답안 #891931

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
891931	2023-12-24T13:15:04 Z	vjudge1	Airplane (NOI23_airplane)	C++17	100 / 100	212 ms	20524 KB

Main

#include<bits/stdc++.h>

using namespace std;

#define read() ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define day() time_t now = time(0);char* x = ctime(&now);cerr<<"Right Now Is : "<<x<<"\n"

#define ii pair<int,int>
#define X first
#define Y second 

const long long MAX = (int)2e5 + 5;
const long long INF = (int)1e9;
const long long MOD = (int)1e9 + 7;

int n,m;
int step[MAX],fx[MAX];
vector<int> adj[MAX];
int a[MAX];

priority_queue<ii,vector<ii>,greater<ii>> pq;

signed main(){
	
	read();
	
	cin >> n >> m;
	
	for(int i = 1;i <= n;i++)cin >> a[i];
	
	for(int i = 1,u,v;i <= m;i++){
		cin >> u >> v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	
	memset(step,0x3f,sizeof step);
	memset(fx,0x3f,sizeof fx);
	
	pq.push({0,1});
	step[1] = 0;
	
	while(!pq.empty()){
		int u = pq.top().Y;
		int d = pq.top().X;
		
		pq.pop();
		
		if(d != step[u])continue;
		
		for(auto v : adj[u]){
			if(step[v] > max(step[u] + 1,a[v])){
				step[v] = max(step[u] + 1,a[v]);
				pq.push({step[v],v});
			}
		}
	}
	
	pq.push({0,n});
	fx[n] = 0;
	
	while(!pq.empty()){
		int u = pq.top().Y;
		int d = pq.top().X;
		
		pq.pop();
		
		if(d != fx[u])continue;
		
		for(auto v : adj[u]){
			if(fx[v] > max(fx[u] + 1,a[v])){
				fx[v] = max(fx[u] + 1,a[v]);
				pq.push({fx[v],v});
			}
		}
	}
	
	int res = INF;
	for(int i = 1;i <= n;i++){
		res = min(res,2 * max(step[i],fx[i]));
	}
	
	for(int i = 1;i <= n;i++){
		for(auto v : adj[i]){
			res = min(res,2 * max(step[i],fx[v]) + 1);
		}
	}
	
	
	cout << res;
	
	
}

Subtask #1
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	7256 KB	Output is correct
2	Correct	57 ms	13668 KB	Output is correct
3	Correct	59 ms	15692 KB	Output is correct
4	Correct	62 ms	15676 KB	Output is correct
5	Correct	61 ms	16008 KB	Output is correct
6	Correct	77 ms	15952 KB	Output is correct
7	Correct	62 ms	15964 KB	Output is correct
8	Correct	1 ms	7256 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	7260 KB	Output is correct
2	Correct	2 ms	7260 KB	Output is correct
3	Correct	1 ms	7260 KB	Output is correct
4	Correct	1 ms	7260 KB	Output is correct
5	Correct	1 ms	7260 KB	Output is correct
6	Correct	2 ms	7260 KB	Output is correct
7	Correct	2 ms	7260 KB	Output is correct
8	Correct	3 ms	7352 KB	Output is correct
9	Correct	2 ms	7256 KB	Output is correct
10	Correct	2 ms	7264 KB	Output is correct
11	Correct	2 ms	7260 KB	Output is correct
12	Correct	3 ms	7260 KB	Output is correct
13	Correct	3 ms	7264 KB	Output is correct
14	Correct	3 ms	7260 KB	Output is correct
15	Correct	3 ms	7400 KB	Output is correct
16	Correct	3 ms	7260 KB	Output is correct
17	Correct	3 ms	7260 KB	Output is correct
18	Correct	1 ms	7128 KB	Output is correct

Subtask #3
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	7260 KB	Output is correct
2	Correct	2 ms	7260 KB	Output is correct
3	Correct	1 ms	7260 KB	Output is correct
4	Correct	1 ms	7260 KB	Output is correct
5	Correct	1 ms	7260 KB	Output is correct
6	Correct	2 ms	7260 KB	Output is correct
7	Correct	2 ms	7260 KB	Output is correct
8	Correct	3 ms	7352 KB	Output is correct
9	Correct	2 ms	7256 KB	Output is correct
10	Correct	2 ms	7264 KB	Output is correct
11	Correct	2 ms	7260 KB	Output is correct
12	Correct	3 ms	7260 KB	Output is correct
13	Correct	3 ms	7264 KB	Output is correct
14	Correct	3 ms	7260 KB	Output is correct
15	Correct	3 ms	7400 KB	Output is correct
16	Correct	3 ms	7260 KB	Output is correct
17	Correct	3 ms	7260 KB	Output is correct
18	Correct	1 ms	7128 KB	Output is correct
19	Correct	3 ms	7256 KB	Output is correct
20	Correct	2 ms	7260 KB	Output is correct
21	Correct	2 ms	7260 KB	Output is correct
22	Correct	2 ms	7256 KB	Output is correct
23	Correct	2 ms	7256 KB	Output is correct
24	Correct	2 ms	7256 KB	Output is correct
25	Correct	3 ms	7260 KB	Output is correct
26	Correct	3 ms	7260 KB	Output is correct
27	Correct	3 ms	7260 KB	Output is correct
28	Correct	3 ms	7260 KB	Output is correct
29	Correct	3 ms	7396 KB	Output is correct
30	Correct	3 ms	7256 KB	Output is correct

Subtask #4
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	7256 KB	Output is correct
2	Correct	57 ms	13668 KB	Output is correct
3	Correct	59 ms	15692 KB	Output is correct
4	Correct	62 ms	15676 KB	Output is correct
5	Correct	61 ms	16008 KB	Output is correct
6	Correct	77 ms	15952 KB	Output is correct
7	Correct	62 ms	15964 KB	Output is correct
8	Correct	1 ms	7256 KB	Output is correct
9	Correct	1 ms	7260 KB	Output is correct
10	Correct	2 ms	7260 KB	Output is correct
11	Correct	1 ms	7260 KB	Output is correct
12	Correct	1 ms	7260 KB	Output is correct
13	Correct	1 ms	7260 KB	Output is correct
14	Correct	2 ms	7260 KB	Output is correct
15	Correct	2 ms	7260 KB	Output is correct
16	Correct	3 ms	7352 KB	Output is correct
17	Correct	2 ms	7256 KB	Output is correct
18	Correct	2 ms	7264 KB	Output is correct
19	Correct	2 ms	7260 KB	Output is correct
20	Correct	3 ms	7260 KB	Output is correct
21	Correct	3 ms	7264 KB	Output is correct
22	Correct	3 ms	7260 KB	Output is correct
23	Correct	3 ms	7400 KB	Output is correct
24	Correct	3 ms	7260 KB	Output is correct
25	Correct	3 ms	7260 KB	Output is correct
26	Correct	1 ms	7128 KB	Output is correct
27	Correct	3 ms	7256 KB	Output is correct
28	Correct	2 ms	7260 KB	Output is correct
29	Correct	2 ms	7260 KB	Output is correct
30	Correct	2 ms	7256 KB	Output is correct
31	Correct	2 ms	7256 KB	Output is correct
32	Correct	2 ms	7256 KB	Output is correct
33	Correct	3 ms	7260 KB	Output is correct
34	Correct	3 ms	7260 KB	Output is correct
35	Correct	3 ms	7260 KB	Output is correct
36	Correct	3 ms	7260 KB	Output is correct
37	Correct	3 ms	7396 KB	Output is correct
38	Correct	3 ms	7256 KB	Output is correct
39	Correct	113 ms	15860 KB	Output is correct
40	Correct	82 ms	15696 KB	Output is correct
41	Correct	83 ms	15700 KB	Output is correct
42	Correct	84 ms	15832 KB	Output is correct
43	Correct	84 ms	15704 KB	Output is correct
44	Correct	84 ms	15840 KB	Output is correct
45	Correct	88 ms	15700 KB	Output is correct
46	Correct	91 ms	15844 KB	Output is correct
47	Correct	88 ms	15840 KB	Output is correct
48	Correct	87 ms	15668 KB	Output is correct
49	Correct	130 ms	16132 KB	Output is correct
50	Correct	105 ms	15976 KB	Output is correct
51	Correct	108 ms	16104 KB	Output is correct
52	Correct	157 ms	18128 KB	Output is correct
53	Correct	151 ms	17116 KB	Output is correct
54	Correct	145 ms	17484 KB	Output is correct
55	Correct	165 ms	17616 KB	Output is correct
56	Correct	209 ms	20088 KB	Output is correct
57	Correct	211 ms	19916 KB	Output is correct
58	Correct	203 ms	20440 KB	Output is correct
59	Correct	207 ms	20524 KB	Output is correct
60	Correct	193 ms	20428 KB	Output is correct
61	Correct	212 ms	20160 KB	Output is correct
62	Correct	175 ms	19912 KB	Output is correct
63	Correct	183 ms	19912 KB	Output is correct
64	Correct	182 ms	19912 KB	Output is correct
65	Correct	182 ms	19920 KB	Output is correct
66	Correct	198 ms	19940 KB	Output is correct
67	Correct	207 ms	19928 KB	Output is correct

답안 #891931

Compilation message

Subtask #1 22.0 / 22.0

Subtask #2 10.0 / 10.0

Subtask #3 31.0 / 31.0

Subtask #4 37.0 / 37.0

Subtask #1
22.0 / 22.0

Subtask #2
10.0 / 10.0

Subtask #3
31.0 / 31.0

Subtask #4
37.0 / 37.0