| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1100485 |
2024-10-14T04:59:42 Z |
sssamui |
Race (IOI11_race) |
C++17 |
|
393 ms |
108668 KB |
#include <iostream>
#include <cstdio>
#include <vector>
#include <cmath>
#include <map>
#include <algorithm>
using namespace std;
using ll = long long;
const int MXN = 2e5;
vector<vector<pair<int, ll>>> adj(MXN, vector<pair<int, ll>>(0));
vector<int> dep(MXN, 0);
vector<ll> dtr(MXN, 0);
vector<map<ll, int>> tmerg(MXN);
int ans = MXN;
int k;
void dfs(int node = 0, int p = -1)
{
tmerg[node][dtr[node]] = dep[node];
for (pair<int, ll> nxt : adj[node]) if (nxt.first != p)
{
dep[nxt.first] = dep[node] + 1, dtr[nxt.first] = dtr[node] + nxt.second;
dfs(nxt.first, node);
if (tmerg[node].size() < tmerg[nxt.first].size()) swap(tmerg[node], tmerg[nxt.first]);
for (pair<ll, int> tins : tmerg[nxt.first]) if (tmerg[node].count(k - tins.first + 2 * dtr[node]) == 1) ans = fmin(ans, tins.second - 2 *
dep[node] + tmerg[node][k - tins.first + 2 * dtr[node]]);
for (pair<ll, int> tins : tmerg[nxt.first]) if ((tmerg[node].count(tins.first) == 0) || (tmerg[node][tins.first] > tins.second))
tmerg[node][tins.first] = tins.second;
}
}
int best_path(int N, int K, int H[][2], int L[])
{
k = K;
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] });
dfs();
if (ans == MXN) return -1;
else return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 2 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 3 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18792 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
18972 KB |
Output is correct |
| 7 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 8 |
Correct |
6 ms |
18952 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 10 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18816 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 14 |
Correct |
6 ms |
18784 KB |
Output is correct |
| 15 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18768 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 2 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 3 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18792 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
18972 KB |
Output is correct |
| 7 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 8 |
Correct |
6 ms |
18952 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 10 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18816 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 14 |
Correct |
6 ms |
18784 KB |
Output is correct |
| 15 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 20 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 21 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 22 |
Correct |
6 ms |
19180 KB |
Output is correct |
| 23 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 24 |
Correct |
7 ms |
19192 KB |
Output is correct |
| 25 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 26 |
Correct |
9 ms |
19024 KB |
Output is correct |
| 27 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 28 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 29 |
Correct |
6 ms |
19192 KB |
Output is correct |
| 30 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 31 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 32 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 33 |
Correct |
6 ms |
19192 KB |
Output is correct |
| 34 |
Correct |
7 ms |
19036 KB |
Output is correct |
| 35 |
Correct |
6 ms |
19292 KB |
Output is correct |
| 36 |
Correct |
6 ms |
19036 KB |
Output is correct |
| 37 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 38 |
Correct |
7 ms |
19024 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 2 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 3 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18792 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
18972 KB |
Output is correct |
| 7 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 8 |
Correct |
6 ms |
18952 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 10 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18816 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 14 |
Correct |
6 ms |
18784 KB |
Output is correct |
| 15 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 19 |
Correct |
92 ms |
41800 KB |
Output is correct |
| 20 |
Correct |
81 ms |
42980 KB |
Output is correct |
| 21 |
Correct |
93 ms |
42836 KB |
Output is correct |
| 22 |
Correct |
88 ms |
42324 KB |
Output is correct |
| 23 |
Correct |
129 ms |
55396 KB |
Output is correct |
| 24 |
Correct |
91 ms |
45396 KB |
Output is correct |
| 25 |
Correct |
94 ms |
44760 KB |
Output is correct |
| 26 |
Correct |
61 ms |
53576 KB |
Output is correct |
| 27 |
Correct |
140 ms |
53808 KB |
Output is correct |
| 28 |
Correct |
237 ms |
99224 KB |
Output is correct |
| 29 |
Correct |
249 ms |
97052 KB |
Output is correct |
| 30 |
Correct |
147 ms |
53844 KB |
Output is correct |
| 31 |
Correct |
133 ms |
53840 KB |
Output is correct |
| 32 |
Correct |
169 ms |
54096 KB |
Output is correct |
| 33 |
Correct |
150 ms |
58768 KB |
Output is correct |
| 34 |
Correct |
256 ms |
91548 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 2 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 3 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 4 |
Correct |
6 ms |
18792 KB |
Output is correct |
| 5 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 6 |
Correct |
6 ms |
18972 KB |
Output is correct |
| 7 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 8 |
Correct |
6 ms |
18952 KB |
Output is correct |
| 9 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 10 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 11 |
Correct |
6 ms |
18816 KB |
Output is correct |
| 12 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 13 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 14 |
Correct |
6 ms |
18784 KB |
Output is correct |
| 15 |
Correct |
5 ms |
18780 KB |
Output is correct |
| 16 |
Correct |
6 ms |
18780 KB |
Output is correct |
| 17 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 18 |
Correct |
6 ms |
18768 KB |
Output is correct |
| 19 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 20 |
Correct |
5 ms |
18768 KB |
Output is correct |
| 21 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 22 |
Correct |
6 ms |
19180 KB |
Output is correct |
| 23 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 24 |
Correct |
7 ms |
19192 KB |
Output is correct |
| 25 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 26 |
Correct |
9 ms |
19024 KB |
Output is correct |
| 27 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 28 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 29 |
Correct |
6 ms |
19192 KB |
Output is correct |
| 30 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 31 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 32 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 33 |
Correct |
6 ms |
19192 KB |
Output is correct |
| 34 |
Correct |
7 ms |
19036 KB |
Output is correct |
| 35 |
Correct |
6 ms |
19292 KB |
Output is correct |
| 36 |
Correct |
6 ms |
19036 KB |
Output is correct |
| 37 |
Correct |
6 ms |
19024 KB |
Output is correct |
| 38 |
Correct |
7 ms |
19024 KB |
Output is correct |
| 39 |
Correct |
92 ms |
41800 KB |
Output is correct |
| 40 |
Correct |
81 ms |
42980 KB |
Output is correct |
| 41 |
Correct |
93 ms |
42836 KB |
Output is correct |
| 42 |
Correct |
88 ms |
42324 KB |
Output is correct |
| 43 |
Correct |
129 ms |
55396 KB |
Output is correct |
| 44 |
Correct |
91 ms |
45396 KB |
Output is correct |
| 45 |
Correct |
94 ms |
44760 KB |
Output is correct |
| 46 |
Correct |
61 ms |
53576 KB |
Output is correct |
| 47 |
Correct |
140 ms |
53808 KB |
Output is correct |
| 48 |
Correct |
237 ms |
99224 KB |
Output is correct |
| 49 |
Correct |
249 ms |
97052 KB |
Output is correct |
| 50 |
Correct |
147 ms |
53844 KB |
Output is correct |
| 51 |
Correct |
133 ms |
53840 KB |
Output is correct |
| 52 |
Correct |
169 ms |
54096 KB |
Output is correct |
| 53 |
Correct |
150 ms |
58768 KB |
Output is correct |
| 54 |
Correct |
256 ms |
91548 KB |
Output is correct |
| 55 |
Correct |
15 ms |
22096 KB |
Output is correct |
| 56 |
Correct |
11 ms |
20816 KB |
Output is correct |
| 57 |
Correct |
61 ms |
40668 KB |
Output is correct |
| 58 |
Correct |
40 ms |
33464 KB |
Output is correct |
| 59 |
Correct |
92 ms |
59956 KB |
Output is correct |
| 60 |
Correct |
239 ms |
97608 KB |
Output is correct |
| 61 |
Correct |
179 ms |
57424 KB |
Output is correct |
| 62 |
Correct |
140 ms |
53832 KB |
Output is correct |
| 63 |
Correct |
187 ms |
53832 KB |
Output is correct |
| 64 |
Correct |
393 ms |
108668 KB |
Output is correct |
| 65 |
Correct |
368 ms |
106824 KB |
Output is correct |
| 66 |
Correct |
314 ms |
92600 KB |
Output is correct |
| 67 |
Correct |
132 ms |
47608 KB |
Output is correct |
| 68 |
Correct |
277 ms |
70212 KB |
Output is correct |
| 69 |
Correct |
305 ms |
75108 KB |
Output is correct |
| 70 |
Correct |
279 ms |
68092 KB |
Output is correct |
