| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 369153 |
2021-02-20T14:46:43 Z |
mjhmjh1104 |
Game (IOI14_game) |
C++14 |
|
1000 ms |
4960 KB |
#include "game.h"
#include <vector>
#include <algorithm>
using namespace std;
int uf[1506], sz[1506], ds[1506], n;
int _find(int x) {
if (uf[x] == -1) return x;
return uf[x] = _find(uf[x]);
}
void _merge(int x, int y) {
x = _find(x), y = _find(y);
if (x == y) return;
sz[y] += sz[x], ds[y] += ds[x], uf[x] = y;
}
vector<pair<int, int>> lt;
int k, idx[1506][1506];
void initialize(int N) {
n = N;
for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) {
idx[i][j] = (int)lt.size();
lt.push_back({ i, j });
}
}
int hasEdge(int u, int v) {
if (u > v) swap(u, v);
swap(lt[idx[u][v]], lt[k]);
swap(idx[lt[k].first][lt[k].second], idx[lt[idx[u][v]].first][lt[idx[u][v]].second]);
k++;
for (int i = 0; i < n; i++) uf[i] = -1;
for (int i = n * (n - 1) / 2 - 1; i >= k; i--) _merge(lt[i].first, lt[i].second);
for (int i = 1; i < n; i++) if (_find(i) != _find(0)) return k--, 1;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
492 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
0 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
0 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
364 KB |
Output is correct |
| 16 |
Correct |
0 ms |
372 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
0 ms |
364 KB |
Output is correct |
| 19 |
Correct |
0 ms |
364 KB |
Output is correct |
| 20 |
Correct |
0 ms |
364 KB |
Output is correct |
| 21 |
Correct |
0 ms |
364 KB |
Output is correct |
| 22 |
Correct |
0 ms |
364 KB |
Output is correct |
| 23 |
Correct |
0 ms |
364 KB |
Output is correct |
| 24 |
Correct |
0 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
0 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
0 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
0 ms |
376 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
0 ms |
364 KB |
Output is correct |
| 17 |
Correct |
0 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
0 ms |
364 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
0 ms |
364 KB |
Output is correct |
| 23 |
Correct |
0 ms |
364 KB |
Output is correct |
| 24 |
Correct |
0 ms |
364 KB |
Output is correct |
| 25 |
Correct |
3 ms |
492 KB |
Output is correct |
| 26 |
Correct |
2 ms |
492 KB |
Output is correct |
| 27 |
Correct |
2 ms |
492 KB |
Output is correct |
| 28 |
Correct |
2 ms |
492 KB |
Output is correct |
| 29 |
Correct |
3 ms |
492 KB |
Output is correct |
| 30 |
Correct |
2 ms |
492 KB |
Output is correct |
| 31 |
Correct |
2 ms |
492 KB |
Output is correct |
| 32 |
Correct |
2 ms |
492 KB |
Output is correct |
| 33 |
Correct |
2 ms |
492 KB |
Output is correct |
| 34 |
Correct |
57 ms |
748 KB |
Output is correct |
| 35 |
Correct |
56 ms |
876 KB |
Output is correct |
| 36 |
Correct |
57 ms |
748 KB |
Output is correct |
| 37 |
Correct |
59 ms |
876 KB |
Output is correct |
| 38 |
Correct |
59 ms |
748 KB |
Output is correct |
| 39 |
Correct |
58 ms |
768 KB |
Output is correct |
| 40 |
Correct |
58 ms |
748 KB |
Output is correct |
| 41 |
Correct |
56 ms |
876 KB |
Output is correct |
| 42 |
Correct |
57 ms |
876 KB |
Output is correct |
| 43 |
Correct |
41 ms |
748 KB |
Output is correct |
| 44 |
Correct |
42 ms |
876 KB |
Output is correct |
| 45 |
Correct |
59 ms |
748 KB |
Output is correct |
| 46 |
Correct |
56 ms |
748 KB |
Output is correct |
| 47 |
Correct |
55 ms |
748 KB |
Output is correct |
| 48 |
Correct |
57 ms |
748 KB |
Output is correct |
| 49 |
Correct |
57 ms |
748 KB |
Output is correct |
| 50 |
Correct |
56 ms |
748 KB |
Output is correct |
| 51 |
Correct |
61 ms |
748 KB |
Output is correct |
| 52 |
Correct |
56 ms |
748 KB |
Output is correct |
| 53 |
Correct |
56 ms |
876 KB |
Output is correct |
| 54 |
Correct |
57 ms |
772 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
364 KB |
Output is correct |
| 2 |
Correct |
0 ms |
364 KB |
Output is correct |
| 3 |
Correct |
0 ms |
364 KB |
Output is correct |
| 4 |
Correct |
0 ms |
364 KB |
Output is correct |
| 5 |
Correct |
0 ms |
364 KB |
Output is correct |
| 6 |
Correct |
0 ms |
364 KB |
Output is correct |
| 7 |
Correct |
0 ms |
364 KB |
Output is correct |
| 8 |
Correct |
0 ms |
364 KB |
Output is correct |
| 9 |
Correct |
0 ms |
364 KB |
Output is correct |
| 10 |
Correct |
0 ms |
364 KB |
Output is correct |
| 11 |
Correct |
0 ms |
364 KB |
Output is correct |
| 12 |
Correct |
0 ms |
364 KB |
Output is correct |
| 13 |
Correct |
0 ms |
364 KB |
Output is correct |
| 14 |
Correct |
0 ms |
364 KB |
Output is correct |
| 15 |
Correct |
0 ms |
364 KB |
Output is correct |
| 16 |
Correct |
0 ms |
364 KB |
Output is correct |
| 17 |
Correct |
0 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
0 ms |
364 KB |
Output is correct |
| 20 |
Correct |
0 ms |
364 KB |
Output is correct |
| 21 |
Correct |
0 ms |
364 KB |
Output is correct |
| 22 |
Correct |
0 ms |
364 KB |
Output is correct |
| 23 |
Correct |
0 ms |
364 KB |
Output is correct |
| 24 |
Correct |
0 ms |
364 KB |
Output is correct |
| 25 |
Correct |
2 ms |
492 KB |
Output is correct |
| 26 |
Correct |
2 ms |
492 KB |
Output is correct |
| 27 |
Correct |
2 ms |
492 KB |
Output is correct |
| 28 |
Correct |
2 ms |
492 KB |
Output is correct |
| 29 |
Correct |
3 ms |
492 KB |
Output is correct |
| 30 |
Correct |
3 ms |
492 KB |
Output is correct |
| 31 |
Correct |
3 ms |
492 KB |
Output is correct |
| 32 |
Correct |
2 ms |
492 KB |
Output is correct |
| 33 |
Correct |
2 ms |
492 KB |
Output is correct |
| 34 |
Correct |
56 ms |
748 KB |
Output is correct |
| 35 |
Correct |
58 ms |
748 KB |
Output is correct |
| 36 |
Correct |
58 ms |
748 KB |
Output is correct |
| 37 |
Correct |
59 ms |
748 KB |
Output is correct |
| 38 |
Correct |
59 ms |
748 KB |
Output is correct |
| 39 |
Correct |
57 ms |
772 KB |
Output is correct |
| 40 |
Correct |
68 ms |
876 KB |
Output is correct |
| 41 |
Correct |
56 ms |
768 KB |
Output is correct |
| 42 |
Correct |
56 ms |
748 KB |
Output is correct |
| 43 |
Correct |
41 ms |
748 KB |
Output is correct |
| 44 |
Correct |
43 ms |
876 KB |
Output is correct |
| 45 |
Correct |
57 ms |
748 KB |
Output is correct |
| 46 |
Correct |
58 ms |
776 KB |
Output is correct |
| 47 |
Correct |
56 ms |
748 KB |
Output is correct |
| 48 |
Correct |
56 ms |
748 KB |
Output is correct |
| 49 |
Correct |
57 ms |
748 KB |
Output is correct |
| 50 |
Correct |
56 ms |
748 KB |
Output is correct |
| 51 |
Correct |
57 ms |
876 KB |
Output is correct |
| 52 |
Correct |
56 ms |
748 KB |
Output is correct |
| 53 |
Correct |
57 ms |
876 KB |
Output is correct |
| 54 |
Correct |
59 ms |
748 KB |
Output is correct |
| 55 |
Execution timed out |
1083 ms |
4960 KB |
Time limit exceeded |
| 56 |
Halted |
0 ms |
0 KB |
- |
