#include "split.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> ii;
static vi answer;
static vi adj[100005];
static vi child[100005];
static vi tree[100005];
static int sz[100005];
static int p[100005];
static bool vis[100005];
void dfs(int u){
vis[u] = true;
sz[u] = 1;
for(int v : adj[u]){
if(!vis[v]){
child[u].push_back(v);
tree[u].push_back(v);
tree[v].push_back(u);
p[v] = u;
dfs(v);
sz[u] += sz[v];
}
}
}
void bfs(int root, int number){
if(number == 0) return;
queue<int> bf;
bf.push(root);
while(!bf.empty()){
int u = bf.front(); bf.pop();
for(int v : tree[u]){
if(answer[v] == 0){
answer[v] = answer[u];
number--;
if(number == 0) return;
bf.push(v);
}
}
}
}
vi find_split(int n, int aaa, int bbb, int ccc, vi p, vi q) {
vector<ii> v = {ii(aaa,1),ii(bbb,2),ii(ccc,3)};
sort(v.begin(),v.end());
int A = v[0].first;
int B = v[1].first;
int AColour = v[0].second;
int BColour = v[1].second;
int CColour = v[2].second;
answer.assign(n,0);
for(int i = 0;i < (int) p.size();i++){
int x = p[i], y = q[i];
adj[y].push_back(x);
adj[x].push_back(y);
}
dfs(0);
for(int u = 0;u < n;u++){
vector<ii> subtrees;
if(u != 0) subtrees.push_back({n-1,p[u]});
for(int v : child[u]){
subtrees.push_back({sz[v],v});
if(u != 0) subtrees[0].first -= sz[v];
}
for(ii x : subtrees){
if(x.first >= A && n - x.first >= B){
//cout << x.second << " " << u << "\n";
answer[x.second] = AColour;
answer[u] = BColour;
bfs(x.second, A-1);
bfs(u,B-1);
for(int i = 0;i < n;i++){
if(answer[i] == 0) answer[i] = CColour;
}
return answer;
}
}
}
return answer;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
7416 KB |
ok, correct split |
2 |
Correct |
8 ms |
7412 KB |
ok, correct split |
3 |
Correct |
8 ms |
7416 KB |
ok, correct split |
4 |
Correct |
8 ms |
7416 KB |
ok, correct split |
5 |
Correct |
8 ms |
7416 KB |
ok, correct split |
6 |
Correct |
8 ms |
7416 KB |
ok, correct split |
7 |
Correct |
161 ms |
26700 KB |
ok, correct split |
8 |
Correct |
145 ms |
24952 KB |
ok, correct split |
9 |
Correct |
154 ms |
24344 KB |
ok, correct split |
10 |
Correct |
151 ms |
27128 KB |
ok, correct split |
11 |
Correct |
165 ms |
27000 KB |
ok, correct split |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
7416 KB |
ok, correct split |
2 |
Correct |
8 ms |
7416 KB |
ok, correct split |
3 |
Correct |
8 ms |
7416 KB |
ok, correct split |
4 |
Correct |
158 ms |
24428 KB |
ok, correct split |
5 |
Correct |
135 ms |
19588 KB |
ok, correct split |
6 |
Correct |
149 ms |
27000 KB |
ok, correct split |
7 |
Correct |
152 ms |
24824 KB |
ok, correct split |
8 |
Correct |
186 ms |
23032 KB |
ok, correct split |
9 |
Correct |
149 ms |
20856 KB |
ok, correct split |
10 |
Correct |
93 ms |
19184 KB |
ok, correct split |
11 |
Incorrect |
128 ms |
19156 KB |
invalid split: #1=0, #2=49999, #3=50000 |
12 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
7416 KB |
ok, correct split |
2 |
Incorrect |
140 ms |
18368 KB |
invalid split: #1=9274, #2=40000, #3=50726 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
7288 KB |
ok, correct split |
2 |
Correct |
9 ms |
7416 KB |
ok, no valid answer |
3 |
Correct |
8 ms |
7348 KB |
ok, correct split |
4 |
Correct |
8 ms |
7416 KB |
ok, correct split |
5 |
Correct |
8 ms |
7420 KB |
ok, correct split |
6 |
Correct |
8 ms |
7416 KB |
ok, correct split |
7 |
Correct |
8 ms |
7416 KB |
ok, correct split |
8 |
Correct |
8 ms |
7416 KB |
ok, correct split |
9 |
Correct |
13 ms |
7800 KB |
ok, correct split |
10 |
Correct |
12 ms |
7800 KB |
ok, correct split |
11 |
Correct |
8 ms |
7416 KB |
ok, correct split |
12 |
Correct |
11 ms |
7800 KB |
ok, correct split |
13 |
Correct |
8 ms |
7416 KB |
ok, correct split |
14 |
Incorrect |
8 ms |
7408 KB |
invalid split: #1=6, #2=4, #3=0 |
15 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
8 ms |
7416 KB |
ok, correct split |
2 |
Correct |
8 ms |
7412 KB |
ok, correct split |
3 |
Correct |
8 ms |
7416 KB |
ok, correct split |
4 |
Correct |
8 ms |
7416 KB |
ok, correct split |
5 |
Correct |
8 ms |
7416 KB |
ok, correct split |
6 |
Correct |
8 ms |
7416 KB |
ok, correct split |
7 |
Correct |
161 ms |
26700 KB |
ok, correct split |
8 |
Correct |
145 ms |
24952 KB |
ok, correct split |
9 |
Correct |
154 ms |
24344 KB |
ok, correct split |
10 |
Correct |
151 ms |
27128 KB |
ok, correct split |
11 |
Correct |
165 ms |
27000 KB |
ok, correct split |
12 |
Correct |
8 ms |
7416 KB |
ok, correct split |
13 |
Correct |
8 ms |
7416 KB |
ok, correct split |
14 |
Correct |
8 ms |
7416 KB |
ok, correct split |
15 |
Correct |
158 ms |
24428 KB |
ok, correct split |
16 |
Correct |
135 ms |
19588 KB |
ok, correct split |
17 |
Correct |
149 ms |
27000 KB |
ok, correct split |
18 |
Correct |
152 ms |
24824 KB |
ok, correct split |
19 |
Correct |
186 ms |
23032 KB |
ok, correct split |
20 |
Correct |
149 ms |
20856 KB |
ok, correct split |
21 |
Correct |
93 ms |
19184 KB |
ok, correct split |
22 |
Incorrect |
128 ms |
19156 KB |
invalid split: #1=0, #2=49999, #3=50000 |
23 |
Halted |
0 ms |
0 KB |
- |