms |
35888 KB |
Output is correct |
| 40 |
Correct |
126 ms |
35900 KB |
Output is correct |
| 41 |
Correct |
143 ms |
35404 KB |
Output is correct |
| 42 |
Correct |
124 ms |
34356 KB |
Output is correct |
| 43 |
Correct |
167 ms |
45184 KB |
Output is correct |
| 44 |
Correct |
142 ms |
35264 KB |
Output is correct |
| 45 |
Correct |
118 ms |
38976 KB |
Output is correct |
| 46 |
Correct |
79 ms |
43424 KB |
Output is correct |
| 47 |
Correct |
203 ms |
43792 KB |
Output is correct |
| 48 |
Correct |
279 ms |
73068 KB |
Output is correct |
| 49 |
Correct |
255 ms |
71620 KB |
Output is correct |
| 50 |
Correct |
217 ms |
43848 KB |
Output is correct |
| 51 |
Correct |
268 ms |
43760 KB |
Output is correct |
| 52 |
Correct |
261 ms |
43964 KB |
Output is correct |
| 53 |
Correct |
224 ms |
45072 KB |
Output is correct |
| 54 |
Correct |
327 ms |
69848 KB |
Output is correct |
| 55 |
Correct |
20 ms |
16972 KB |
Output is correct |
| 56 |
Correct |
16 ms |
16084 KB |
Output is correct |
| 57 |
Correct |
88 ms |
31880 KB |
Output is correct |
| 58 |
Correct |
47 ms |
25136 KB |
Output is correct |
| 59 |
Correct |
72 ms |
43492 KB |
Output is correct |
| 60 |
Correct |
230 ms |
71888 KB |
Output is correct |
| 61 |
Correct |
216 ms |
48220 KB |
Output is correct |
| 62 |
Correct |
220 ms |
43980 KB |
Output is correct |
| 63 |
Correct |
249 ms |
43980 KB |
Output is correct |
| 64 |
Correct |
394 ms |
88012 KB |
Output is correct |
| 65 |
Correct |
419 ms |
81908 KB |
Output is correct |
| 66 |
Correct |
258 ms |
68756 KB |
Output is correct |
| 67 |
Correct |
151 ms |
37680 KB |
Output is correct |
| 68 |
Correct |
359 ms |
55772 KB |
Output is correct |
| 69 |
Correct |
336 ms |
60020 KB |
Output is correct |
| 70 |
Correct |
293 ms |
54048 KB |
Output is correct |
