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답안 #499162

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
499162 2021-12-27T10:53:07 Z Aktan Evacuation plan (IZhO18_plan) C++17
100 / 100
 1066 ms 60484 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define int long long
#define ft first
#define sc second
using namespace std;
const int mod=1e9+7,INF=1e17;

vector<pair<int,int>> v[100005];

int dist[100005],pr[100005],id[100005],vis[100005],ans[100005];
set<int> s[100005];
pair<int,int>p[100005];
bool cmp(int x,int y){
	return dist[x]>dist[y];	
}
int find(int x){
	if(pr[x]==x){
		return x;
	}
	return pr[x]=find(pr[x]);
}
void merge(int x,int y,int val){
	if((x=find(x))==(y=find(y)))
		return;
	if(s[x].size()<s[y].size())	
		swap(x,y);
	for(auto it : s[y]){
		if(s[x].count(it))
			ans[it]=val;
		else
			s[x].insert(it);
	}
	pr[y]=x;
}
main(){
   int n,m,a,b,c;
   cin >> n >> m;
   for(int i=0;i<m;i++){
   	cin >> a >> b >> c;
	   v[a].push_back({b,c});
	   v[b].push_back({a,c}); 
   }
   for(int i=1;i<=n;i++){
   	dist[i]=INF;
   }
   int k,x;
   cin >> k;
   queue<int> q;
   for(int i=0;i<k;i++){
   	cin >> x;
   	q.push(x);
   	dist[x]=0;
   }
   while(!q.empty()){
   	int to=q.front();
   	q.pop();
   	for(auto it : v[to]){
   		if(dist[it.ft]>dist[to]+it.sc){
   			dist[it.ft]=dist[to]+it.sc;
   			q.push(it.ft);
		   }
	   }
   }
   int t;
   cin >> t;
   for(int i=1;i<=t;i++){
   	int e,f;
   	cin >> e >> f;
   	s[e].insert(i);
   	s[f].insert(i);
   	p[i]=make_pair(e,f);
   }
   for(int i=1;i<=n;i++){
   	pr[i]=id[i]=i;
   }
   sort(id+1,id+n+1,cmp);
   for(int i=1;i<=n;i++){
   	vis[id[i]]=1;
   	for(auto it : v[id[i]]){
   		if(vis[it.ft]){
   			merge(it.ft,id[i],dist[id[i]]);
		   }
	   }
   }
   for(int i=1;i<=t;i++){
   	cout << ans[i] << endl;
   }
}

Compilation message

plan.cpp:39:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   39 | main(){
      | ^~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 7 ms 7500 KB Output is correct
3 Correct 6 ms 7500 KB Output is correct
4 Correct 3 ms 7372 KB Output is correct
5 Correct 6 ms 7500 KB Output is correct
6 Correct 6 ms 7572 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 7 ms 7628 KB Output is correct
10 Correct 9 ms 7628 KB Output is correct
11 Correct 6 ms 7556 KB Output is correct
12 Correct 7 ms 7500 KB Output is correct
13 Correct 7 ms 7628 KB Output is correct
14 Correct 7 ms 7680 KB Output is correct
15 Correct 7 ms 7628 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 7 ms 7500 KB Output is correct
3 Correct 6 ms 7500 KB Output is correct
4 Correct 3 ms 7372 KB Output is correct
5 Correct 6 ms 7500 KB Output is correct
6 Correct 6 ms 7572 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 7 ms 7628 KB Output is correct
10 Correct 9 ms 7628 KB Output is correct
11 Correct 6 ms 7556 KB Output is correct
12 Correct 7 ms 7500 KB Output is correct
13 Correct 7 ms 7628 KB Output is correct
14 Correct 7 ms 7680 KB Output is correct
15 Correct 7 ms 7628 KB Output is correct
16 Correct 450 ms 34856 KB Output is correct
17 Correct 1066 ms 51508 KB Output is correct
18 Correct 75 ms 11536 KB Output is correct
19 Correct 407 ms 27312 KB Output is correct
20 Correct 1008 ms 51600 KB Output is correct
21 Correct 627 ms 39708 KB Output is correct
22 Correct 410 ms 32452 KB Output is correct
23 Correct 1012 ms 51576 KB Output is correct
24 Correct 1004 ms 51524 KB Output is correct
25 Correct 915 ms 51488 KB Output is correct
26 Correct 361 ms 27072 KB Output is correct
27 Correct 351 ms 27256 KB Output is correct
28 Correct 376 ms 27076 KB Output is correct
29 Correct 350 ms 27148 KB Output is correct
30 Correct 348 ms 27308 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7372 KB Output is correct
2 Correct 3 ms 7372 KB Output is correct
3 Correct 3 ms 7372 KB Output is correct
4 Correct 4 ms 7372 KB Output is correct
5 Correct 4 ms 7372 KB Output is correct
6 Correct 4 ms 7372 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 3 ms 7372 KB Output is correct
9 Correct 6 ms 7372 KB Output is correct
10 Correct 4 ms 7372 KB Output is correct

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 286 ms 21904 KB Output is correct
2 Correct 626 ms 38008 KB Output is correct
3 Correct 598 ms 38064 KB Output is correct
4 Correct 137 ms 15144 KB Output is correct
5 Correct 610 ms 37888 KB Output is correct
6 Correct 621 ms 37532 KB Output is correct
7 Correct 621 ms 37800 KB Output is correct
8 Correct 606 ms 37432 KB Output is correct
9 Correct 598 ms 37644 KB Output is correct
10 Correct 619 ms 37988 KB Output is correct
11 Correct 639 ms 38068 KB Output is correct
12 Correct 577 ms 37504 KB Output is correct
13 Correct 593 ms 37400 KB Output is correct
14 Correct 570 ms 37456 KB Output is correct
15 Correct 606 ms 37332 KB Output is correct
16 Correct 584 ms 37488 KB Output is correct
17 Correct 609 ms 37900 KB Output is correct
18 Correct 652 ms 38084 KB Output is correct
19 Correct 123 ms 15048 KB Output is correct
20 Correct 613 ms 38148 KB Output is correct
21 Correct 607 ms 37368 KB Output is correct
22 Correct 107 ms 15940 KB Output is correct
23 Correct 115 ms 15456 KB Output is correct
24 Correct 105 ms 15932 KB Output is correct
25 Correct 113 ms 16064 KB Output is correct
26 Correct 125 ms 15524 KB Output is correct
27 Correct 109 ms 15048 KB Output is correct
28 Correct 103 ms 15988 KB Output is correct
29 Correct 153 ms 15052 KB Output is correct
30 Correct 141 ms 15956 KB Output is correct
31 Correct 109 ms 15044 KB Output is correct

Subtask #5
46.0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 7 ms 7500 KB Output is correct
3 Correct 6 ms 7500 KB Output is correct
4 Correct 3 ms 7372 KB Output is correct
5 Correct 6 ms 7500 KB Output is correct
6 Correct 6 ms 7572 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 7 ms 7628 KB Output is correct
10 Correct 9 ms 7628 KB Output is correct
11 Correct 6 ms 7556 KB Output is correct
12 Correct 7 ms 7500 KB Output is correct
13 Correct 7 ms 7628 KB Output is correct
14 Correct 7 ms 7680 KB Output is correct
15 Correct 7 ms 7628 KB Output is correct
16 Correct 450 ms 34856 KB Output is correct
17 Correct 1066 ms 51508 KB Output is correct
18 Correct 75 ms 11536 KB Output is correct
19 Correct 407 ms 27312 KB Output is correct
20 Correct 1008 ms 51600 KB Output is correct
21 Correct 627 ms 39708 KB Output is correct
22 Correct 410 ms 32452 KB Output is correct
23 Correct 1012 ms 51576 KB Output is correct
24 Correct 1004 ms 51524 KB Output is correct
25 Correct 915 ms 51488 KB Output is correct
26 Correct 361 ms 27072 KB Output is correct
27 Correct 351 ms 27256 KB Output is correct
28 Correct 376 ms 27076 KB Output is correct
29 Correct 350 ms 27148 KB Output is correct
30 Correct 348 ms 27308 KB Output is correct
31 Correct 3 ms 7372 KB Output is correct
32 Correct 3 ms 7372 KB Output is correct
33 Correct 3 ms 7372 KB Output is correct
34 Correct 4 ms 7372 KB Output is correct
35 Correct 4 ms 7372 KB Output is correct
36 Correct 4 ms 7372 KB Output is correct
37 Correct 4 ms 7372 KB Output is correct
38 Correct 3 ms 7372 KB Output is correct
39 Correct 6 ms 7372 KB Output is correct
40 Correct 4 ms 7372 KB Output is correct
41 Correct 286 ms 21904 KB Output is correct
42 Correct 626 ms 38008 KB Output is correct
43 Correct 598 ms 38064 KB Output is correct
44 Correct 137 ms 15144 KB Output is correct
45 Correct 610 ms 37888 KB Output is correct
46 Correct 621 ms 37532 KB Output is correct
47 Correct 621 ms 37800 KB Output is correct
48 Correct 606 ms 37432 KB Output is correct
49 Correct 598 ms 37644 KB Output is correct
50 Correct 619 ms 37988 KB Output is correct
51 Correct 639 ms 38068 KB Output is correct
52 Correct 577 ms 37504 KB Output is correct
53 Correct 593 ms 37400 KB Output is correct
54 Correct 570 ms 37456 KB Output is correct
55 Correct 606 ms 37332 KB Output is correct
56 Correct 584 ms 37488 KB Output is correct
57 Correct 609 ms 37900 KB Output is correct
58 Correct 652 ms 38084 KB Output is correct
59 Correct 123 ms 15048 KB Output is correct
60 Correct 613 ms 38148 KB Output is correct
61 Correct 607 ms 37368 KB Output is correct
62 Correct 107 ms 15940 KB Output is correct
63 Correct 115 ms 15456 KB Output is correct
64 Correct 105 ms 15932 KB Output is correct
65 Correct 113 ms 16064 KB Output is correct
66 Correct 125 ms 15524 KB Output is correct
67 Correct 109 ms 15048 KB Output is correct
68 Correct 103 ms 15988 KB Output is correct
69 Correct 153 ms 15052 KB Output is correct
70 Correct 141 ms 15956 KB Output is correct
71 Correct 109 ms 15044 KB Output is correct
72 Correct 651 ms 40824 KB Output is correct
73 Correct 974 ms 51884 KB Output is correct
74 Correct 988 ms 51964 KB Output is correct
75 Correct 1033 ms 51856 KB Output is correct
76 Correct 1006 ms 51816 KB Output is correct
77 Correct 984 ms 51920 KB Output is correct
78 Correct 1002 ms 51956 KB Output is correct
79 Correct 964 ms 52012 KB Output is correct
80 Correct 1000 ms 51812 KB Output is correct
81 Correct 1058 ms 51892 KB Output is correct
82 Correct 954 ms 51864 KB Output is correct
83 Correct 930 ms 51840 KB Output is correct
84 Correct 964 ms 51736 KB Output is correct
85 Correct 925 ms 51812 KB Output is correct
86 Correct 936 ms 51748 KB Output is correct
87 Correct 984 ms 51764 KB Output is correct
88 Correct 995 ms 51776 KB Output is correct
89 Correct 449 ms 32368 KB Output is correct
90 Correct 991 ms 51920 KB Output is correct
91 Correct 916 ms 51716 KB Output is correct
92 Correct 404 ms 31924 KB Output is correct
93 Correct 533 ms 58424 KB Output is correct
94 Correct 432 ms 31824 KB Output is correct
95 Correct 426 ms 31888 KB Output is correct
96 Correct 555 ms 60484 KB Output is correct
97 Correct 473 ms 35524 KB Output is correct
98 Correct 411 ms 31944 KB Output is correct
99 Correct 528 ms 35652 KB Output is correct
100 Correct 440 ms 31904 KB Output is correct