# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
776718 |
2023-07-08T07:47:57 Z |
ymm |
Cats or Dogs (JOI18_catdog) |
C++17 |
|
3000 ms |
12232 KB |
#include "catdog.h"
#include <bits/stdc++.h>
#define Loop(x, l, r) for (ll x = (l); x < (r); ++x)
typedef long long ll;
typedef std::pair<int,int> pii;
using namespace std;
const int N = 100'010;
int col[N], cntcol[N][3];
vector<int> A[N];
int cpar[N];
int cnt[N];
bool vis[N];
void dfs(int v, int p) {
cnt[v] = 1;
for (int u : A[v]) {
if (u == p || vis[u])
continue;
dfs(u, v);
cnt[v] += cnt[u];
}
}
int centroid(int v, int n)
{
for (int u : A[v]) {
if (vis[u] || cnt[u] > cnt[v])
continue;
if (cnt[u]*2 > n)
return centroid(u, n);
}
return v;
}
int decomp(int v)
{
dfs(v, -1);
v = centroid(v, cnt[v]);
vis[v] = 1;
for (int u : A[v]) {
if (vis[u])
continue;
u = decomp(u);
cpar[u] = v;
}
return v;
}
void dfsdard(int v, int p)
{
cpar[v] = p;
for (int u : A[v])
if (u != p)
dfsdard(u, v);
}
void initialize(int N, std::vector<int> V, std::vector<int> U) {
Loop (i,0,N-1) {
V[i]--; U[i]--;
A[V[i]].push_back(U[i]);
A[U[i]].push_back(V[i]);
}
dfsdard(0, -1);
//int rt = decomp(0);
//cpar[rt] = -1;
}
int calc(int v) { return col[v] == 0? min(cntcol[v][1], cntcol[v][2]): cntcol[v][3-col[v]]; }
int calccol(int v) {
if (col[v])
return col[v];
if (cntcol[v][1] < cntcol[v][2])
return 2;
if (cntcol[v][1] == cntcol[v][2])
return 0;
if (cntcol[v][1] > cntcol[v][2])
return 1;
assert(false);
}
int Ans = 0;
void ch(int v, int from, int to)
{
int c0 = calccol(v);
Ans -= calc(v);
cntcol[v][from]--;
cntcol[v][to]++;
Ans += calc(v);
int c1 = calccol(v);
if (cpar[v] != -1 && c0 != c1)
ch(cpar[v], c0, c1);
}
int cat(int v) {
--v;
int c0 = calccol(v);
Ans -= calc(v);
col[v] = 1;
Ans += calc(v);
int c1 = calccol(v);
if (cpar[v] != -1 && c0 != c1)
ch(cpar[v], c0, c1);
return Ans;
}
int dog(int v) {
--v;
int c0 = calccol(v);
Ans -= calc(v);
col[v] = 2;
Ans += calc(v);
int c1 = calccol(v);
if (cpar[v] != -1 && c0 != c1)
ch(cpar[v], c0, c1);
return Ans;
}
int neighbor(int v) {
--v;
int c0 = calccol(v);
Ans -= calc(v);
col[v] = 0;
Ans += calc(v);
int c1 = calccol(v);
if (cpar[v] != -1 && c0 != c1)
ch(cpar[v], c0, c1);
return Ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2672 KB |
Output is correct |
8 |
Correct |
2 ms |
2672 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
1 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2672 KB |
Output is correct |
8 |
Correct |
2 ms |
2672 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
1 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
1 ms |
2644 KB |
Output is correct |
21 |
Correct |
2 ms |
2676 KB |
Output is correct |
22 |
Correct |
2 ms |
2680 KB |
Output is correct |
23 |
Correct |
2 ms |
2644 KB |
Output is correct |
24 |
Correct |
2 ms |
2644 KB |
Output is correct |
25 |
Correct |
2 ms |
2644 KB |
Output is correct |
26 |
Correct |
2 ms |
2644 KB |
Output is correct |
27 |
Correct |
1 ms |
2644 KB |
Output is correct |
28 |
Correct |
1 ms |
2684 KB |
Output is correct |
29 |
Correct |
2 ms |
2684 KB |
Output is correct |
30 |
Correct |
2 ms |
2644 KB |
Output is correct |
31 |
Correct |
2 ms |
2676 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
2 ms |
2644 KB |
Output is correct |
3 |
Correct |
1 ms |
2644 KB |
Output is correct |
4 |
Correct |
2 ms |
2644 KB |
Output is correct |
5 |
Correct |
1 ms |
2644 KB |
Output is correct |
6 |
Correct |
1 ms |
2644 KB |
Output is correct |
7 |
Correct |
2 ms |
2672 KB |
Output is correct |
8 |
Correct |
2 ms |
2672 KB |
Output is correct |
9 |
Correct |
1 ms |
2644 KB |
Output is correct |
10 |
Correct |
1 ms |
2644 KB |
Output is correct |
11 |
Correct |
1 ms |
2644 KB |
Output is correct |
12 |
Correct |
2 ms |
2644 KB |
Output is correct |
13 |
Correct |
2 ms |
2644 KB |
Output is correct |
14 |
Correct |
1 ms |
2644 KB |
Output is correct |
15 |
Correct |
1 ms |
2644 KB |
Output is correct |
16 |
Correct |
2 ms |
2644 KB |
Output is correct |
17 |
Correct |
2 ms |
2644 KB |
Output is correct |
18 |
Correct |
2 ms |
2644 KB |
Output is correct |
19 |
Correct |
2 ms |
2644 KB |
Output is correct |
20 |
Correct |
1 ms |
2644 KB |
Output is correct |
21 |
Correct |
2 ms |
2676 KB |
Output is correct |
22 |
Correct |
2 ms |
2680 KB |
Output is correct |
23 |
Correct |
2 ms |
2644 KB |
Output is correct |
24 |
Correct |
2 ms |
2644 KB |
Output is correct |
25 |
Correct |
2 ms |
2644 KB |
Output is correct |
26 |
Correct |
2 ms |
2644 KB |
Output is correct |
27 |
Correct |
1 ms |
2644 KB |
Output is correct |
28 |
Correct |
1 ms |
2684 KB |
Output is correct |
29 |
Correct |
2 ms |
2684 KB |
Output is correct |
30 |
Correct |
2 ms |
2644 KB |
Output is correct |
31 |
Correct |
2 ms |
2676 KB |
Output is correct |
32 |
Correct |
2 ms |
2644 KB |
Output is correct |
33 |
Correct |
37 ms |
7988 KB |
Output is correct |
34 |
Correct |
28 ms |
7636 KB |
Output is correct |
35 |
Correct |
42 ms |
7004 KB |
Output is correct |
36 |
Correct |
56 ms |
11312 KB |
Output is correct |
37 |
Correct |
10 ms |
4944 KB |
Output is correct |
38 |
Correct |
61 ms |
12136 KB |
Output is correct |
39 |
Correct |
63 ms |
12188 KB |
Output is correct |
40 |
Correct |
64 ms |
12192 KB |
Output is correct |
41 |
Correct |
67 ms |
12176 KB |
Output is correct |
42 |
Correct |
65 ms |
12204 KB |
Output is correct |
43 |
Correct |
69 ms |
12156 KB |
Output is correct |
44 |
Correct |
74 ms |
12232 KB |
Output is correct |
45 |
Correct |
75 ms |
12124 KB |
Output is correct |
46 |
Correct |
64 ms |
12124 KB |
Output is correct |
47 |
Correct |
67 ms |
12132 KB |
Output is correct |
48 |
Correct |
35 ms |
8752 KB |
Output is correct |
49 |
Correct |
39 ms |
10020 KB |
Output is correct |
50 |
Correct |
13 ms |
4544 KB |
Output is correct |
51 |
Correct |
17 ms |
5624 KB |
Output is correct |
52 |
Correct |
8 ms |
4180 KB |
Output is correct |
53 |
Correct |
46 ms |
10464 KB |
Output is correct |
54 |
Correct |
26 ms |
6392 KB |
Output is correct |
55 |
Correct |
51 ms |
9708 KB |
Output is correct |
56 |
Correct |
34 ms |
7244 KB |
Output is correct |
57 |
Correct |
68 ms |
10588 KB |
Output is correct |
58 |
Correct |
13 ms |
5424 KB |
Output is correct |
59 |
Correct |
17 ms |
5504 KB |
Output is correct |
60 |
Correct |
41 ms |
9340 KB |
Output is correct |
61 |
Correct |
51 ms |
9752 KB |
Output is correct |
62 |
Correct |
47 ms |
7932 KB |
Output is correct |
63 |
Correct |
1548 ms |
7440 KB |
Output is correct |
64 |
Correct |
2802 ms |
8068 KB |
Output is correct |
65 |
Correct |
2499 ms |
11068 KB |
Output is correct |
66 |
Correct |
1606 ms |
5556 KB |
Output is correct |
67 |
Execution timed out |
3053 ms |
8772 KB |
Time limit exceeded |
68 |
Halted |
0 ms |
0 KB |
- |