| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 28928 |
2017-07-17T23:57:14 Z |
h0ngjun7 |
Race (IOI11_race) |
C++14 |
|
3000 ms |
69976 KB |
#include "race.h"
#include <vector>
#include <algorithm>
#include <unordered_map>
using namespace std;
const int MAXN = 200005;
struct EDGE { int x, w; };
int N, K, ans = -1;
vector <EDGE> v[MAXN];
void f(int x, int par, unordered_map <int, int> &d) {
d[0] = 0;
for (auto &y : v[x]) {
if (y.x == par) continue;
unordered_map <int, int> d2, d3;
f(y.x, x, d2);
for (auto &t : d2) {
if (t.first + y.w > K) continue;
d3[t.first + y.w] = t.second + 1;
}
d2.clear();
if (d.size() < d3.size()) d.swap(d3);
for (auto &t : d3) {
if (d.count(K - t.first)) {
if (ans == -1 || ans > d[K - t.first] + t.second)
ans = d[K - t.first] + t.second;
}
}
for (auto &t : d3) {
if (t.first == K) {
if (ans == -1 || ans > t.second)
ans = t.second;
}
if (d.count(t.first)) d[t.first] = min(d[t.first], t.second);
else d[t.first] = t.second;
}
}
}
int best_path(int _N, int _K, int H[][2], int L[]) {
N = _N, K = _K;
for (int i = 0; i < N - 1; i++) {
v[H[i][0]].push_back({ H[i][1], L[i] });
v[H[i][1]].push_back({ H[i][0], L[i] });
}
unordered_map <int, int> d;
f(0, -1, d);
return ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5092 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
6 ms |
5220 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 7 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 8 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 10 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 11 |
Correct |
6 ms |
5300 KB |
Output is correct |
| 12 |
Correct |
7 ms |
5300 KB |
Output is correct |
| 13 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 14 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 16 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 17 |
Correct |
7 ms |
5356 KB |
Output is correct |
| 18 |
Correct |
6 ms |
5356 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5092 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
6 ms |
5220 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 7 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 8 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 10 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 11 |
Correct |
6 ms |
5300 KB |
Output is correct |
| 12 |
Correct |
7 ms |
5300 KB |
Output is correct |
| 13 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 14 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 16 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 17 |
Correct |
7 ms |
5356 KB |
Output is correct |
| 18 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 19 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 20 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 21 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 22 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 23 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 24 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 25 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 26 |
Correct |
6 ms |
5460 KB |
Output is correct |
| 27 |
Correct |
7 ms |
5460 KB |
Output is correct |
| 28 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 29 |
Correct |
7 ms |
5460 KB |
Output is correct |
| 30 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 31 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 32 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 33 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 34 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 35 |
Correct |
10 ms |
5460 KB |
Output is correct |
| 36 |
Correct |
10 ms |
5460 KB |
Output is correct |
| 37 |
Correct |
21 ms |
5460 KB |
Output is correct |
| 38 |
Correct |
14 ms |
5460 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5092 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
6 ms |
5220 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 7 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 8 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 10 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 11 |
Correct |
6 ms |
5300 KB |
Output is correct |
| 12 |
Correct |
7 ms |
5300 KB |
Output is correct |
| 13 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 14 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 16 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 17 |
Correct |
7 ms |
5356 KB |
Output is correct |
| 18 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 19 |
Correct |
214 ms |
10236 KB |
Output is correct |
| 20 |
Correct |
210 ms |
10236 KB |
Output is correct |
| 21 |
Correct |
195 ms |
10236 KB |
Output is correct |
| 22 |
Correct |
181 ms |
10236 KB |
Output is correct |
| 23 |
Correct |
145 ms |
10420 KB |
Output is correct |
| 24 |
Correct |
134 ms |
10420 KB |
Output is correct |
| 25 |
Correct |
1235 ms |
24432 KB |
Output is correct |
| 26 |
Correct |
889 ms |
37756 KB |
Output is correct |
| 27 |
Correct |
457 ms |
37756 KB |
Output is correct |
| 28 |
Correct |
290 ms |
69976 KB |
Output is correct |
| 29 |
Correct |
351 ms |
69976 KB |
Output is correct |
| 30 |
Correct |
496 ms |
69976 KB |
Output is correct |
| 31 |
Correct |
455 ms |
69976 KB |
Output is correct |
| 32 |
Correct |
394 ms |
69976 KB |
Output is correct |
| 33 |
Correct |
2220 ms |
69976 KB |
Output is correct |
| 34 |
Correct |
194 ms |
69976 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
4984 KB |
Output is correct |
| 2 |
Correct |
5 ms |
5092 KB |
Output is correct |
| 3 |
Correct |
5 ms |
5144 KB |
Output is correct |
| 4 |
Correct |
6 ms |
5144 KB |
Output is correct |
| 5 |
Correct |
6 ms |
5220 KB |
Output is correct |
| 6 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 7 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 8 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 9 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 10 |
Correct |
6 ms |
5280 KB |
Output is correct |
| 11 |
Correct |
6 ms |
5300 KB |
Output is correct |
| 12 |
Correct |
7 ms |
5300 KB |
Output is correct |
| 13 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 14 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 15 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 16 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 17 |
Correct |
7 ms |
5356 KB |
Output is correct |
| 18 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 19 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 20 |
Correct |
6 ms |
5356 KB |
Output is correct |
| 21 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 22 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 23 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 24 |
Correct |
8 ms |
5372 KB |
Output is correct |
| 25 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 26 |
Correct |
6 ms |
5460 KB |
Output is correct |
| 27 |
Correct |
7 ms |
5460 KB |
Output is correct |
| 28 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 29 |
Correct |
7 ms |
5460 KB |
Output is correct |
| 30 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 31 |
Correct |
8 ms |
5460 KB |
Output is correct |
| 32 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 33 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 34 |
Correct |
9 ms |
5460 KB |
Output is correct |
| 35 |
Correct |
10 ms |
5460 KB |
Output is correct |
| 36 |
Correct |
10 ms |
5460 KB |
Output is correct |
| 37 |
Correct |
21 ms |
5460 KB |
Output is correct |
| 38 |
Correct |
14 ms |
5460 KB |
Output is correct |
| 39 |
Correct |
214 ms |
10236 KB |
Output is correct |
| 40 |
Correct |
210 ms |
10236 KB |
Output is correct |
| 41 |
Correct |
195 ms |
10236 KB |
Output is correct |
| 42 |
Correct |
181 ms |
10236 KB |
Output is correct |
| 43 |
Correct |
145 ms |
10420 KB |
Output is correct |
| 44 |
Correct |
134 ms |
10420 KB |
Output is correct |
| 45 |
Correct |
1235 ms |
24432 KB |
Output is correct |
| 46 |
Correct |
889 ms |
37756 KB |
Output is correct |
| 47 |
Correct |
457 ms |
37756 KB |
Output is correct |
| 48 |
Correct |
290 ms |
69976 KB |
Output is correct |
| 49 |
Correct |
351 ms |
69976 KB |
Output is correct |
| 50 |
Correct |
496 ms |
69976 KB |
Output is correct |
| 51 |
Correct |
455 ms |
69976 KB |
Output is correct |
| 52 |
Correct |
394 ms |
69976 KB |
Output is correct |
| 53 |
Correct |
2220 ms |
69976 KB |
Output is correct |
| 54 |
Correct |
194 ms |
69976 KB |
Output is correct |
| 55 |
Correct |
29 ms |
69976 KB |
Output is correct |
| 56 |
Correct |
20 ms |
69976 KB |
Output is correct |
| 57 |
Correct |
129 ms |
69976 KB |
Output is correct |
| 58 |
Correct |
79 ms |
69976 KB |
Output is correct |
| 59 |
Execution timed out |
3057 ms |
69976 KB |
Time limit exceeded |
| 60 |
Halted |
0 ms |
0 KB |
- |
