| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1090127 |
2024-09-17T18:32:25 Z |
LilPluton |
Race (IOI11_race) |
C++14 |
|
386 ms |
86128 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
const int sz = 2e5 + 5;
int n, k;
vector<vector<pair<int, int>>> adj(sz);
map<int, int> a[sz];
long long sum[sz], dep[sz], res;
void comp(int u, int p, long long c, int h) {
a[u][c] = h;
sum[u] = c;
dep[u] = h;
for (auto n : adj[u]) {
if (p == n.first) { continue; }
comp(n.first, u, c + n.second, h + 1);
}
}
void dfs(int u, int p) {
long long target = k + 2 * sum[u];
for (auto n : adj[u]) {
if (n.first == p) { continue; }
dfs(n.first, u);
if (a[n.first].size() > a[u].size()) { swap(a[n.first], a[u]); }
for (auto i : a[n.first]) {
if (a[u].find(target - i.first) != a[u].end()) {
res = min(res, a[u][target - i.first] + i.second - 2 * dep[u]);
}
}
for (auto i : a[n.first]) {
if (a[u].find(i.first) == a[u].end()) {
a[u].insert(i);
} else {
a[u][i.first] = min(a[u][i.first], i.second);
}
}
}
}
int best_path(int N, int K, int H[][2], int L[]) {
if (k == 1) { return 0; }
n = N;
k = K;
res = INT_MAX;
for (int i = 0; i < n - 1; i++) {
int u = H[i][0];
int v = H[i][1];
adj[u].push_back(pair<int,int> (v, L[i]));
adj[v].push_back(pair<int,int> (u, L[i]));
}
comp(0, -1, 0, 0);
dfs(0, -1);
return res == INT_MAX ? -1 : res;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14556 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
6 ms |
14392 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
6 ms |
14552 KB |
Output is correct |
| 11 |
Correct |
6 ms |
14424 KB |
Output is correct |
| 12 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14456 KB |
Output is correct |
| 14 |
Correct |
6 ms |
14432 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14480 KB |
Output is correct |
| 16 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 17 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14432 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14556 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
6 ms |
14392 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
6 ms |
14552 KB |
Output is correct |
| 11 |
Correct |
6 ms |
14424 KB |
Output is correct |
| 12 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14456 KB |
Output is correct |
| 14 |
Correct |
6 ms |
14432 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14480 KB |
Output is correct |
| 16 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 17 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14432 KB |
Output is correct |
| 19 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14424 KB |
Output is correct |
| 21 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14808 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14740 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14572 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14684 KB |
Output is correct |
| 26 |
Correct |
10 ms |
15012 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14576 KB |
Output is correct |
| 28 |
Correct |
8 ms |
14760 KB |
Output is correct |
| 29 |
Correct |
7 ms |
14684 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14656 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14688 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14812 KB |
Output is correct |
| 33 |
Correct |
11 ms |
14684 KB |
Output is correct |
| 34 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 35 |
Correct |
7 ms |
14684 KB |
Output is correct |
| 36 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 37 |
Correct |
7 ms |
14692 KB |
Output is correct |
| 38 |
Correct |
7 ms |
14696 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14556 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
6 ms |
14392 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
6 ms |
14552 KB |
Output is correct |
| 11 |
Correct |
6 ms |
14424 KB |
Output is correct |
| 12 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14456 KB |
Output is correct |
| 14 |
Correct |
6 ms |
14432 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14480 KB |
Output is correct |
| 16 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 17 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14432 KB |
Output is correct |
| 19 |
Correct |
122 ms |
33880 KB |
Output is correct |
| 20 |
Correct |
107 ms |
33948 KB |
Output is correct |
| 21 |
Correct |
111 ms |
33624 KB |
Output is correct |
| 22 |
Correct |
97 ms |
33384 KB |
Output is correct |
| 23 |
Correct |
124 ms |
43156 KB |
Output is correct |
| 24 |
Correct |
91 ms |
35920 KB |
Output is correct |
| 25 |
Correct |
93 ms |
35152 KB |
Output is correct |
| 26 |
Correct |
48 ms |
42064 KB |
Output is correct |
| 27 |
Correct |
157 ms |
44624 KB |
Output is correct |
| 28 |
Correct |
226 ms |
79148 KB |
Output is correct |
| 29 |
Correct |
224 ms |
77712 KB |
Output is correct |
| 30 |
Correct |
152 ms |
44652 KB |
Output is correct |
| 31 |
Correct |
172 ms |
44740 KB |
Output is correct |
| 32 |
Correct |
255 ms |
44924 KB |
Output is correct |
| 33 |
Correct |
197 ms |
48012 KB |
Output is correct |
| 34 |
Correct |
282 ms |
73080 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14556 KB |
Output is correct |
| 3 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 4 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 5 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14368 KB |
Output is correct |
| 7 |
Correct |
6 ms |
14392 KB |
Output is correct |
| 8 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 9 |
Correct |
8 ms |
14428 KB |
Output is correct |
| 10 |
Correct |
6 ms |
14552 KB |
Output is correct |
| 11 |
Correct |
6 ms |
14424 KB |
Output is correct |
| 12 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 13 |
Correct |
7 ms |
14456 KB |
Output is correct |
| 14 |
Correct |
6 ms |
14432 KB |
Output is correct |
| 15 |
Correct |
8 ms |
14480 KB |
Output is correct |
| 16 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 17 |
Correct |
6 ms |
14428 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14432 KB |
Output is correct |
| 19 |
Correct |
7 ms |
14428 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14424 KB |
Output is correct |
| 21 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14808 KB |
Output is correct |
| 23 |
Correct |
8 ms |
14740 KB |
Output is correct |
| 24 |
Correct |
8 ms |
14572 KB |
Output is correct |
| 25 |
Correct |
9 ms |
14684 KB |
Output is correct |
| 26 |
Correct |
10 ms |
15012 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14576 KB |
Output is correct |
| 28 |
Correct |
8 ms |
14760 KB |
Output is correct |
| 29 |
Correct |
7 ms |
14684 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14656 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14688 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14812 KB |
Output is correct |
| 33 |
Correct |
11 ms |
14684 KB |
Output is correct |
| 34 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 35 |
Correct |
7 ms |
14684 KB |
Output is correct |
| 36 |
Correct |
7 ms |
14688 KB |
Output is correct |
| 37 |
Correct |
7 ms |
14692 KB |
Output is correct |
| 38 |
Correct |
7 ms |
14696 KB |
Output is correct |
| 39 |
Correct |
122 ms |
33880 KB |
Output is correct |
| 40 |
Correct |
107 ms |
33948 KB |
Output is correct |
| 41 |
Correct |
111 ms |
33624 KB |
Output is correct |
| 42 |
Correct |
97 ms |
33384 KB |
Output is correct |
| 43 |
Correct |
124 ms |
43156 KB |
Output is correct |
| 44 |
Correct |
91 ms |
35920 KB |
Output is correct |
| 45 |
Correct |
93 ms |
35152 KB |
Output is correct |
| 46 |
Correct |
48 ms |
42064 KB |
Output is correct |
| 47 |
Correct |
157 ms |
44624 KB |
Output is correct |
| 48 |
Correct |
226 ms |
79148 KB |
Output is correct |
| 49 |
Correct |
224 ms |
77712 KB |
Output is correct |
| 50 |
Correct |
152 ms |
44652 KB |
Output is correct |
| 51 |
Correct |
172 ms |
44740 KB |
Output is correct |
| 52 |
Correct |
255 ms |
44924 KB |
Output is correct |
| 53 |
Correct |
197 ms |
48012 KB |
Output is correct |
| 54 |
Correct |
282 ms |
73080 KB |
Output is correct |
| 55 |
Correct |
18 ms |
17104 KB |
Output is correct |
| 56 |
Correct |
12 ms |
16216 KB |
Output is correct |
| 57 |
Correct |
50 ms |
31876 KB |
Output is correct |
| 58 |
Correct |
47 ms |
26820 KB |
Output is correct |
| 59 |
Correct |
102 ms |
46928 KB |
Output is correct |
| 60 |
Correct |
235 ms |
77936 KB |
Output is correct |
| 61 |
Correct |
189 ms |
47388 KB |
Output is correct |
| 62 |
Correct |
156 ms |
44788 KB |
Output is correct |
| 63 |
Correct |
269 ms |
44884 KB |
Output is correct |
| 64 |
Correct |
386 ms |
86128 KB |
Output is correct |
| 65 |
Correct |
351 ms |
84964 KB |
Output is correct |
| 66 |
Correct |
234 ms |
74092 KB |
Output is correct |
| 67 |
Correct |
156 ms |
40644 KB |
Output is correct |
| 68 |
Correct |
269 ms |
57680 KB |
Output is correct |
| 69 |
Correct |
343 ms |
61360 KB |
Output is correct |
| 70 |
Correct |
268 ms |
55888 KB |
Output is correct |
