#include "split.h"
#include <vector>
#include <algorithm>
#include <iostream>
using namespace std;
vector<int> ans, disc, low, sz, par;
vector<int> adj[100005], adj_st[100005];
pair<int, int> a[3];
int n, m, A, B, C, timer = 0;
void init(){
a[0] = {A, 1}; a[1] = {B, 2}; a[2] = {C, 3};
sort(a, a + 3);
disc.assign(n, 0); low.assign(n, 0);
sz.resize(n); par.resize(n, -1);
ans.assign(n, a[2].second);
}
void dfs(int nw){
sz[nw] = 1;
disc[nw] = low[nw] = ++timer;
for(int nx : adj[nw]){
if(nx != par[nw]){
if(!low[nx]){
par[nx] = nw; dfs(nx);
sz[nw] += sz[nx];
low[nw] = min(low[nw], low[nx]);
adj_st[nw].push_back(nx);
}else{
low[nw] = min(low[nw], disc[nx]);
}
}
}
return;
}
int cnt, col;
void fill_ans(int nw, int tp){
cnt --; ans[nw] = col;
if(!tp){
for(int nx : adj_st[nw])
if(cnt) fill_ans(nx, tp);
}else{
for(int nx : adj[nw])
if(cnt && ans[nx] == a[2].second) fill_ans(nx, tp);
}
}
vector<int> find_split(int N, int _A, int _B, int _C, vector<int> P, vector<int> Q){
n = N; m = P.size();
A = _A, B = _B, C = _C;
init();
for(int i = 0; i < m; i ++){
adj[P[i]].push_back(Q[i]);
adj[Q[i]].push_back(P[i]);
}
par[0] = -1;
dfs(0);
int rt = 0;
for(;;){
bool found = true;
for(int nx : adj_st[rt]){
if(sz[nx] >= a[0].first){
found = false;
rt = nx; break;
}
}
if(found) break;
}
if(sz[rt] + a[1].first <= n){
cnt = a[0].first, col = a[0].second;
fill_ans(rt, 0);
cnt = a[1].first, col = a[1].second;
fill_ans(par[rt], 1);
}else{
cnt = a[1].first, col = a[1].second;
ans[rt] = col; cnt --;
for(int nx : adj_st[rt])
if(cnt && low[nx] < disc[rt]) //prioritize
fill_ans(nx, 0);
for(int nx : adj_st[rt])
if(cnt && low[nx] >= disc[rt])
fill_ans(nx, 0);
cnt = a[0].first, col = a[0].second;
if(par[rt] != -1) fill_ans(par[rt], 1);
if(cnt) ans = vector<int> (n, 0);
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
ok, correct split |
2 |
Correct |
3 ms |
4992 KB |
ok, correct split |
3 |
Correct |
3 ms |
4992 KB |
ok, correct split |
4 |
Correct |
3 ms |
4992 KB |
ok, correct split |
5 |
Correct |
3 ms |
4992 KB |
ok, correct split |
6 |
Correct |
3 ms |
4992 KB |
ok, correct split |
7 |
Correct |
127 ms |
23800 KB |
ok, correct split |
8 |
Correct |
105 ms |
21580 KB |
ok, correct split |
9 |
Correct |
107 ms |
20856 KB |
ok, correct split |
10 |
Correct |
107 ms |
24276 KB |
ok, correct split |
11 |
Correct |
106 ms |
24184 KB |
ok, correct split |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
ok, correct split |
2 |
Correct |
3 ms |
4992 KB |
ok, correct split |
3 |
Correct |
3 ms |
4992 KB |
ok, correct split |
4 |
Correct |
124 ms |
20600 KB |
ok, correct split |
5 |
Correct |
90 ms |
14968 KB |
ok, correct split |
6 |
Correct |
119 ms |
24184 KB |
ok, correct split |
7 |
Correct |
118 ms |
21368 KB |
ok, correct split |
8 |
Correct |
147 ms |
18680 KB |
ok, correct split |
9 |
Correct |
102 ms |
16504 KB |
ok, correct split |
10 |
Correct |
57 ms |
13808 KB |
ok, correct split |
11 |
Correct |
60 ms |
13808 KB |
ok, correct split |
12 |
Correct |
62 ms |
14192 KB |
ok, correct split |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
ok, correct split |
2 |
Correct |
99 ms |
14932 KB |
ok, correct split |
3 |
Correct |
33 ms |
8960 KB |
ok, correct split |
4 |
Correct |
3 ms |
4992 KB |
ok, correct split |
5 |
Correct |
108 ms |
19064 KB |
ok, correct split |
6 |
Correct |
125 ms |
18776 KB |
ok, correct split |
7 |
Correct |
125 ms |
18552 KB |
ok, correct split |
8 |
Correct |
109 ms |
19832 KB |
ok, correct split |
9 |
Correct |
116 ms |
18296 KB |
ok, correct split |
10 |
Correct |
29 ms |
8316 KB |
ok, no valid answer |
11 |
Correct |
42 ms |
9976 KB |
ok, no valid answer |
12 |
Correct |
74 ms |
14444 KB |
ok, no valid answer |
13 |
Correct |
109 ms |
14840 KB |
ok, no valid answer |
14 |
Correct |
61 ms |
14196 KB |
ok, no valid answer |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
ok, correct split |
2 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
3 |
Correct |
3 ms |
4992 KB |
ok, correct split |
4 |
Correct |
3 ms |
4992 KB |
ok, correct split |
5 |
Correct |
3 ms |
4992 KB |
ok, correct split |
6 |
Correct |
3 ms |
4992 KB |
ok, correct split |
7 |
Correct |
3 ms |
4992 KB |
ok, correct split |
8 |
Correct |
4 ms |
4992 KB |
ok, correct split |
9 |
Correct |
6 ms |
5376 KB |
ok, correct split |
10 |
Correct |
6 ms |
5376 KB |
ok, correct split |
11 |
Correct |
4 ms |
4992 KB |
ok, correct split |
12 |
Correct |
5 ms |
5376 KB |
ok, correct split |
13 |
Correct |
3 ms |
4992 KB |
ok, correct split |
14 |
Correct |
3 ms |
4992 KB |
ok, correct split |
15 |
Correct |
4 ms |
4992 KB |
ok, correct split |
16 |
Correct |
4 ms |
4992 KB |
ok, correct split |
17 |
Correct |
3 ms |
4992 KB |
ok, correct split |
18 |
Correct |
4 ms |
4992 KB |
ok, correct split |
19 |
Correct |
3 ms |
5120 KB |
ok, correct split |
20 |
Correct |
4 ms |
5120 KB |
ok, correct split |
21 |
Correct |
5 ms |
5376 KB |
ok, correct split |
22 |
Correct |
7 ms |
5376 KB |
ok, correct split |
23 |
Correct |
5 ms |
5376 KB |
ok, correct split |
24 |
Correct |
5 ms |
5376 KB |
ok, correct split |
25 |
Correct |
7 ms |
5376 KB |
ok, correct split |
26 |
Correct |
5 ms |
5376 KB |
ok, correct split |
27 |
Correct |
5 ms |
5376 KB |
ok, correct split |
28 |
Correct |
7 ms |
5248 KB |
ok, correct split |
29 |
Correct |
4 ms |
4992 KB |
ok, correct split |
30 |
Correct |
5 ms |
5376 KB |
ok, correct split |
31 |
Correct |
4 ms |
5120 KB |
ok, correct split |
32 |
Correct |
3 ms |
4992 KB |
ok, correct split |
33 |
Correct |
3 ms |
4992 KB |
ok, correct split |
34 |
Correct |
5 ms |
5248 KB |
ok, correct split |
35 |
Correct |
5 ms |
5376 KB |
ok, correct split |
36 |
Correct |
5 ms |
5248 KB |
ok, correct split |
37 |
Correct |
6 ms |
5376 KB |
ok, correct split |
38 |
Correct |
5 ms |
5376 KB |
ok, correct split |
39 |
Correct |
6 ms |
5376 KB |
ok, correct split |
40 |
Correct |
6 ms |
5504 KB |
ok, correct split |
41 |
Correct |
4 ms |
5120 KB |
ok, correct split |
42 |
Correct |
4 ms |
5120 KB |
ok, correct split |
43 |
Correct |
6 ms |
5376 KB |
ok, correct split |
44 |
Correct |
5 ms |
5376 KB |
ok, correct split |
45 |
Correct |
5 ms |
5376 KB |
ok, correct split |
46 |
Correct |
5 ms |
5376 KB |
ok, correct split |
47 |
Correct |
5 ms |
5376 KB |
ok, no valid answer |
48 |
Correct |
5 ms |
5248 KB |
ok, correct split |
49 |
Correct |
5 ms |
5376 KB |
ok, correct split |
50 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
51 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
52 |
Correct |
5 ms |
5248 KB |
ok, no valid answer |
53 |
Correct |
6 ms |
5376 KB |
ok, no valid answer |
54 |
Correct |
4 ms |
5248 KB |
ok, no valid answer |
55 |
Correct |
5 ms |
5376 KB |
ok, no valid answer |
56 |
Correct |
5 ms |
5248 KB |
ok, no valid answer |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
4992 KB |
ok, correct split |
2 |
Correct |
3 ms |
4992 KB |
ok, correct split |
3 |
Correct |
3 ms |
4992 KB |
ok, correct split |
4 |
Correct |
3 ms |
4992 KB |
ok, correct split |
5 |
Correct |
3 ms |
4992 KB |
ok, correct split |
6 |
Correct |
3 ms |
4992 KB |
ok, correct split |
7 |
Correct |
127 ms |
23800 KB |
ok, correct split |
8 |
Correct |
105 ms |
21580 KB |
ok, correct split |
9 |
Correct |
107 ms |
20856 KB |
ok, correct split |
10 |
Correct |
107 ms |
24276 KB |
ok, correct split |
11 |
Correct |
106 ms |
24184 KB |
ok, correct split |
12 |
Correct |
3 ms |
4992 KB |
ok, correct split |
13 |
Correct |
3 ms |
4992 KB |
ok, correct split |
14 |
Correct |
3 ms |
4992 KB |
ok, correct split |
15 |
Correct |
124 ms |
20600 KB |
ok, correct split |
16 |
Correct |
90 ms |
14968 KB |
ok, correct split |
17 |
Correct |
119 ms |
24184 KB |
ok, correct split |
18 |
Correct |
118 ms |
21368 KB |
ok, correct split |
19 |
Correct |
147 ms |
18680 KB |
ok, correct split |
20 |
Correct |
102 ms |
16504 KB |
ok, correct split |
21 |
Correct |
57 ms |
13808 KB |
ok, correct split |
22 |
Correct |
60 ms |
13808 KB |
ok, correct split |
23 |
Correct |
62 ms |
14192 KB |
ok, correct split |
24 |
Correct |
3 ms |
4992 KB |
ok, correct split |
25 |
Correct |
99 ms |
14932 KB |
ok, correct split |
26 |
Correct |
33 ms |
8960 KB |
ok, correct split |
27 |
Correct |
3 ms |
4992 KB |
ok, correct split |
28 |
Correct |
108 ms |
19064 KB |
ok, correct split |
29 |
Correct |
125 ms |
18776 KB |
ok, correct split |
30 |
Correct |
125 ms |
18552 KB |
ok, correct split |
31 |
Correct |
109 ms |
19832 KB |
ok, correct split |
32 |
Correct |
116 ms |
18296 KB |
ok, correct split |
33 |
Correct |
29 ms |
8316 KB |
ok, no valid answer |
34 |
Correct |
42 ms |
9976 KB |
ok, no valid answer |
35 |
Correct |
74 ms |
14444 KB |
ok, no valid answer |
36 |
Correct |
109 ms |
14840 KB |
ok, no valid answer |
37 |
Correct |
61 ms |
14196 KB |
ok, no valid answer |
38 |
Correct |
3 ms |
4992 KB |
ok, correct split |
39 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
40 |
Correct |
3 ms |
4992 KB |
ok, correct split |
41 |
Correct |
3 ms |
4992 KB |
ok, correct split |
42 |
Correct |
3 ms |
4992 KB |
ok, correct split |
43 |
Correct |
3 ms |
4992 KB |
ok, correct split |
44 |
Correct |
3 ms |
4992 KB |
ok, correct split |
45 |
Correct |
4 ms |
4992 KB |
ok, correct split |
46 |
Correct |
6 ms |
5376 KB |
ok, correct split |
47 |
Correct |
6 ms |
5376 KB |
ok, correct split |
48 |
Correct |
4 ms |
4992 KB |
ok, correct split |
49 |
Correct |
5 ms |
5376 KB |
ok, correct split |
50 |
Correct |
3 ms |
4992 KB |
ok, correct split |
51 |
Correct |
3 ms |
4992 KB |
ok, correct split |
52 |
Correct |
4 ms |
4992 KB |
ok, correct split |
53 |
Correct |
4 ms |
4992 KB |
ok, correct split |
54 |
Correct |
3 ms |
4992 KB |
ok, correct split |
55 |
Correct |
4 ms |
4992 KB |
ok, correct split |
56 |
Correct |
3 ms |
5120 KB |
ok, correct split |
57 |
Correct |
4 ms |
5120 KB |
ok, correct split |
58 |
Correct |
5 ms |
5376 KB |
ok, correct split |
59 |
Correct |
7 ms |
5376 KB |
ok, correct split |
60 |
Correct |
5 ms |
5376 KB |
ok, correct split |
61 |
Correct |
5 ms |
5376 KB |
ok, correct split |
62 |
Correct |
7 ms |
5376 KB |
ok, correct split |
63 |
Correct |
5 ms |
5376 KB |
ok, correct split |
64 |
Correct |
5 ms |
5376 KB |
ok, correct split |
65 |
Correct |
7 ms |
5248 KB |
ok, correct split |
66 |
Correct |
4 ms |
4992 KB |
ok, correct split |
67 |
Correct |
5 ms |
5376 KB |
ok, correct split |
68 |
Correct |
4 ms |
5120 KB |
ok, correct split |
69 |
Correct |
3 ms |
4992 KB |
ok, correct split |
70 |
Correct |
3 ms |
4992 KB |
ok, correct split |
71 |
Correct |
5 ms |
5248 KB |
ok, correct split |
72 |
Correct |
5 ms |
5376 KB |
ok, correct split |
73 |
Correct |
5 ms |
5248 KB |
ok, correct split |
74 |
Correct |
6 ms |
5376 KB |
ok, correct split |
75 |
Correct |
5 ms |
5376 KB |
ok, correct split |
76 |
Correct |
6 ms |
5376 KB |
ok, correct split |
77 |
Correct |
6 ms |
5504 KB |
ok, correct split |
78 |
Correct |
4 ms |
5120 KB |
ok, correct split |
79 |
Correct |
4 ms |
5120 KB |
ok, correct split |
80 |
Correct |
6 ms |
5376 KB |
ok, correct split |
81 |
Correct |
5 ms |
5376 KB |
ok, correct split |
82 |
Correct |
5 ms |
5376 KB |
ok, correct split |
83 |
Correct |
5 ms |
5376 KB |
ok, correct split |
84 |
Correct |
5 ms |
5376 KB |
ok, no valid answer |
85 |
Correct |
5 ms |
5248 KB |
ok, correct split |
86 |
Correct |
5 ms |
5376 KB |
ok, correct split |
87 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
88 |
Correct |
3 ms |
4992 KB |
ok, no valid answer |
89 |
Correct |
5 ms |
5248 KB |
ok, no valid answer |
90 |
Correct |
6 ms |
5376 KB |
ok, no valid answer |
91 |
Correct |
4 ms |
5248 KB |
ok, no valid answer |
92 |
Correct |
5 ms |
5376 KB |
ok, no valid answer |
93 |
Correct |
5 ms |
5248 KB |
ok, no valid answer |
94 |
Correct |
117 ms |
18160 KB |
ok, correct split |
95 |
Correct |
164 ms |
23648 KB |
ok, correct split |
96 |
Correct |
152 ms |
21884 KB |
ok, correct split |
97 |
Correct |
32 ms |
8952 KB |
ok, correct split |
98 |
Correct |
33 ms |
9208 KB |
ok, correct split |
99 |
Correct |
56 ms |
11768 KB |
ok, correct split |
100 |
Correct |
148 ms |
19192 KB |
ok, correct split |
101 |
Correct |
131 ms |
18040 KB |
ok, correct split |
102 |
Correct |
133 ms |
17376 KB |
ok, correct split |
103 |
Correct |
116 ms |
17136 KB |
ok, correct split |
104 |
Correct |
107 ms |
17380 KB |
ok, correct split |
105 |
Correct |
57 ms |
11256 KB |
ok, correct split |
106 |
Correct |
108 ms |
17128 KB |
ok, correct split |
107 |
Correct |
101 ms |
14968 KB |
ok, correct split |
108 |
Correct |
108 ms |
14944 KB |
ok, correct split |
109 |
Correct |
171 ms |
18680 KB |
ok, correct split |
110 |
Correct |
162 ms |
19440 KB |
ok, correct split |
111 |
Correct |
152 ms |
19696 KB |
ok, correct split |
112 |
Correct |
137 ms |
18288 KB |
ok, correct split |
113 |
Correct |
144 ms |
18300 KB |
ok, correct split |
114 |
Correct |
15 ms |
6784 KB |
ok, correct split |
115 |
Correct |
14 ms |
6528 KB |
ok, correct split |
116 |
Correct |
142 ms |
19408 KB |
ok, correct split |
117 |
Correct |
144 ms |
19312 KB |
ok, correct split |
118 |
Correct |
102 ms |
16504 KB |
ok, correct split |
119 |
Correct |
106 ms |
16376 KB |
ok, correct split |
120 |
Correct |
106 ms |
20472 KB |
ok, correct split |
121 |
Correct |
93 ms |
15096 KB |
ok, no valid answer |
122 |
Correct |
84 ms |
14840 KB |
ok, no valid answer |
123 |
Correct |
150 ms |
19568 KB |
ok, no valid answer |
124 |
Correct |
147 ms |
19320 KB |
ok, no valid answer |
125 |
Correct |
91 ms |
15728 KB |
ok, no valid answer |
126 |
Correct |
54 ms |
13168 KB |
ok, no valid answer |
127 |
Correct |
108 ms |
16752 KB |
ok, no valid answer |