#include <bits/stdc++.h>
using namespace std;
#define nl "\n"
#define nf endl
#define ll int
#define pb push_back
#define _ << ' ' <<
#define INF (ll)1e9
#define mod 998244353
#define maxn 1000010
ll i, i1, j, k, k1, t, n, m, res, flag[10], a, b;
ll ms[5], status;
vector<array<ll, 2>> el;
struct graph {
ll dg[maxn], cn3, cyc, pr[maxn], sz[maxn];
vector<ll> adj[maxn];
graph() {
ll i;
for (i = 1; i <= n; i++) {
dg[i] = 0; pr[i] = i; sz[i] = 1;
}
cn3 = 0; cyc = 0;
}
ll find(ll x) {
if (x == pr[x]) return x;
return pr[x] = find(pr[x]);
}
bool same(ll a, ll b) {
return (find(a) == find(b));
}
void onion(ll a, ll b) {
a = find(a); b = find(b);
if (a == b) {
cyc++; res = sz[a]; return;
}
if (sz[a] < sz[b]) swap(a, b);
pr[b] = a; sz[a] += sz[b];
}
void upd(ll p, ll x) {
cn3 -= (dg[p] >= 3);
dg[p] += x;
cn3 += (dg[p] >= 3);
}
};
vector<graph> gr;
void ins(ll p, ll a, ll b) {
if (ms[p] == a || ms[p] == b) return;
gr[p].upd(a, 1); gr[p].upd(b, 1);
if (p == 0) gr[p].adj[a].pb(b), gr[p].adj[b].pb(a);
gr[p].onion(a, b);
}
void Init(int N_) {
n = N_;
gr.resize(5);
// gr[0] = graph(); gr[1] = graph(); gr[2] = graph(); gr[3] = graph(); gr[4] = graph();
}
void Link(int A, int B) {
a = A + 1; b = B + 1;
el.pb({a, b});
if (status == 0) ins(0, a, b);
else if (status == 2) ins(1, a, b);
else for (i = 0; i <= 4; i++) ins(i, a, b);
if (status == 0) {
if (gr[0].dg[b] >= 3) swap(a, b);
if (gr[0].dg[a] >= 3) {
status = 1;
ms[1] = a; ms[2] = gr[0].adj[a][0]; ms[3] = gr[0].adj[a][1]; ms[4] = gr[0].adj[a][2];
gr.resize(1);
gr.resize(5);
// gr[1] = graph(); gr[2] = graph(); gr[3] = graph(); gr[4] = graph();
for (auto [x, y] : el) {
for (i = 1; i <= 4; i++) ins(i, x, y);
}
}
}
if (gr[0].dg[a] == 4 || gr[0].dg[b] == 4) status = 2;
}
int CountCritical() {
// cout << "status =" _ status _ gr[0].cyc << nl;
if (status == 0) {
if (gr[0].cyc == 0) return n;
if (gr[0].cyc == 1) return res;
return 0;
}
res = 0;
for (i = 1; i <= 4; i++) {
if (gr[i].cyc + gr[i].cn3 == 0) res++;
}
return res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
117708 KB |
Output is correct |
2 |
Correct |
76 ms |
118216 KB |
Output is correct |
3 |
Correct |
69 ms |
118252 KB |
Output is correct |
4 |
Correct |
53 ms |
117832 KB |
Output is correct |
5 |
Correct |
59 ms |
118088 KB |
Output is correct |
6 |
Correct |
60 ms |
118392 KB |
Output is correct |
7 |
Correct |
84 ms |
118112 KB |
Output is correct |
8 |
Correct |
55 ms |
118192 KB |
Output is correct |
9 |
Correct |
72 ms |
118364 KB |
Output is correct |
10 |
Correct |
82 ms |
118320 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
414 ms |
168632 KB |
Output is correct |
2 |
Correct |
722 ms |
188088 KB |
Output is correct |
3 |
Correct |
502 ms |
185396 KB |
Output is correct |
4 |
Correct |
1054 ms |
215420 KB |
Output is correct |
5 |
Correct |
1018 ms |
215612 KB |
Output is correct |
6 |
Correct |
1012 ms |
213872 KB |
Output is correct |
7 |
Correct |
556 ms |
185988 KB |
Output is correct |
8 |
Correct |
1604 ms |
210064 KB |
Output is correct |
9 |
Correct |
1682 ms |
216352 KB |
Output is correct |
10 |
Correct |
713 ms |
214116 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
117708 KB |
Output is correct |
2 |
Correct |
76 ms |
118216 KB |
Output is correct |
3 |
Correct |
69 ms |
118252 KB |
Output is correct |
4 |
Correct |
53 ms |
117832 KB |
Output is correct |
5 |
Correct |
59 ms |
118088 KB |
Output is correct |
6 |
Correct |
60 ms |
118392 KB |
Output is correct |
7 |
Correct |
84 ms |
118112 KB |
Output is correct |
8 |
Correct |
55 ms |
118192 KB |
Output is correct |
9 |
Correct |
72 ms |
118364 KB |
Output is correct |
10 |
Correct |
82 ms |
118320 KB |
Output is correct |
11 |
Correct |
75 ms |
118284 KB |
Output is correct |
12 |
Correct |
83 ms |
118788 KB |
Output is correct |
13 |
Correct |
82 ms |
118828 KB |
Output is correct |
14 |
Correct |
76 ms |
118512 KB |
Output is correct |
15 |
Correct |
94 ms |
119076 KB |
Output is correct |
16 |
Correct |
59 ms |
118776 KB |
Output is correct |
17 |
Correct |
79 ms |
118776 KB |
Output is correct |
18 |
Correct |
93 ms |
119336 KB |
Output is correct |
19 |
Correct |
74 ms |
118920 KB |
Output is correct |
20 |
Correct |
81 ms |
118924 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
117708 KB |
Output is correct |
2 |
Correct |
76 ms |
118216 KB |
Output is correct |
3 |
Correct |
69 ms |
118252 KB |
Output is correct |
4 |
Correct |
53 ms |
117832 KB |
Output is correct |
5 |
Correct |
59 ms |
118088 KB |
Output is correct |
6 |
Correct |
60 ms |
118392 KB |
Output is correct |
7 |
Correct |
84 ms |
118112 KB |
Output is correct |
8 |
Correct |
55 ms |
118192 KB |
Output is correct |
9 |
Correct |
72 ms |
118364 KB |
Output is correct |
10 |
Correct |
82 ms |
118320 KB |
Output is correct |
11 |
Correct |
75 ms |
118284 KB |
Output is correct |
12 |
Correct |
83 ms |
118788 KB |
Output is correct |
13 |
Correct |
82 ms |
118828 KB |
Output is correct |
14 |
Correct |
76 ms |
118512 KB |
Output is correct |
15 |
Correct |
94 ms |
119076 KB |
Output is correct |
16 |
Correct |
59 ms |
118776 KB |
Output is correct |
17 |
Correct |
79 ms |
118776 KB |
Output is correct |
18 |
Correct |
93 ms |
119336 KB |
Output is correct |
19 |
Correct |
74 ms |
118920 KB |
Output is correct |
20 |
Correct |
81 ms |
118924 KB |
Output is correct |
21 |
Correct |
78 ms |
122004 KB |
Output is correct |
22 |
Correct |
84 ms |
124356 KB |
Output is correct |
23 |
Correct |
98 ms |
126192 KB |
Output is correct |
24 |
Correct |
105 ms |
123948 KB |
Output is correct |
25 |
Correct |
89 ms |
123888 KB |
Output is correct |
26 |
Correct |
97 ms |
124220 KB |
Output is correct |
27 |
Correct |
108 ms |
126096 KB |
Output is correct |
28 |
Correct |
139 ms |
126528 KB |
Output is correct |
29 |
Correct |
114 ms |
124580 KB |
Output is correct |
30 |
Correct |
104 ms |
127380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
54 ms |
117708 KB |
Output is correct |
2 |
Correct |
76 ms |
118216 KB |
Output is correct |
3 |
Correct |
69 ms |
118252 KB |
Output is correct |
4 |
Correct |
53 ms |
117832 KB |
Output is correct |
5 |
Correct |
59 ms |
118088 KB |
Output is correct |
6 |
Correct |
60 ms |
118392 KB |
Output is correct |
7 |
Correct |
84 ms |
118112 KB |
Output is correct |
8 |
Correct |
55 ms |
118192 KB |
Output is correct |
9 |
Correct |
72 ms |
118364 KB |
Output is correct |
10 |
Correct |
82 ms |
118320 KB |
Output is correct |
11 |
Correct |
414 ms |
168632 KB |
Output is correct |
12 |
Correct |
722 ms |
188088 KB |
Output is correct |
13 |
Correct |
502 ms |
185396 KB |
Output is correct |
14 |
Correct |
1054 ms |
215420 KB |
Output is correct |
15 |
Correct |
1018 ms |
215612 KB |
Output is correct |
16 |
Correct |
1012 ms |
213872 KB |
Output is correct |
17 |
Correct |
556 ms |
185988 KB |
Output is correct |
18 |
Correct |
1604 ms |
210064 KB |
Output is correct |
19 |
Correct |
1682 ms |
216352 KB |
Output is correct |
20 |
Correct |
713 ms |
214116 KB |
Output is correct |
21 |
Correct |
75 ms |
118284 KB |
Output is correct |
22 |
Correct |
83 ms |
118788 KB |
Output is correct |
23 |
Correct |
82 ms |
118828 KB |
Output is correct |
24 |
Correct |
76 ms |
118512 KB |
Output is correct |
25 |
Correct |
94 ms |
119076 KB |
Output is correct |
26 |
Correct |
59 ms |
118776 KB |
Output is correct |
27 |
Correct |
79 ms |
118776 KB |
Output is correct |
28 |
Correct |
93 ms |
119336 KB |
Output is correct |
29 |
Correct |
74 ms |
118920 KB |
Output is correct |
30 |
Correct |
81 ms |
118924 KB |
Output is correct |
31 |
Correct |
78 ms |
122004 KB |
Output is correct |
32 |
Correct |
84 ms |
124356 KB |
Output is correct |
33 |
Correct |
98 ms |
126192 KB |
Output is correct |
34 |
Correct |
105 ms |
123948 KB |
Output is correct |
35 |
Correct |
89 ms |
123888 KB |
Output is correct |
36 |
Correct |
97 ms |
124220 KB |
Output is correct |
37 |
Correct |
108 ms |
126096 KB |
Output is correct |
38 |
Correct |
139 ms |
126528 KB |
Output is correct |
39 |
Correct |
114 ms |
124580 KB |
Output is correct |
40 |
Correct |
104 ms |
127380 KB |
Output is correct |
41 |
Correct |
244 ms |
158140 KB |
Output is correct |
42 |
Correct |
766 ms |
187152 KB |
Output is correct |
43 |
Correct |
271 ms |
175268 KB |
Output is correct |
44 |
Correct |
428 ms |
181376 KB |
Output is correct |
45 |
Correct |
552 ms |
190332 KB |
Output is correct |
46 |
Correct |
662 ms |
199452 KB |
Output is correct |
47 |
Correct |
839 ms |
201176 KB |
Output is correct |
48 |
Correct |
386 ms |
183672 KB |
Output is correct |
49 |
Correct |
667 ms |
208472 KB |
Output is correct |
50 |
Correct |
747 ms |
207280 KB |
Output is correct |
51 |
Correct |
275 ms |
167612 KB |
Output is correct |
52 |
Correct |
796 ms |
190468 KB |
Output is correct |
53 |
Correct |
345 ms |
183824 KB |
Output is correct |
54 |
Correct |
1514 ms |
197708 KB |
Output is correct |
55 |
Correct |
536 ms |
179212 KB |
Output is correct |