답안 #878393

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
878393	2023-11-24T09:51:14 Z	amirhoseinfar1385	조이터에서 친구를 만드는건 재밌어 (JOI20_joitter2)	C++17	100 / 100	400 ms	40772 KB

joitter2

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #878393

Compilation message

Subtask #1 1.0 / 1.0

Subtask #2 16.0 / 16.0

Subtask #3 83.0 / 83.0

Subtask #1
1.0 / 1.0

Subtask #2
16.0 / 16.0

Subtask #3
83.0 / 83.0