oj.uz

Submission #1023173

# Submission time Handle Problem Language Result Execution time Memory
1023173 2024-07-14T11:48:28 Z Unforgettablepl Reconstruction Project (JOI22_reconstruction) C++17
100 / 100
 576 ms 30996 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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