oj.uz

Submission #878393

# Submission time Handle Problem Language Result Execution time Memory
878393 2023-11-24T09:51:14 Z amirhoseinfar1385 Making Friends on Joitter is Fun (JOI20_joitter2) C++17
100 / 100
 400 ms 40772 KB 
#include<bits/stdc++.h>
//tof_to_in_zendegy_ke_man_eshtebahy_ye_soal_dg_hal_kardam
using namespace std;
const int maxn=100000+10;
int n,m; 

struct dsu{
	int par[maxn],sz[maxn];
	set<pair<int,int>>kho[maxn];
	set<int>vorod[maxn];
	long long res;
	dsu(){
		res=0;
		for(int i=1;i<maxn;i++){
			par[i]=i;
			sz[i]=1;
		}
	}
	int root(int u){
		if(u==par[u]){
			return u;
		}
		return par[u]=root(par[u]);
	}

	void con(int u,int v){
		u=root(u),v=root(v);
		if(sz[u]>sz[v]){
			swap(u,v);
		}
		vector<pair<int,int>>allq;
		for(auto x:kho[u]){
			res-=sz[x.first];
			vorod[x.first].erase(x.second);
			allq.push_back(make_pair(x.second,x.first));
		}
		res+=sz[u]*(2*sz[v]+vorod[v].size());
		res-=sz[u]*vorod[u].size();
		for(auto x:vorod[u]){
			int rootx=root(x);
			kho[rootx].erase(make_pair(u,x));
			allq.push_back(make_pair(x,u));
		}
		vorod[u].clear();
		kho[u].clear();
		par[u]=v;
		sz[v]+=sz[u];
		for(auto x:allq){
			add(x.first,x.second);
		}
	}
	void add(int u,int v){
		int rootv=root(v),rootu=root(u);
		if(rootu==rootv||vorod[rootv].count(u)!=0){
			return ;
		}
		auto x=kho[rootv].lower_bound(make_pair(rootu,-1));
		if(x!=kho[rootv].end()&&(*x).first==rootu){
			return con(u,v);
		}
		res+=sz[rootv];
		kho[rootu].insert(make_pair(rootv,u));
		vorod[rootv].insert(u);
	}
}ds;

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>m;
	for(int i=1;i<=m;i++){
		int u,v;
		cin>>u>>v;
		ds.add(u,v);
		cout<<ds.res<<"\n";
	}	
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 3 ms 10588 KB Output is correct
8 Correct 3 ms 10420 KB Output is correct
9 Correct 3 ms 10476 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 10584 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10432 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10616 KB Output is correct
21 Correct 3 ms 10432 KB Output is correct
22 Correct 2 ms 10584 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct
25 Correct 3 ms 10588 KB Output is correct
26 Correct 2 ms 10588 KB Output is correct
27 Correct 3 ms 10588 KB Output is correct
28 Correct 2 ms 10840 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 2 ms 10588 KB Output is correct
31 Correct 3 ms 10588 KB Output is correct
32 Correct 2 ms 10588 KB Output is correct
33 Correct 3 ms 10588 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 3 ms 10588 KB Output is correct
8 Correct 3 ms 10420 KB Output is correct
9 Correct 3 ms 10476 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 10584 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10432 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10616 KB Output is correct
21 Correct 3 ms 10432 KB Output is correct
22 Correct 2 ms 10584 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct
25 Correct 3 ms 10588 KB Output is correct
26 Correct 2 ms 10588 KB Output is correct
27 Correct 3 ms 10588 KB Output is correct
28 Correct 2 ms 10840 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 2 ms 10588 KB Output is correct
31 Correct 3 ms 10588 KB Output is correct
32 Correct 2 ms 10588 KB Output is correct
33 Correct 3 ms 10588 KB Output is correct
34 Correct 4 ms 10584 KB Output is correct
35 Correct 56 ms 13904 KB Output is correct
36 Correct 70 ms 15700 KB Output is correct
37 Correct 71 ms 15952 KB Output is correct
38 Correct 68 ms 15608 KB Output is correct
39 Correct 3 ms 10588 KB Output is correct
40 Correct 4 ms 10596 KB Output is correct
41 Correct 4 ms 10836 KB Output is correct
42 Correct 3 ms 10588 KB Output is correct
43 Correct 4 ms 10588 KB Output is correct
44 Correct 4 ms 10588 KB Output is correct
45 Correct 3 ms 10432 KB Output is correct
46 Correct 3 ms 10588 KB Output is correct
47 Correct 4 ms 10584 KB Output is correct
48 Correct 4 ms 10584 KB Output is correct
49 Correct 8 ms 11096 KB Output is correct
50 Correct 71 ms 15872 KB Output is correct
51 Correct 7 ms 10844 KB Output is correct
52 Correct 62 ms 14676 KB Output is correct
53 Correct 8 ms 11100 KB Output is correct
54 Correct 66 ms 15436 KB Output is correct
55 Correct 5 ms 10844 KB Output is correct
56 Correct 5 ms 10844 KB Output is correct
57 Correct 5 ms 11076 KB Output is correct
58 Correct 5 ms 11100 KB Output is correct
59 Correct 3 ms 10428 KB Output is correct
60 Correct 54 ms 12804 KB Output is correct
61 Correct 7 ms 10588 KB Output is correct
62 Correct 68 ms 15652 KB Output is correct

Subtask #3
83.0 / 83.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 2 ms 10588 KB Output is correct
5 Correct 2 ms 10588 KB Output is correct
6 Correct 2 ms 10588 KB Output is correct
7 Correct 3 ms 10588 KB Output is correct
8 Correct 3 ms 10420 KB Output is correct
9 Correct 3 ms 10476 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 2 ms 10588 KB Output is correct
13 Correct 2 ms 10588 KB Output is correct
14 Correct 2 ms 10588 KB Output is correct
15 Correct 2 ms 10588 KB Output is correct
16 Correct 2 ms 10584 KB Output is correct
17 Correct 2 ms 10588 KB Output is correct
18 Correct 2 ms 10432 KB Output is correct
19 Correct 2 ms 10588 KB Output is correct
20 Correct 2 ms 10616 KB Output is correct
21 Correct 3 ms 10432 KB Output is correct
22 Correct 2 ms 10584 KB Output is correct
23 Correct 2 ms 10588 KB Output is correct
24 Correct 3 ms 10588 KB Output is correct
25 Correct 3 ms 10588 KB Output is correct
26 Correct 2 ms 10588 KB Output is correct
27 Correct 3 ms 10588 KB Output is correct
28 Correct 2 ms 10840 KB Output is correct
29 Correct 2 ms 10588 KB Output is correct
30 Correct 2 ms 10588 KB Output is correct
31 Correct 3 ms 10588 KB Output is correct
32 Correct 2 ms 10588 KB Output is correct
33 Correct 3 ms 10588 KB Output is correct
34 Correct 4 ms 10584 KB Output is correct
35 Correct 56 ms 13904 KB Output is correct
36 Correct 70 ms 15700 KB Output is correct
37 Correct 71 ms 15952 KB Output is correct
38 Correct 68 ms 15608 KB Output is correct
39 Correct 3 ms 10588 KB Output is correct
40 Correct 4 ms 10596 KB Output is correct
41 Correct 4 ms 10836 KB Output is correct
42 Correct 3 ms 10588 KB Output is correct
43 Correct 4 ms 10588 KB Output is correct
44 Correct 4 ms 10588 KB Output is correct
45 Correct 3 ms 10432 KB Output is correct
46 Correct 3 ms 10588 KB Output is correct
47 Correct 4 ms 10584 KB Output is correct
48 Correct 4 ms 10584 KB Output is correct
49 Correct 8 ms 11096 KB Output is correct
50 Correct 71 ms 15872 KB Output is correct
51 Correct 7 ms 10844 KB Output is correct
52 Correct 62 ms 14676 KB Output is correct
53 Correct 8 ms 11100 KB Output is correct
54 Correct 66 ms 15436 KB Output is correct
55 Correct 5 ms 10844 KB Output is correct
56 Correct 5 ms 10844 KB Output is correct
57 Correct 5 ms 11076 KB Output is correct
58 Correct 5 ms 11100 KB Output is correct
59 Correct 3 ms 10428 KB Output is correct
60 Correct 54 ms 12804 KB Output is correct
61 Correct 7 ms 10588 KB Output is correct
62 Correct 68 ms 15652 KB Output is correct
63 Correct 229 ms 40772 KB Output is correct
64 Correct 236 ms 40672 KB Output is correct
65 Correct 244 ms 40584 KB Output is correct
66 Correct 61 ms 12628 KB Output is correct
67 Correct 89 ms 16476 KB Output is correct
68 Correct 62 ms 12668 KB Output is correct
69 Correct 133 ms 17232 KB Output is correct
70 Correct 56 ms 12624 KB Output is correct
71 Correct 67 ms 12996 KB Output is correct
72 Correct 113 ms 16816 KB Output is correct
73 Correct 117 ms 16720 KB Output is correct
74 Correct 400 ms 26460 KB Output is correct
75 Correct 205 ms 20900 KB Output is correct
76 Correct 303 ms 23960 KB Output is correct
77 Correct 276 ms 24144 KB Output is correct
78 Correct 93 ms 16800 KB Output is correct
79 Correct 170 ms 18740 KB Output is correct
80 Correct 93 ms 16700 KB Output is correct
81 Correct 146 ms 18344 KB Output is correct
82 Correct 286 ms 30680 KB Output is correct
83 Correct 282 ms 30504 KB Output is correct
84 Correct 269 ms 31264 KB Output is correct
85 Correct 260 ms 31180 KB Output is correct
86 Correct 57 ms 11892 KB Output is correct
87 Correct 80 ms 13032 KB Output is correct
88 Correct 125 ms 16616 KB Output is correct
89 Correct 292 ms 23232 KB Output is correct