Submission #578648

# Submission time Handle Problem Language Result Execution time Memory
578648 2022-06-17T12:38:47 Z 1ne Dreaming (IOI13_dreaming) C++14
47 / 100
122 ms 18536 KB
#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    int ans = 0;
    vector<vector<pair<int,int>>>adj(N);
    for (int i = 0;i<M;++i){
		 adj[A[i]].push_back({B[i],T[i]});
		 adj[B[i]].push_back({A[i],T[i]});
	 }
	 vector<pair<int,int>>node;
	 vector<bool>visited(N,false);
	 vector<int>pos;
	 vector<pair<int,int>>parent(N,{-1,-1});
	 for (int i = 0;i<N;++i){
		if (!visited[i]){
			int cur = i;
			int maxxy = 0;
			function<void(int,int,int)> dfs = [&](int u,int par,int score){
				visited[u] = true;
				if (score > maxxy){
					maxxy = score;
					cur = u;
				}
				for (auto x:adj[u]){
					if (x.first == par)continue;
					dfs(x.first,u,score + x.second);
				}
			};
			dfs(i,-1,0);

			int cur2 = cur,maxxy2 = 0;
			function<void(int,int)> dfs2 = [&](int u,int score){
				visited[u] = true;
				if (score > maxxy2){
					maxxy2 = score;
					cur2 = u;
				}
				for (auto x:adj[u]){
					if (x.first == parent[u].first)continue;
					parent[x.first] = {u,x.second};
					dfs2(x.first,score + x.second);
				}
			};
			dfs2(cur,0);
			ans = max(maxxy2,ans);
			node.push_back({maxxy2,cur2});
		}
	 }
	 for (auto x:node){
			int maxxy2 = x.first;
			int cur2 = x.second;
			int maxxy = maxxy2;
			int minny = maxxy;
			while(parent[cur2].first!=-1){
				maxxy-=parent[cur2].second;
				cur2 = parent[cur2].first;
				minny = min(minny,max(maxxy,maxxy2 - maxxy));
			}
			pos.push_back(minny);
	 }
	 sort(pos.begin(),pos.end());
	 if (pos.size() > 1){
		ans = max(ans,pos[pos.size() - 1] + pos[pos.size() - 2] + L);
	 }
	 if (pos.size() == 2)ans = max(ans,pos[0]);
	 return ans;
}
# Verdict Execution time Memory Grader output
1 Correct 57 ms 15572 KB Output is correct
2 Correct 78 ms 15628 KB Output is correct
3 Correct 46 ms 10248 KB Output is correct
4 Correct 8 ms 2516 KB Output is correct
5 Correct 6 ms 1520 KB Output is correct
6 Correct 16 ms 3604 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 35 ms 5444 KB Output is correct
9 Correct 41 ms 8176 KB Output is correct
10 Correct 1 ms 388 KB Output is correct
11 Correct 70 ms 10008 KB Output is correct
12 Correct 72 ms 12720 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 57 ms 15572 KB Output is correct
2 Correct 78 ms 15628 KB Output is correct
3 Correct 46 ms 10248 KB Output is correct
4 Correct 8 ms 2516 KB Output is correct
5 Correct 6 ms 1520 KB Output is correct
6 Correct 16 ms 3604 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 35 ms 5444 KB Output is correct
9 Correct 41 ms 8176 KB Output is correct
10 Correct 1 ms 388 KB Output is correct
11 Correct 70 ms 10008 KB Output is correct
12 Correct 72 ms 12720 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 58 ms 15564 KB Output is correct
40 Correct 58 ms 15624 KB Output is correct
41 Correct 37 ms 10336 KB Output is correct
42 Correct 7 ms 2516 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 97 ms 8592 KB Output is correct
58 Correct 105 ms 8488 KB Output is correct
59 Correct 59 ms 8524 KB Output is correct
60 Correct 122 ms 8576 KB Output is correct
61 Correct 80 ms 8460 KB Output is correct
62 Correct 61 ms 8444 KB Output is correct
63 Correct 90 ms 8364 KB Output is correct
64 Correct 71 ms 8292 KB Output is correct
65 Correct 64 ms 8204 KB Output is correct
66 Correct 83 ms 8288 KB Output is correct
67 Correct 101 ms 8524 KB Output is correct
68 Correct 103 ms 8592 KB Output is correct
69 Correct 97 ms 8560 KB Output is correct
70 Correct 89 ms 8488 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 2 ms 468 KB Output is correct
73 Correct 3 ms 468 KB Output is correct
74 Correct 2 ms 468 KB Output is correct
75 Correct 2 ms 468 KB Output is correct
76 Correct 2 ms 468 KB Output is correct
77 Correct 2 ms 468 KB Output is correct
78 Correct 2 ms 468 KB Output is correct
79 Correct 2 ms 468 KB Output is correct
80 Correct 99 ms 8548 KB Output is correct
81 Correct 83 ms 8564 KB Output is correct
82 Correct 63 ms 8380 KB Output is correct
83 Correct 63 ms 8396 KB Output is correct
84 Correct 2 ms 468 KB Output is correct
85 Correct 2 ms 456 KB Output is correct
86 Correct 2 ms 404 KB Output is correct
87 Correct 2 ms 472 KB Output is correct
88 Correct 1 ms 468 KB Output is correct
89 Correct 2 ms 468 KB Output is correct
90 Correct 2 ms 468 KB Output is correct
91 Correct 2 ms 468 KB Output is correct
92 Correct 2 ms 468 KB Output is correct
93 Correct 2 ms 468 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 212 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 1 ms 212 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 1 ms 320 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 5 ms 1492 KB Output is correct
105 Correct 13 ms 3620 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 28 ms 5556 KB Output is correct
108 Correct 34 ms 8184 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 54 ms 9872 KB Output is correct
111 Correct 63 ms 12704 KB Output is correct
112 Correct 1 ms 340 KB Output is correct
113 Correct 98 ms 18536 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 33 ms 6564 KB Output is correct
2 Incorrect 36 ms 6468 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 1 ms 468 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Incorrect 1 ms 340 KB Output isn't correct
33 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 57 ms 15572 KB Output is correct
2 Correct 78 ms 15628 KB Output is correct
3 Correct 46 ms 10248 KB Output is correct
4 Correct 8 ms 2516 KB Output is correct
5 Correct 6 ms 1520 KB Output is correct
6 Correct 16 ms 3604 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 35 ms 5444 KB Output is correct
9 Correct 41 ms 8176 KB Output is correct
10 Correct 1 ms 388 KB Output is correct
11 Correct 70 ms 10008 KB Output is correct
12 Correct 72 ms 12720 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 58 ms 15564 KB Output is correct
40 Correct 58 ms 15624 KB Output is correct
41 Correct 37 ms 10336 KB Output is correct
42 Correct 7 ms 2516 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 0 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 97 ms 8592 KB Output is correct
58 Correct 105 ms 8488 KB Output is correct
59 Correct 59 ms 8524 KB Output is correct
60 Correct 122 ms 8576 KB Output is correct
61 Correct 80 ms 8460 KB Output is correct
62 Correct 61 ms 8444 KB Output is correct
63 Correct 90 ms 8364 KB Output is correct
64 Correct 71 ms 8292 KB Output is correct
65 Correct 64 ms 8204 KB Output is correct
66 Correct 83 ms 8288 KB Output is correct
67 Correct 101 ms 8524 KB Output is correct
68 Correct 103 ms 8592 KB Output is correct
69 Correct 97 ms 8560 KB Output is correct
70 Correct 89 ms 8488 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 2 ms 468 KB Output is correct
73 Correct 3 ms 468 KB Output is correct
74 Correct 2 ms 468 KB Output is correct
75 Correct 2 ms 468 KB Output is correct
76 Correct 2 ms 468 KB Output is correct
77 Correct 2 ms 468 KB Output is correct
78 Correct 2 ms 468 KB Output is correct
79 Correct 2 ms 468 KB Output is correct
80 Correct 99 ms 8548 KB Output is correct
81 Correct 83 ms 8564 KB Output is correct
82 Correct 63 ms 8380 KB Output is correct
83 Correct 63 ms 8396 KB Output is correct
84 Correct 2 ms 468 KB Output is correct
85 Correct 2 ms 456 KB Output is correct
86 Correct 2 ms 404 KB Output is correct
87 Correct 2 ms 472 KB Output is correct
88 Correct 1 ms 468 KB Output is correct
89 Correct 2 ms 468 KB Output is correct
90 Correct 2 ms 468 KB Output is correct
91 Correct 2 ms 468 KB Output is correct
92 Correct 2 ms 468 KB Output is correct
93 Correct 2 ms 468 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 0 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 1 ms 212 KB Output is correct
98 Correct 0 ms 212 KB Output is correct
99 Correct 1 ms 212 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 1 ms 320 KB Output is correct
102 Correct 1 ms 212 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 5 ms 1492 KB Output is correct
105 Correct 13 ms 3620 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 28 ms 5556 KB Output is correct
108 Correct 34 ms 8184 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 54 ms 9872 KB Output is correct
111 Correct 63 ms 12704 KB Output is correct
112 Correct 1 ms 340 KB Output is correct
113 Correct 98 ms 18536 KB Output is correct
114 Correct 33 ms 6564 KB Output is correct
115 Incorrect 36 ms 6468 KB Output isn't correct
116 Halted 0 ms 0 KB -