| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 491728 |
2021-12-04T06:27:57 Z |
Soumya1 |
Race (IOI11_race) |
C++17 |
|
423 ms |
83084 KB |
#include <bits/stdc++.h>
#include "race.h"
using namespace std;
const int mxN = 2e5 + 5;
vector<pair<int, int>> ad[mxN];
map<int, int> mp[mxN];
int ans = 1e9;
void dfs(int u, int p, int k, int d, int h) {
mp[u][d] = h;
for (auto [v, w] : ad[u]) {
if (v == p) continue;
dfs(v, u, k, d + w, h + 1);
if (mp[v].size() > mp[u].size()) {
swap(mp[u], mp[v]);
}
for (auto [i, j] : mp[v]) {
if (k + 2 * d - i >= 0 && mp[u].find(k + 2 * d - i) != mp[u].end()) {
ans = min(ans, mp[u][k + 2 * d - i] + mp[v][i] - 2 * h);
}
}
for (auto [i, j] : mp[v]) {
if (!mp[u][i]) mp[u][i] = j;
else mp[u][i] = min(mp[u][i], j);
}
}
}
int best_path(int N, int K, int H[][2], int L[]) {
for (int i = 0; i < N - 1; i++) {
ad[H[i][0] + 1].push_back({H[i][1] + 1, L[i]});
ad[H[i][1] + 1].push_back({H[i][0] + 1, L[i]});
}
dfs(1, -1, K, 0, 1);
if (ans == 1e9) ans = -1;
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14376 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14424 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14340 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14396 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14412 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14376 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14424 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14340 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14396 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14284 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14516 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 25 |
Correct |
11 ms |
14532 KB |
Output is correct |
| 26 |
Correct |
11 ms |
14540 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 29 |
Correct |
10 ms |
14596 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14536 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14660 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14524 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
8 ms |
14528 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14376 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14424 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14340 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14396 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
112 ms |
32200 KB |
Output is correct |
| 20 |
Correct |
124 ms |
32284 KB |
Output is correct |
| 21 |
Correct |
110 ms |
32096 KB |
Output is correct |
| 22 |
Correct |
122 ms |
31816 KB |
Output is correct |
| 23 |
Correct |
152 ms |
41344 KB |
Output is correct |
| 24 |
Correct |
127 ms |
34440 KB |
Output is correct |
| 25 |
Correct |
89 ms |
34244 KB |
Output is correct |
| 26 |
Correct |
59 ms |
41864 KB |
Output is correct |
| 27 |
Correct |
196 ms |
41468 KB |
Output is correct |
| 28 |
Correct |
264 ms |
79208 KB |
Output is correct |
| 29 |
Correct |
263 ms |
77304 KB |
Output is correct |
| 30 |
Correct |
192 ms |
41540 KB |
Output is correct |
| 31 |
Correct |
184 ms |
41640 KB |
Output is correct |
| 32 |
Correct |
238 ms |
41668 KB |
Output is correct |
| 33 |
Correct |
220 ms |
44940 KB |
Output is correct |
| 34 |
Correct |
315 ms |
69992 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 2 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 3 |
Correct |
7 ms |
14376 KB |
Output is correct |
| 4 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 5 |
Correct |
8 ms |
14424 KB |
Output is correct |
| 6 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 7 |
Correct |
7 ms |
14420 KB |
Output is correct |
| 8 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 9 |
Correct |
7 ms |
14340 KB |
Output is correct |
| 10 |
Correct |
7 ms |
14392 KB |
Output is correct |
| 11 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 12 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 13 |
Correct |
8 ms |
14384 KB |
Output is correct |
| 14 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 15 |
Correct |
7 ms |
14324 KB |
Output is correct |
| 16 |
Correct |
7 ms |
14396 KB |
Output is correct |
| 17 |
Correct |
8 ms |
14412 KB |
Output is correct |
| 18 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 19 |
Correct |
8 ms |
14284 KB |
Output is correct |
| 20 |
Correct |
7 ms |
14412 KB |
Output is correct |
| 21 |
Correct |
8 ms |
14516 KB |
Output is correct |
| 22 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 23 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 24 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 25 |
Correct |
11 ms |
14532 KB |
Output is correct |
| 26 |
Correct |
11 ms |
14540 KB |
Output is correct |
| 27 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 28 |
Correct |
9 ms |
14540 KB |
Output is correct |
| 29 |
Correct |
10 ms |
14596 KB |
Output is correct |
| 30 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 31 |
Correct |
8 ms |
14536 KB |
Output is correct |
| 32 |
Correct |
8 ms |
14540 KB |
Output is correct |
| 33 |
Correct |
8 ms |
14660 KB |
Output is correct |
| 34 |
Correct |
9 ms |
14532 KB |
Output is correct |
| 35 |
Correct |
8 ms |
14524 KB |
Output is correct |
| 36 |
Correct |
8 ms |
14548 KB |
Output is correct |
| 37 |
Correct |
8 ms |
14528 KB |
Output is correct |
| 38 |
Correct |
8 ms |
14588 KB |
Output is correct |
| 39 |
Correct |
112 ms |
32200 KB |
Output is correct |
| 40 |
Correct |
124 ms |
32284 KB |
Output is correct |
| 41 |
Correct |
110 ms |
32096 KB |
Output is correct |
| 42 |
Correct |
122 ms |
31816 KB |
Output is correct |
| 43 |
Correct |
152 ms |
41344 KB |
Output is correct |
| 44 |
Correct |
127 ms |
34440 KB |
Output is correct |
| 45 |
Correct |
89 ms |
34244 KB |
Output is correct |
| 46 |
Correct |
59 ms |
41864 KB |
Output is correct |
| 47 |
Correct |
196 ms |
41468 KB |
Output is correct |
| 48 |
Correct |
264 ms |
79208 KB |
Output is correct |
| 49 |
Correct |
263 ms |
77304 KB |
Output is correct |
| 50 |
Correct |
192 ms |
41540 KB |
Output is correct |
| 51 |
Correct |
184 ms |
41640 KB |
Output is correct |
| 52 |
Correct |
238 ms |
41668 KB |
Output is correct |
| 53 |
Correct |
220 ms |
44940 KB |
Output is correct |
| 54 |
Correct |
315 ms |
69992 KB |
Output is correct |
| 55 |
Correct |
21 ms |
16832 KB |
Output is correct |
| 56 |
Correct |
15 ms |
15948 KB |
Output is correct |
| 57 |
Correct |
75 ms |
30320 KB |
Output is correct |
| 58 |
Correct |
49 ms |
25224 KB |
Output is correct |
| 59 |
Correct |
85 ms |
46552 KB |
Output is correct |
| 60 |
Correct |
268 ms |
77928 KB |
Output is correct |
| 61 |
Correct |
219 ms |
44220 KB |
Output is correct |
| 62 |
Correct |
180 ms |
41580 KB |
Output is correct |
| 63 |
Correct |
232 ms |
41796 KB |
Output is correct |
| 64 |
Correct |
423 ms |
83084 KB |
Output is correct |
| 65 |
Correct |
415 ms |
81840 KB |
Output is correct |
| 66 |
Correct |
276 ms |
73240 KB |
Output is correct |
| 67 |
Correct |
165 ms |
37480 KB |
Output is correct |
| 68 |
Correct |
355 ms |
54644 KB |
Output is correct |
| 69 |
Correct |
366 ms |
58436 KB |
Output is correct |
| 70 |
Correct |
328 ms |
52840 KB |
Output is correct |
