| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 689941 |
2023-01-29T20:21:49 Z |
Patrick |
Race (IOI11_race) |
C++17 |
|
135 ms |
8904 KB |
#include "race.h"
#include <bits/stdc++.h>
using namespace std;
unordered_map<int, int> solve(int N, int K, vector<vector<pair<int, int>>>& es,
int& curmin, int last, int cur) {
// cout << "solve " << cur << "\n";
unordered_map<int, int> ans;
ans.insert({0, 0});
for (auto [next, len] : es[cur]) {
if (next == last) continue;
unordered_map<int, int> a = solve(N, K, es, curmin, cur, next);
for (auto [k, v] : a) {
int search = K - (k + len);
auto it = ans.find(search);
if (it != ans.end()) {
curmin = min(curmin, it->second + v + 1);
}
}
for (auto [k, v] : a) {
ans.insert({k + len, v + 1});
}
}
return ans;
}
int best_path(int N, int K, int H[][2], int L[]) {
// cout << "testcase\n";
vector<vector<pair<int, int>>> es(N);
for (int i = 0; i < N - 1; i++) {
es[H[i][0]].push_back({H[i][1], L[i]});
es[H[i][1]].push_back({H[i][0], L[i]});
}
int curmin = N;
auto ans = solve(N, K, es, curmin, -1, 0);
if (curmin == N) {
return -1;
} else {
return curmin;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
2 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
308 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
2 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
308 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
2 ms |
340 KB |
Output is correct |
| 22 |
Correct |
3 ms |
436 KB |
Output is correct |
| 23 |
Correct |
5 ms |
468 KB |
Output is correct |
| 24 |
Correct |
3 ms |
516 KB |
Output is correct |
| 25 |
Correct |
2 ms |
468 KB |
Output is correct |
| 26 |
Correct |
2 ms |
448 KB |
Output is correct |
| 27 |
Correct |
2 ms |
316 KB |
Output is correct |
| 28 |
Correct |
2 ms |
468 KB |
Output is correct |
| 29 |
Correct |
2 ms |
468 KB |
Output is correct |
| 30 |
Correct |
2 ms |
448 KB |
Output is correct |
| 31 |
Correct |
2 ms |
468 KB |
Output is correct |
| 32 |
Correct |
2 ms |
468 KB |
Output is correct |
| 33 |
Correct |
3 ms |
468 KB |
Output is correct |
| 34 |
Correct |
13 ms |
532 KB |
Output is correct |
| 35 |
Correct |
17 ms |
468 KB |
Output is correct |
| 36 |
Correct |
19 ms |
468 KB |
Output is correct |
| 37 |
Correct |
10 ms |
448 KB |
Output is correct |
| 38 |
Correct |
7 ms |
468 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
2 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
308 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
135 ms |
8904 KB |
Output is correct |
| 20 |
Correct |
108 ms |
8892 KB |
Output is correct |
| 21 |
Incorrect |
98 ms |
8812 KB |
Output isn't correct |
| 22 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
312 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
2 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
308 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
304 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
304 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
2 ms |
340 KB |
Output is correct |
| 22 |
Correct |
3 ms |
436 KB |
Output is correct |
| 23 |
Correct |
5 ms |
468 KB |
Output is correct |
| 24 |
Correct |
3 ms |
516 KB |
Output is correct |
| 25 |
Correct |
2 ms |
468 KB |
Output is correct |
| 26 |
Correct |
2 ms |
448 KB |
Output is correct |
| 27 |
Correct |
2 ms |
316 KB |
Output is correct |
| 28 |
Correct |
2 ms |
468 KB |
Output is correct |
| 29 |
Correct |
2 ms |
468 KB |
Output is correct |
| 30 |
Correct |
2 ms |
448 KB |
Output is correct |
| 31 |
Correct |
2 ms |
468 KB |
Output is correct |
| 32 |
Correct |
2 ms |
468 KB |
Output is correct |
| 33 |
Correct |
3 ms |
468 KB |
Output is correct |
| 34 |
Correct |
13 ms |
532 KB |
Output is correct |
| 35 |
Correct |
17 ms |
468 KB |
Output is correct |
| 36 |
Correct |
19 ms |
468 KB |
Output is correct |
| 37 |
Correct |
10 ms |
448 KB |
Output is correct |
| 38 |
Correct |
7 ms |
468 KB |
Output is correct |
| 39 |
Correct |
135 ms |
8904 KB |
Output is correct |
| 40 |
Correct |
108 ms |
8892 KB |
Output is correct |
| 41 |
Incorrect |
98 ms |
8812 KB |
Output isn't correct |
| 42 |
Halted |
0 ms |
0 KB |
- |
