| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 292331 |
2020-09-06T20:43:06 Z |
VodkaInTheJar |
Game (IOI14_game) |
C++14 |
|
531 ms |
8568 KB |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1503;
const int k = 40;
int cnt[maxn][maxn];
vector <int> adj[maxn];
int n, cnt_buckets;
void initialize(int m)
{
n = m;
cnt_buckets = (n - 1) / k;
for (int i = 1; i <= n; i++)
for (int j = i + 1; j <= n; j++)
{
if ((i - 1) / k == (j - 1) / k)
adj[i].push_back(j), adj[j].push_back(i);
else
cnt[(i - 1) / k][(j - 1) / k]++, cnt[(j - 1) / k][(i - 1) / k]++;
}
}
int cnt_used = 0;
bool used[maxn];
void dfs1(int ver)
{
used[ver] = true;
cnt_used++;
for (int i = 0; i <= cnt_buckets; i++)
if (!used[i] && cnt[ver][i])
dfs1(i);
}
void dfs2(int ver)
{
used[ver] = true;
cnt_used++;
for (auto i: adj[ver])
if (!used[i])
dfs2(i);
}
int hasEdge(int u, int v)
{
u++;
v++;
if ((u - 1) / k == (v - 1) / k)
{
auto it1 = find(adj[u].begin(), adj[u].end(), v);
auto it2 = find(adj[v].begin(), adj[v].end(), u);
adj[u].erase(it1);
adj[v].erase(it2);
int first = (u - 1) / k * k + 1;
int last = min(n, first + k - 1);
for (int i = first; i <= last; i++)
used[i] = false;
cnt_used = 0;
dfs2(first);
if (cnt_used != last - first + 1)
{
adj[u].push_back(v);
adj[v].push_back(u);
return 1;
}
return 0;
}
else
{
cnt[(u - 1) / k][(v - 1) / k]--;
cnt[(v - 1) / k][(u - 1) / k]--;
if (cnt[(u - 1) / k][(v - 1) / k] >= 1)
return 0;
for (int i = 0; i <= cnt_buckets; i++)
used[i] = false;
cnt_used = 0;
dfs1(0);
if (cnt_used != cnt_buckets + 1)
{
cnt[(u - 1) / k][(v - 1) / k]++;
cnt[(v - 1) / k][(u - 1) / k]++;
return 1;
}
return 0;
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
1 ms |
384 KB |
Output is correct |
| 5 |
Correct |
0 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
1 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
0 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
0 ms |
384 KB |
Output is correct |
| 14 |
Correct |
1 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
1 ms |
384 KB |
Output is correct |
| 18 |
Correct |
0 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
1 ms |
384 KB |
Output is correct |
| 23 |
Correct |
0 ms |
384 KB |
Output is correct |
| 24 |
Correct |
1 ms |
416 KB |
Output is correct |
| 25 |
Correct |
2 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
6 ms |
384 KB |
Output is correct |
| 28 |
Correct |
1 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
3 ms |
384 KB |
Output is correct |
| 31 |
Correct |
1 ms |
384 KB |
Output is correct |
| 32 |
Correct |
2 ms |
384 KB |
Output is correct |
| 33 |
Correct |
2 ms |
384 KB |
Output is correct |
| 34 |
Correct |
4 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
4 ms |
384 KB |
Output is correct |
| 37 |
Correct |
4 ms |
384 KB |
Output is correct |
| 38 |
Correct |
4 ms |
384 KB |
Output is correct |
| 39 |
Correct |
4 ms |
384 KB |
Output is correct |
| 40 |
Correct |
6 ms |
384 KB |
Output is correct |
| 41 |
Correct |
4 ms |
384 KB |
Output is correct |
| 42 |
Correct |
6 ms |
384 KB |
Output is correct |
| 43 |
Correct |
4 ms |
384 KB |
Output is correct |
| 44 |
Correct |
4 ms |
384 KB |
Output is correct |
| 45 |
Correct |
4 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
384 KB |
Output is correct |
| 47 |
Correct |
4 ms |
384 KB |
Output is correct |
| 48 |
Correct |
4 ms |
384 KB |
Output is correct |
| 49 |
Correct |
4 ms |
384 KB |
Output is correct |
| 50 |
Correct |
4 ms |
384 KB |
Output is correct |
| 51 |
Correct |
4 ms |
384 KB |
Output is correct |
| 52 |
Correct |
4 ms |
384 KB |
Output is correct |
| 53 |
Correct |
4 ms |
384 KB |
Output is correct |
| 54 |
Correct |
4 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
0 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
0 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
0 ms |
384 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
0 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
0 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
0 ms |
384 KB |
Output is correct |
| 13 |
Correct |
1 ms |
384 KB |
Output is correct |
| 14 |
Correct |
0 ms |
384 KB |
Output is correct |
| 15 |
Correct |
0 ms |
384 KB |
Output is correct |
| 16 |
Correct |
1 ms |
384 KB |
Output is correct |
| 17 |
Correct |
0 ms |
384 KB |
Output is correct |
| 18 |
Correct |
1 ms |
384 KB |
Output is correct |
| 19 |
Correct |
1 ms |
384 KB |
Output is correct |
| 20 |
Correct |
0 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
0 ms |
384 KB |
Output is correct |
| 23 |
Correct |
1 ms |
384 KB |
Output is correct |
| 24 |
Correct |
0 ms |
384 KB |
Output is correct |
| 25 |
Correct |
1 ms |
384 KB |
Output is correct |
| 26 |
Correct |
1 ms |
384 KB |
Output is correct |
| 27 |
Correct |
1 ms |
384 KB |
Output is correct |
| 28 |
Correct |
2 ms |
384 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
1 ms |
384 KB |
Output is correct |
| 31 |
Correct |
1 ms |
384 KB |
Output is correct |
| 32 |
Correct |
1 ms |
384 KB |
Output is correct |
| 33 |
Correct |
1 ms |
384 KB |
Output is correct |
| 34 |
Correct |
4 ms |
384 KB |
Output is correct |
| 35 |
Correct |
4 ms |
384 KB |
Output is correct |
| 36 |
Correct |
4 ms |
384 KB |
Output is correct |
| 37 |
Correct |
4 ms |
384 KB |
Output is correct |
| 38 |
Correct |
4 ms |
384 KB |
Output is correct |
| 39 |
Correct |
4 ms |
384 KB |
Output is correct |
| 40 |
Correct |
4 ms |
384 KB |
Output is correct |
| 41 |
Correct |
4 ms |
384 KB |
Output is correct |
| 42 |
Correct |
4 ms |
384 KB |
Output is correct |
| 43 |
Correct |
4 ms |
384 KB |
Output is correct |
| 44 |
Correct |
3 ms |
384 KB |
Output is correct |
| 45 |
Correct |
4 ms |
384 KB |
Output is correct |
| 46 |
Correct |
4 ms |
384 KB |
Output is correct |
| 47 |
Correct |
4 ms |
384 KB |
Output is correct |
| 48 |
Correct |
5 ms |
384 KB |
Output is correct |
| 49 |
Correct |
4 ms |
384 KB |
Output is correct |
| 50 |
Correct |
4 ms |
384 KB |
Output is correct |
| 51 |
Correct |
4 ms |
384 KB |
Output is correct |
| 52 |
Correct |
4 ms |
384 KB |
Output is correct |
| 53 |
Correct |
4 ms |
384 KB |
Output is correct |
| 54 |
Correct |
4 ms |
384 KB |
Output is correct |
| 55 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 56 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 57 |
Correct |
63 ms |
2168 KB |
Output is correct |
| 58 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 59 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 60 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 61 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 62 |
Correct |
66 ms |
2168 KB |
Output is correct |
| 63 |
Correct |
65 ms |
2168 KB |
Output is correct |
| 64 |
Correct |
59 ms |
2188 KB |
Output is correct |
| 65 |
Correct |
62 ms |
2296 KB |
Output is correct |
| 66 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 67 |
Correct |
65 ms |
2296 KB |
Output is correct |
| 68 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 69 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 70 |
Correct |
63 ms |
2168 KB |
Output is correct |
| 71 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 72 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 73 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 74 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 75 |
Correct |
64 ms |
2168 KB |
Output is correct |
| 76 |
Correct |
137 ms |
3448 KB |
Output is correct |
| 77 |
Correct |
135 ms |
3296 KB |
Output is correct |
| 78 |
Correct |
139 ms |
3320 KB |
Output is correct |
| 79 |
Correct |
137 ms |
3320 KB |
Output is correct |
| 80 |
Correct |
132 ms |
3320 KB |
Output is correct |
| 81 |
Correct |
136 ms |
3320 KB |
Output is correct |
| 82 |
Correct |
138 ms |
3320 KB |
Output is correct |
| 83 |
Correct |
135 ms |
3324 KB |
Output is correct |
| 84 |
Correct |
135 ms |
3320 KB |
Output is correct |
| 85 |
Correct |
223 ms |
4728 KB |
Output is correct |
| 86 |
Correct |
222 ms |
4728 KB |
Output is correct |
| 87 |
Correct |
221 ms |
4728 KB |
Output is correct |
| 88 |
Correct |
224 ms |
4728 KB |
Output is correct |
| 89 |
Correct |
227 ms |
4728 KB |
Output is correct |
| 90 |
Correct |
226 ms |
4856 KB |
Output is correct |
| 91 |
Correct |
226 ms |
4856 KB |
Output is correct |
| 92 |
Correct |
221 ms |
4728 KB |
Output is correct |
| 93 |
Correct |
224 ms |
4728 KB |
Output is correct |
| 94 |
Correct |
487 ms |
8440 KB |
Output is correct |
| 95 |
Correct |
474 ms |
8440 KB |
Output is correct |
| 96 |
Correct |
475 ms |
8440 KB |
Output is correct |
| 97 |
Correct |
472 ms |
8568 KB |
Output is correct |
| 98 |
Correct |
474 ms |
8440 KB |
Output is correct |
| 99 |
Correct |
531 ms |
8568 KB |
Output is correct |
| 100 |
Correct |
469 ms |
8440 KB |
Output is correct |
