# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
773927 |
2023-07-05T09:39:40 Z |
boris_mihov |
Game (IOI14_game) |
C++17 |
|
371 ms |
23812 KB |
#include "game.h"
#include <algorithm>
#include <iostream>
#include <cassert>
#include <numeric>
#include <vector>
typedef long long llong;
const int MAXN = 5000 + 10;
int n;
int d[MAXN];
struct DSU
{
int par[MAXN];
int dep[MAXN];
bool isPresent[MAXN][MAXN];
void build()
{
std::iota(par + 1, par + 1 + n, 1);
std::fill(dep + 1, dep + 1 + n, 1);
for (int i = 1 ; i <= n ; ++i)
{
std::fill(isPresent[i] + 1, isPresent[i] + 1 + n, 1);
}
}
int find(int node)
{
if (par[node] == node)
{
return node;
}
return par[node] = find(par[node]);
}
void connect(int u, int v)
{
u = find(u);
v = find(v);
if (dep[u] < dep[v])
{
std::swap(u, v);
}
if (dep[u] == dep[v])
{
dep[v]++;
}
par[u] = v;
d[v] = 0;
for (int i = 1 ; i <= n ; ++i)
{
if (isPresent[u][i])
{
isPresent[i][u] = 0;
isPresent[i][v] = 1;
}
}
for (int i = 1 ; i <= n ; ++i)
{
isPresent[v][i] |= isPresent[u][i];
d[v] += isPresent[v][i];
}
d[v] -= isPresent[v][u];
isPresent[v][u] = false;
}
};
DSU dsu;
bool vis[MAXN];
bool dfs(int node, int v)
{
if (node == v || dsu.isPresent[node][v])
{
return true;
}
vis[node] = true;
for (int u = 1 ; u <= n ; ++u)
{
if (vis[u] || !dsu.isPresent[node][u])
{
continue;
}
if (dfs(u, v))
{
return true;
}
}
return false;
}
void initialize(int N)
{
n = N;
dsu.build();
for (int i = 1 ; i <= n ; ++i)
{
d[i] = n - 1;
}
}
int cntRemoved = 0;
int hasEdge(int u, int v)
{
u++; v++;
u = dsu.find(u);
v = dsu.find(v);
std::fill(vis + 1, vis + 1 + n, false);
dsu.isPresent[u][v] = false;
dsu.isPresent[v][u] = false;
cntRemoved++;
int cntOne = 0;
int cntTwo = 0;
for (int i = 1 ; i <= n ; ++i)
{
if (dsu.isPresent[u][i] && dsu.isPresent[v][i])
{
d[u]--;
d[v]--;
return 0;
}
cntOne += dsu.isPresent[u][i] - 1;
cntTwo += dsu.isPresent[v][i] - 1;
}
if (cntOne * cntTwo / 4 > cntRemoved)
{
d[u]--;
d[v]--;
return 0;
}
if (d[u] > 1 && d[v] > 1 && cntRemoved < d[u] * d[v])
{
d[u]--;
d[v]--;
return 0;
}
cntRemoved--;
dsu.connect(u, v);
return 1;
}
# |
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 |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
308 KB |
Output is correct |
6 |
Correct |
1 ms |
308 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
304 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
240 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 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 |
308 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
308 KB |
Output is correct |
22 |
Correct |
0 ms |
212 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
484 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
0 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
596 KB |
Output is correct |
35 |
Correct |
1 ms |
596 KB |
Output is correct |
36 |
Correct |
1 ms |
596 KB |
Output is correct |
37 |
Correct |
1 ms |
596 KB |
Output is correct |
38 |
Correct |
1 ms |
596 KB |
Output is correct |
39 |
Correct |
1 ms |
596 KB |
Output is correct |
40 |
Correct |
2 ms |
596 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
596 KB |
Output is correct |
44 |
Correct |
1 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
596 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
672 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
1 ms |
596 KB |
Output is correct |
54 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
0 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
0 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
0 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
0 ms |
340 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
0 ms |
340 KB |
Output is correct |
32 |
Correct |
0 ms |
340 KB |
Output is correct |
33 |
Correct |
0 ms |
340 KB |
Output is correct |
34 |
Correct |
2 ms |
596 KB |
Output is correct |
35 |
Correct |
2 ms |
596 KB |
Output is correct |
36 |
Correct |
1 ms |
596 KB |
Output is correct |
37 |
Correct |
2 ms |
592 KB |
Output is correct |
38 |
Correct |
1 ms |
596 KB |
Output is correct |
39 |
Correct |
1 ms |
596 KB |
Output is correct |
40 |
Correct |
1 ms |
596 KB |
Output is correct |
41 |
Correct |
1 ms |
596 KB |
Output is correct |
42 |
Correct |
1 ms |
596 KB |
Output is correct |
43 |
Correct |
1 ms |
596 KB |
Output is correct |
44 |
Correct |
2 ms |
596 KB |
Output is correct |
45 |
Correct |
1 ms |
596 KB |
Output is correct |
46 |
Correct |
1 ms |
596 KB |
Output is correct |
47 |
Correct |
1 ms |
596 KB |
Output is correct |
48 |
Correct |
1 ms |
596 KB |
Output is correct |
49 |
Correct |
1 ms |
596 KB |
Output is correct |
50 |
Correct |
1 ms |
596 KB |
Output is correct |
51 |
Correct |
1 ms |
596 KB |
Output is correct |
52 |
Correct |
1 ms |
596 KB |
Output is correct |
53 |
Correct |
1 ms |
620 KB |
Output is correct |
54 |
Correct |
2 ms |
596 KB |
Output is correct |
55 |
Correct |
36 ms |
3404 KB |
Output is correct |
56 |
Correct |
36 ms |
3304 KB |
Output is correct |
57 |
Correct |
35 ms |
3356 KB |
Output is correct |
58 |
Correct |
35 ms |
3452 KB |
Output is correct |
59 |
Correct |
44 ms |
3384 KB |
Output is correct |
60 |
Correct |
38 ms |
3288 KB |
Output is correct |
61 |
Correct |
37 ms |
3332 KB |
Output is correct |
62 |
Correct |
40 ms |
3404 KB |
Output is correct |
63 |
Correct |
37 ms |
3336 KB |
Output is correct |
64 |
Correct |
56 ms |
3360 KB |
Output is correct |
65 |
Correct |
34 ms |
3388 KB |
Output is correct |
66 |
Correct |
34 ms |
3320 KB |
Output is correct |
67 |
Correct |
33 ms |
3344 KB |
Output is correct |
68 |
Correct |
33 ms |
3380 KB |
Output is correct |
69 |
Correct |
38 ms |
3324 KB |
Output is correct |
70 |
Correct |
35 ms |
3388 KB |
Output is correct |
71 |
Correct |
44 ms |
3336 KB |
Output is correct |
72 |
Correct |
46 ms |
3400 KB |
Output is correct |
73 |
Correct |
58 ms |
3304 KB |
Output is correct |
74 |
Correct |
60 ms |
3324 KB |
Output is correct |
75 |
Correct |
54 ms |
3404 KB |
Output is correct |
76 |
Correct |
95 ms |
5780 KB |
Output is correct |
77 |
Correct |
91 ms |
5776 KB |
Output is correct |
78 |
Correct |
85 ms |
5752 KB |
Output is correct |
79 |
Correct |
87 ms |
5732 KB |
Output is correct |
80 |
Correct |
84 ms |
5768 KB |
Output is correct |
81 |
Correct |
82 ms |
5736 KB |
Output is correct |
82 |
Correct |
88 ms |
5700 KB |
Output is correct |
83 |
Correct |
93 ms |
5764 KB |
Output is correct |
84 |
Correct |
82 ms |
5808 KB |
Output is correct |
85 |
Correct |
147 ms |
8416 KB |
Output is correct |
86 |
Correct |
147 ms |
8356 KB |
Output is correct |
87 |
Correct |
143 ms |
8400 KB |
Output is correct |
88 |
Correct |
152 ms |
12364 KB |
Output is correct |
89 |
Correct |
146 ms |
12424 KB |
Output is correct |
90 |
Correct |
145 ms |
12380 KB |
Output is correct |
91 |
Correct |
147 ms |
12408 KB |
Output is correct |
92 |
Correct |
192 ms |
12332 KB |
Output is correct |
93 |
Correct |
145 ms |
12408 KB |
Output is correct |
94 |
Correct |
364 ms |
23632 KB |
Output is correct |
95 |
Correct |
349 ms |
23728 KB |
Output is correct |
96 |
Correct |
347 ms |
23608 KB |
Output is correct |
97 |
Correct |
337 ms |
23708 KB |
Output is correct |
98 |
Correct |
371 ms |
23600 KB |
Output is correct |
99 |
Correct |
349 ms |
23812 KB |
Output is correct |
100 |
Correct |
341 ms |
23616 KB |
Output is correct |