| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 581900 |
2022-06-23T07:52:59 Z |
Josia |
Game (IOI14_game) |
C++14 |
|
503 ms |
16468 KB |
#include <bits/stdc++.h>
#include "game.h"
using namespace std;
int N;
vector<pair<int, vector<int>>> chef;
void initUF() {
chef.assign(N, {-1, vector<int>(N, 1)});
for (int i = 0; i<N; i++) {
chef[i].first = i;
}
}
int find(int x) {
if (chef[x].first == x) return x;
return chef[x].first = find(chef[x].first);
}
void unite(int a, int b) {
// cerr << "unite: " << find(a) << " " << find(b) << "\n";
if (find(a) == find(b)) return;
for (int i=0; i<N; i++)
chef[find(b)].second[i] += chef[find(a)].second[i];
for (int i = 0; i<N; i++)
chef[find(i)].second[find(b)] = chef[find(b)].second[find(i)];
chef[find(a)].first = find(b);
}
void initialize(int n) {
N = n;
initUF();
}
int hasEdge(int u, int v) {
// cerr << u << " " << v << "\n";
// for (auto i: chef) {
// for (int j: i.second) {
// cerr << j << " ";
// }
// cerr << "\n";
// }
// cerr << "\n\n";
if (chef[find(u)].second[find(v)] == 1) {
unite(u, v);
return 1;
}
chef[find(u)].second[find(v)]--;
chef[find(v)].second[find(u)]--;
return 0;
}
void test(int n) {
vector<pair<int, int>> edges;
for (int i = 0; i<n; i++) {
for (int j = i+1; j<n; j++) {
edges.push_back({i, j});
}
}
std::random_device rd;
std::mt19937 g(rd());
shuffle(edges.begin(), edges.end(), g);
initialize(n);
vector<int> answers;
for (auto i: edges) {
if (rand()%2==0) swap(i.first, i.second);
cerr << i.first << " " << i.second << "\n";
answers.push_back(hasEdge(i.first, i.second));
}
assert(answers.back() == 1);
assert((int)accumulate(answers.begin(), answers.end(), 0) == (int)n-1);
}
// signed main() {
// while (true) {
// test(4);
// cerr << "\n";
// }
// }
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
316 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
308 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
308 KB |
Output is correct |
| 10 |
Correct |
1 ms |
308 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
312 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
316 KB |
Output is correct |
| 19 |
Correct |
0 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
308 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
308 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
212 KB |
Output is correct |
| 29 |
Correct |
1 ms |
212 KB |
Output is correct |
| 30 |
Correct |
1 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
340 KB |
Output is correct |
| 35 |
Correct |
2 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
340 KB |
Output is correct |
| 37 |
Correct |
2 ms |
340 KB |
Output is correct |
| 38 |
Correct |
2 ms |
340 KB |
Output is correct |
| 39 |
Correct |
2 ms |
340 KB |
Output is correct |
| 40 |
Correct |
2 ms |
324 KB |
Output is correct |
| 41 |
Correct |
2 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
340 KB |
Output is correct |
| 43 |
Correct |
2 ms |
340 KB |
Output is correct |
| 44 |
Correct |
2 ms |
384 KB |
Output is correct |
| 45 |
Correct |
2 ms |
324 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
2 ms |
340 KB |
Output is correct |
| 48 |
Correct |
2 ms |
340 KB |
Output is correct |
| 49 |
Correct |
2 ms |
340 KB |
Output is correct |
| 50 |
Correct |
2 ms |
320 KB |
Output is correct |
| 51 |
Correct |
2 ms |
340 KB |
Output is correct |
| 52 |
Correct |
2 ms |
340 KB |
Output is correct |
| 53 |
Correct |
2 ms |
324 KB |
Output is correct |
| 54 |
Correct |
2 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
1 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
312 KB |
Output is correct |
| 7 |
Correct |
1 ms |
312 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
1 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
312 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
308 KB |
Output is correct |
| 21 |
Correct |
1 ms |
224 KB |
Output is correct |
| 22 |
Correct |
1 ms |
224 KB |
Output is correct |
| 23 |
Correct |
1 ms |
224 KB |
Output is correct |
| 24 |
Correct |
1 ms |
320 KB |
Output is correct |
| 25 |
Correct |
1 ms |
224 KB |
Output is correct |
| 26 |
Correct |
1 ms |
224 KB |
Output is correct |
| 27 |
Correct |
1 ms |
224 KB |
Output is correct |
| 28 |
Correct |
1 ms |
224 KB |
Output is correct |
| 29 |
Correct |
1 ms |
224 KB |
Output is correct |
| 30 |
Correct |
1 ms |
324 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
1 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
2 ms |
328 KB |
Output is correct |
| 35 |
Correct |
2 ms |
340 KB |
Output is correct |
| 36 |
Correct |
2 ms |
320 KB |
Output is correct |
| 37 |
Correct |
2 ms |
340 KB |
Output is correct |
| 38 |
Correct |
2 ms |
320 KB |
Output is correct |
| 39 |
Correct |
2 ms |
340 KB |
Output is correct |
| 40 |
Correct |
2 ms |
340 KB |
Output is correct |
| 41 |
Correct |
2 ms |
340 KB |
Output is correct |
| 42 |
Correct |
2 ms |
340 KB |
Output is correct |
| 43 |
Correct |
2 ms |
396 KB |
Output is correct |
| 44 |
Correct |
2 ms |
340 KB |
Output is correct |
| 45 |
Correct |
3 ms |
324 KB |
Output is correct |
| 46 |
Correct |
2 ms |
340 KB |
Output is correct |
| 47 |
Correct |
2 ms |
364 KB |
Output is correct |
| 48 |
Correct |
2 ms |
340 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
2 ms |
340 KB |
Output is correct |
| 51 |
Correct |
2 ms |
340 KB |
Output is correct |
| 52 |
Correct |
2 ms |
324 KB |
Output is correct |
| 53 |
Correct |
2 ms |
340 KB |
Output is correct |
| 54 |
Correct |
2 ms |
340 KB |
Output is correct |
| 55 |
Correct |
40 ms |
2772 KB |
Output is correct |
| 56 |
Correct |
44 ms |
2764 KB |
Output is correct |
| 57 |
Correct |
40 ms |
2760 KB |
Output is correct |
| 58 |
Correct |
42 ms |
2764 KB |
Output is correct |
| 59 |
Correct |
50 ms |
2656 KB |
Output is correct |
| 60 |
Correct |
46 ms |
2700 KB |
Output is correct |
| 61 |
Correct |
41 ms |
2764 KB |
Output is correct |
| 62 |
Correct |
41 ms |
2672 KB |
Output is correct |
| 63 |
Correct |
51 ms |
2752 KB |
Output is correct |
| 64 |
Correct |
39 ms |
2756 KB |
Output is correct |
| 65 |
Correct |
41 ms |
2764 KB |
Output is correct |
| 66 |
Correct |
62 ms |
2744 KB |
Output is correct |
| 67 |
Correct |
44 ms |
2684 KB |
Output is correct |
| 68 |
Correct |
41 ms |
2736 KB |
Output is correct |
| 69 |
Correct |
45 ms |
2688 KB |
Output is correct |
| 70 |
Correct |
59 ms |
2768 KB |
Output is correct |
| 71 |
Correct |
40 ms |
2728 KB |
Output is correct |
| 72 |
Correct |
42 ms |
2660 KB |
Output is correct |
| 73 |
Correct |
43 ms |
2764 KB |
Output is correct |
| 74 |
Correct |
43 ms |
2756 KB |
Output is correct |
| 75 |
Correct |
56 ms |
2676 KB |
Output is correct |
| 76 |
Correct |
95 ms |
5028 KB |
Output is correct |
| 77 |
Correct |
95 ms |
5084 KB |
Output is correct |
| 78 |
Correct |
117 ms |
5016 KB |
Output is correct |
| 79 |
Correct |
96 ms |
5100 KB |
Output is correct |
| 80 |
Correct |
125 ms |
4992 KB |
Output is correct |
| 81 |
Correct |
98 ms |
5008 KB |
Output is correct |
| 82 |
Correct |
96 ms |
5044 KB |
Output is correct |
| 83 |
Correct |
102 ms |
5068 KB |
Output is correct |
| 84 |
Correct |
95 ms |
5068 KB |
Output is correct |
| 85 |
Correct |
160 ms |
8104 KB |
Output is correct |
| 86 |
Correct |
164 ms |
8160 KB |
Output is correct |
| 87 |
Correct |
202 ms |
8064 KB |
Output is correct |
| 88 |
Correct |
166 ms |
8140 KB |
Output is correct |
| 89 |
Correct |
189 ms |
8064 KB |
Output is correct |
| 90 |
Correct |
169 ms |
8148 KB |
Output is correct |
| 91 |
Correct |
179 ms |
8064 KB |
Output is correct |
| 92 |
Correct |
172 ms |
8184 KB |
Output is correct |
| 93 |
Correct |
162 ms |
8128 KB |
Output is correct |
| 94 |
Correct |
431 ms |
16468 KB |
Output is correct |
| 95 |
Correct |
453 ms |
16316 KB |
Output is correct |
| 96 |
Correct |
387 ms |
16240 KB |
Output is correct |
| 97 |
Correct |
464 ms |
16284 KB |
Output is correct |
| 98 |
Correct |
428 ms |
16304 KB |
Output is correct |
| 99 |
Correct |
503 ms |
16304 KB |
Output is correct |
| 100 |
Correct |
412 ms |
16336 KB |
Output is correct |
