///~~~LOTA~~~///
#include <bits/stdc++.h>
using namespace std;
#define nl '\n'
#define ff first
#define ss second
#define ll long long
#define append push_back
#define all(x) (x).begin(),(x).end()
#define pii pair<int,int>
#define MAXN 1000001
int n,x;
int f[MAXN];
int par[MAXN];
vector<int> a[MAXN];
unordered_map<int,int> e,z,vis;
void dfs(int v,int u,vector<int>& vec){
vis[v]=1;
vec.append(v);
for(auto& i:a[v])
if(!vis[i])
dfs(i,u,vec);
if(vec.back()!=u) vec.pop_back();
}
int root(int v){
if(par[v]==v) return v;
par[v]=root(par[v]);
return par[v];
}
void join(int v,int u){
v=root(v);
u=root(u);
par[u]=v;
f[v]+=f[u];
}
bool same(int v,int u){
return (root(v)==root(u));
}
void Init(int u){
n=x=u;
for(int i=0;i<n;i++){
par[i]=i;
e[i]=1;
}
}
void Link(int v, int u){
if(!x) return;
if(!f[root(v)] && same(v,u)){
vector<int> vec;
dfs(v,u,vec);
vis.clear();
x=0;
for(auto& i:vec){
if(e[i]){
x++;
z[i]=e[i];
}
}
swap(e,z);
z.clear();
f[root(v)]==1;
}
a[v].append(u);
a[u].append(v);
join(v,u);
if(a[v].size()>3){
x=e[v];
e.clear();
e[v]=x;
}
if(a[u].size()>3){
x=e[u];
e.clear();
e[u]=x;
}
if(a[v].size()==3){
x=0;
if(e[v]){
x++;
z[v]=e[v];
}
for(auto& i:a[v]){
if(e[i]){
x++;
z[i]=e[i];
}
}
swap(e,z);
z.clear();
}
if(a[u].size()==3){
x=0;
if(e[u]){
x++;
z[u]=e[u];
}
for(auto& i:a[u]){
if(e[i]){
x++;
z[i]=e[i];
}
}
swap(e,z);
z.clear();
}
}
int CountCritical(){
return x;;
}
Compilation message
rings.cpp: In function 'void Link(int, int)':
rings.cpp:61:19: warning: value computed is not used [-Wunused-value]
61 | f[root(v)]==1;
| ~~~~~~~~~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
25180 KB |
Output is correct |
2 |
Correct |
8 ms |
25436 KB |
Output is correct |
3 |
Correct |
10 ms |
25704 KB |
Output is correct |
4 |
Correct |
8 ms |
25180 KB |
Output is correct |
5 |
Correct |
9 ms |
25692 KB |
Output is correct |
6 |
Correct |
12 ms |
25948 KB |
Output is correct |
7 |
Correct |
8 ms |
25480 KB |
Output is correct |
8 |
Correct |
9 ms |
25436 KB |
Output is correct |
9 |
Correct |
9 ms |
25612 KB |
Output is correct |
10 |
Correct |
11 ms |
25432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
380 ms |
67292 KB |
Output is correct |
2 |
Correct |
818 ms |
80500 KB |
Output is correct |
3 |
Correct |
213 ms |
74728 KB |
Output is correct |
4 |
Correct |
1016 ms |
105600 KB |
Output is correct |
5 |
Correct |
960 ms |
107944 KB |
Output is correct |
6 |
Correct |
1593 ms |
165888 KB |
Output is correct |
7 |
Correct |
209 ms |
74752 KB |
Output is correct |
8 |
Correct |
879 ms |
98276 KB |
Output is correct |
9 |
Correct |
983 ms |
104468 KB |
Output is correct |
10 |
Correct |
725 ms |
104096 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
25180 KB |
Output is correct |
2 |
Correct |
8 ms |
25436 KB |
Output is correct |
3 |
Correct |
10 ms |
25704 KB |
Output is correct |
4 |
Correct |
8 ms |
25180 KB |
Output is correct |
5 |
Correct |
9 ms |
25692 KB |
Output is correct |
6 |
Correct |
12 ms |
25948 KB |
Output is correct |
7 |
Correct |
8 ms |
25480 KB |
Output is correct |
8 |
Correct |
9 ms |
25436 KB |
Output is correct |
9 |
Correct |
9 ms |
25612 KB |
Output is correct |
10 |
Correct |
11 ms |
25432 KB |
Output is correct |
11 |
Correct |
8 ms |
25436 KB |
Output is correct |
12 |
Correct |
12 ms |
25988 KB |
Output is correct |
13 |
Correct |
10 ms |
25692 KB |
Output is correct |
14 |
Correct |
411 ms |
25692 KB |
Output is correct |
15 |
Correct |
617 ms |
26020 KB |
Output is correct |
16 |
Correct |
12 ms |
26020 KB |
Output is correct |
17 |
Correct |
12 ms |
25692 KB |
Output is correct |
18 |
Correct |
10 ms |
26200 KB |
Output is correct |
19 |
Correct |
11 ms |
25944 KB |
Output is correct |
20 |
Correct |
11 ms |
26200 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
25180 KB |
Output is correct |
2 |
Correct |
8 ms |
25436 KB |
Output is correct |
3 |
Correct |
10 ms |
25704 KB |
Output is correct |
4 |
Correct |
8 ms |
25180 KB |
Output is correct |
5 |
Correct |
9 ms |
25692 KB |
Output is correct |
6 |
Correct |
12 ms |
25948 KB |
Output is correct |
7 |
Correct |
8 ms |
25480 KB |
Output is correct |
8 |
Correct |
9 ms |
25436 KB |
Output is correct |
9 |
Correct |
9 ms |
25612 KB |
Output is correct |
10 |
Correct |
11 ms |
25432 KB |
Output is correct |
11 |
Correct |
8 ms |
25436 KB |
Output is correct |
12 |
Correct |
12 ms |
25988 KB |
Output is correct |
13 |
Correct |
10 ms |
25692 KB |
Output is correct |
14 |
Correct |
411 ms |
25692 KB |
Output is correct |
15 |
Correct |
617 ms |
26020 KB |
Output is correct |
16 |
Correct |
12 ms |
26020 KB |
Output is correct |
17 |
Correct |
12 ms |
25692 KB |
Output is correct |
18 |
Correct |
10 ms |
26200 KB |
Output is correct |
19 |
Correct |
11 ms |
25944 KB |
Output is correct |
20 |
Correct |
11 ms |
26200 KB |
Output is correct |
21 |
Correct |
24 ms |
28520 KB |
Output is correct |
22 |
Correct |
43 ms |
30308 KB |
Output is correct |
23 |
Correct |
49 ms |
32200 KB |
Output is correct |
24 |
Execution timed out |
4026 ms |
30172 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
25180 KB |
Output is correct |
2 |
Correct |
8 ms |
25436 KB |
Output is correct |
3 |
Correct |
10 ms |
25704 KB |
Output is correct |
4 |
Correct |
8 ms |
25180 KB |
Output is correct |
5 |
Correct |
9 ms |
25692 KB |
Output is correct |
6 |
Correct |
12 ms |
25948 KB |
Output is correct |
7 |
Correct |
8 ms |
25480 KB |
Output is correct |
8 |
Correct |
9 ms |
25436 KB |
Output is correct |
9 |
Correct |
9 ms |
25612 KB |
Output is correct |
10 |
Correct |
11 ms |
25432 KB |
Output is correct |
11 |
Correct |
380 ms |
67292 KB |
Output is correct |
12 |
Correct |
818 ms |
80500 KB |
Output is correct |
13 |
Correct |
213 ms |
74728 KB |
Output is correct |
14 |
Correct |
1016 ms |
105600 KB |
Output is correct |
15 |
Correct |
960 ms |
107944 KB |
Output is correct |
16 |
Correct |
1593 ms |
165888 KB |
Output is correct |
17 |
Correct |
209 ms |
74752 KB |
Output is correct |
18 |
Correct |
879 ms |
98276 KB |
Output is correct |
19 |
Correct |
983 ms |
104468 KB |
Output is correct |
20 |
Correct |
725 ms |
104096 KB |
Output is correct |
21 |
Correct |
8 ms |
25436 KB |
Output is correct |
22 |
Correct |
12 ms |
25988 KB |
Output is correct |
23 |
Correct |
10 ms |
25692 KB |
Output is correct |
24 |
Correct |
411 ms |
25692 KB |
Output is correct |
25 |
Correct |
617 ms |
26020 KB |
Output is correct |
26 |
Correct |
12 ms |
26020 KB |
Output is correct |
27 |
Correct |
12 ms |
25692 KB |
Output is correct |
28 |
Correct |
10 ms |
26200 KB |
Output is correct |
29 |
Correct |
11 ms |
25944 KB |
Output is correct |
30 |
Correct |
11 ms |
26200 KB |
Output is correct |
31 |
Correct |
24 ms |
28520 KB |
Output is correct |
32 |
Correct |
43 ms |
30308 KB |
Output is correct |
33 |
Correct |
49 ms |
32200 KB |
Output is correct |
34 |
Execution timed out |
4026 ms |
30172 KB |
Time limit exceeded |
35 |
Halted |
0 ms |
0 KB |
- |