답안 #1023173

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1023173	2024-07-14T11:48:28 Z	Unforgettablepl	Reconstruction Project (JOI22_reconstruction)	C++17	100 / 100	576 ms	30996 KB

reconstruction

#pragma GCC optimize("Ofast","unroll-loops")
#include <bits/stdc++.h>
using namespace std;

// #define int long long


int32_t main(){
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n,m;
	cin >> n >> m;
	vector<pair<int,pair<int,int>>> edges(m);
	for(auto&[a,b]:edges)cin>>b.first>>b.second>>a;
	sort(edges.begin(),edges.end());
	vector<set<pair<int,int>>> adj(n+1);
	// Calculation from the front
	int tar;
	function<pair<bool,int>(int,int)> dfs = [&](int x,int p){
		if(x==tar)return make_pair(true,(int)1e15);
		for(auto[v,i]:adj[x])if(v!=p){
			auto res = dfs(v,x);
			if(res.first)return make_pair(true,min(res.second,i));
		}
		return make_pair(false,(int)0);
	};
	vector<tuple<int,bool,int>> events;
	for(int i=0;i<m;i++){
		tar = edges[i].second.second;
		auto res = dfs(edges[i].second.first,-1);
		if(res.first){
			//res.second is the edge which is replaced by i
			int diffpoint = (edges[i].first+edges[res.second].first+1)/2;
			events.emplace_back(diffpoint,true,+edges[i].first);
			events.emplace_back(diffpoint,false,-edges[res.second].first);
			adj[edges[res.second].second.first].erase({edges[res.second].second.second,res.second});
			adj[edges[res.second].second.second].erase({edges[res.second].second.first,res.second});
		} else {
			events.emplace_back(0,true,+edges[i].first);
		}
		events.emplace_back(edges[i].first,true,-edges[i].first);
		events.emplace_back(edges[i].first,false,+edges[i].first);
		adj[edges[i].second.first].insert({edges[i].second.second,i});
		adj[edges[i].second.second].insert({edges[i].second.first,i});
	}
	events.emplace_back(2e9,false,0);
	sort(events.begin(),events.end());
	long long smallersum = 0;
	long long biggersum = 0;
	long long smallercnt = 0;
	long long biggercnt = 0;
	auto iter = events.begin();
	int q;
	cin >> q;
	for(int i=1;i<=q;i++){
		long long query;
		cin >> query;
		while(get<0>(*iter)<=query){
			auto [a,b,c] = *iter;
			if(b){
				biggersum+=c;
				if(c<0)biggercnt--;
				else biggercnt++;
			} else {
				smallersum+=c;
				if(c<0)smallercnt--;
				else smallercnt++;
			}
			iter++;
		}
		cout << biggersum-query*biggercnt+query*smallercnt-smallersum << '\n';
	}
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	383 ms	9504 KB	Output is correct
21	Correct	195 ms	9500 KB	Output is correct
22	Correct	263 ms	9552 KB	Output is correct
23	Correct	332 ms	9448 KB	Output is correct
24	Correct	338 ms	9708 KB	Output is correct
25	Correct	371 ms	9456 KB	Output is correct
26	Correct	392 ms	9716 KB	Output is correct
27	Correct	393 ms	9712 KB	Output is correct
28	Correct	397 ms	9692 KB	Output is correct
29	Correct	294 ms	9584 KB	Output is correct
30	Correct	388 ms	9632 KB	Output is correct
31	Correct	384 ms	9520 KB	Output is correct
32	Correct	387 ms	9688 KB	Output is correct
33	Correct	395 ms	9688 KB	Output is correct
34	Correct	240 ms	9728 KB	Output is correct
35	Correct	371 ms	9436 KB	Output is correct

Subtask #3
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	576 ms	28748 KB	Output is correct
5	Correct	497 ms	28892 KB	Output is correct
6	Correct	529 ms	28888 KB	Output is correct
7	Correct	199 ms	30828 KB	Output is correct
8	Correct	188 ms	30904 KB	Output is correct
9	Correct	182 ms	30796 KB	Output is correct
10	Correct	565 ms	28892 KB	Output is correct
11	Correct	186 ms	30996 KB	Output is correct

Subtask #4
28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	133 ms	22344 KB	Output is correct
21	Correct	130 ms	22612 KB	Output is correct
22	Correct	127 ms	22356 KB	Output is correct
23	Correct	132 ms	22356 KB	Output is correct
24	Correct	128 ms	22436 KB	Output is correct
25	Correct	134 ms	22352 KB	Output is correct
26	Correct	130 ms	22368 KB	Output is correct
27	Correct	129 ms	22356 KB	Output is correct
28	Correct	125 ms	22352 KB	Output is correct
29	Correct	126 ms	22356 KB	Output is correct
30	Correct	125 ms	22436 KB	Output is correct
31	Correct	135 ms	22352 KB	Output is correct
32	Correct	136 ms	22864 KB	Output is correct
33	Correct	129 ms	22356 KB	Output is correct

Subtask #5
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	383 ms	9504 KB	Output is correct
21	Correct	195 ms	9500 KB	Output is correct
22	Correct	263 ms	9552 KB	Output is correct
23	Correct	332 ms	9448 KB	Output is correct
24	Correct	338 ms	9708 KB	Output is correct
25	Correct	371 ms	9456 KB	Output is correct
26	Correct	392 ms	9716 KB	Output is correct
27	Correct	393 ms	9712 KB	Output is correct
28	Correct	397 ms	9692 KB	Output is correct
29	Correct	294 ms	9584 KB	Output is correct
30	Correct	388 ms	9632 KB	Output is correct
31	Correct	384 ms	9520 KB	Output is correct
32	Correct	387 ms	9688 KB	Output is correct
33	Correct	395 ms	9688 KB	Output is correct
34	Correct	240 ms	9728 KB	Output is correct
35	Correct	371 ms	9436 KB	Output is correct
36	Correct	414 ms	9688 KB	Output is correct
37	Correct	178 ms	9812 KB	Output is correct
38	Correct	281 ms	9696 KB	Output is correct
39	Correct	295 ms	9756 KB	Output is correct
40	Correct	327 ms	9712 KB	Output is correct
41	Correct	360 ms	9716 KB	Output is correct
42	Correct	394 ms	9784 KB	Output is correct
43	Correct	382 ms	9688 KB	Output is correct
44	Correct	386 ms	9776 KB	Output is correct
45	Correct	289 ms	9672 KB	Output is correct
46	Correct	393 ms	9756 KB	Output is correct
47	Correct	385 ms	9688 KB	Output is correct
48	Correct	383 ms	9688 KB	Output is correct
49	Correct	385 ms	9692 KB	Output is correct
50	Correct	241 ms	9944 KB	Output is correct
51	Correct	377 ms	9712 KB	Output is correct

Subtask #6
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	456 KB	Output is correct
15	Correct	1 ms	456 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	383 ms	9504 KB	Output is correct
21	Correct	195 ms	9500 KB	Output is correct
22	Correct	263 ms	9552 KB	Output is correct
23	Correct	332 ms	9448 KB	Output is correct
24	Correct	338 ms	9708 KB	Output is correct
25	Correct	371 ms	9456 KB	Output is correct
26	Correct	392 ms	9716 KB	Output is correct
27	Correct	393 ms	9712 KB	Output is correct
28	Correct	397 ms	9692 KB	Output is correct
29	Correct	294 ms	9584 KB	Output is correct
30	Correct	388 ms	9632 KB	Output is correct
31	Correct	384 ms	9520 KB	Output is correct
32	Correct	387 ms	9688 KB	Output is correct
33	Correct	395 ms	9688 KB	Output is correct
34	Correct	240 ms	9728 KB	Output is correct
35	Correct	371 ms	9436 KB	Output is correct
36	Correct	1 ms	348 KB	Output is correct
37	Correct	0 ms	348 KB	Output is correct
38	Correct	0 ms	348 KB	Output is correct
39	Correct	576 ms	28748 KB	Output is correct
40	Correct	497 ms	28892 KB	Output is correct
41	Correct	529 ms	28888 KB	Output is correct
42	Correct	199 ms	30828 KB	Output is correct
43	Correct	188 ms	30904 KB	Output is correct
44	Correct	182 ms	30796 KB	Output is correct
45	Correct	565 ms	28892 KB	Output is correct
46	Correct	186 ms	30996 KB	Output is correct
47	Correct	0 ms	348 KB	Output is correct
48	Correct	133 ms	22344 KB	Output is correct
49	Correct	130 ms	22612 KB	Output is correct
50	Correct	127 ms	22356 KB	Output is correct
51	Correct	132 ms	22356 KB	Output is correct
52	Correct	128 ms	22436 KB	Output is correct
53	Correct	134 ms	22352 KB	Output is correct
54	Correct	130 ms	22368 KB	Output is correct
55	Correct	129 ms	22356 KB	Output is correct
56	Correct	125 ms	22352 KB	Output is correct
57	Correct	126 ms	22356 KB	Output is correct
58	Correct	125 ms	22436 KB	Output is correct
59	Correct	135 ms	22352 KB	Output is correct
60	Correct	136 ms	22864 KB	Output is correct
61	Correct	129 ms	22356 KB	Output is correct
62	Correct	414 ms	9688 KB	Output is correct
63	Correct	178 ms	9812 KB	Output is correct
64	Correct	281 ms	9696 KB	Output is correct
65	Correct	295 ms	9756 KB	Output is correct
66	Correct	327 ms	9712 KB	Output is correct
67	Correct	360 ms	9716 KB	Output is correct
68	Correct	394 ms	9784 KB	Output is correct
69	Correct	382 ms	9688 KB	Output is correct
70	Correct	386 ms	9776 KB	Output is correct
71	Correct	289 ms	9672 KB	Output is correct
72	Correct	393 ms	9756 KB	Output is correct
73	Correct	385 ms	9688 KB	Output is correct
74	Correct	383 ms	9688 KB	Output is correct
75	Correct	385 ms	9692 KB	Output is correct
76	Correct	241 ms	9944 KB	Output is correct
77	Correct	377 ms	9712 KB	Output is correct
78	Correct	518 ms	27856 KB	Output is correct
79	Correct	301 ms	29904 KB	Output is correct
80	Correct	407 ms	28764 KB	Output is correct
81	Correct	408 ms	29148 KB	Output is correct
82	Correct	453 ms	27876 KB	Output is correct
83	Correct	515 ms	27860 KB	Output is correct
84	Correct	494 ms	27860 KB	Output is correct
85	Correct	510 ms	28116 KB	Output is correct
86	Correct	495 ms	27868 KB	Output is correct
87	Correct	410 ms	29532 KB	Output is correct
88	Correct	488 ms	27860 KB	Output is correct
89	Correct	478 ms	27864 KB	Output is correct
90	Correct	507 ms	27856 KB	Output is correct
91	Correct	514 ms	27860 KB	Output is correct
92	Correct	394 ms	30872 KB	Output is correct
93	Correct	528 ms	28884 KB	Output is correct

답안 #1023173

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 4.0 / 4.0

Subtask #3 7.0 / 7.0

Subtask #4 28.0 / 28.0

Subtask #5 35.0 / 35.0

Subtask #6 23.0 / 23.0

Subtask #1
3.0 / 3.0

Subtask #2
4.0 / 4.0

Subtask #3
7.0 / 7.0

Subtask #4
28.0 / 28.0

Subtask #5
35.0 / 35.0

Subtask #6
23.0 / 23.0