Submission #578646

# Submission time Handle Problem Language Result Execution time Memory
578646 2022-06-17T12:38:26 Z 1ne Dreaming (IOI13_dreaming) C++14
47 / 100
96 ms 18488 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 55 ms 15632 KB Output is correct
2 Correct 54 ms 15620 KB Output is correct
3 Correct 33 ms 10324 KB Output is correct
4 Correct 7 ms 2572 KB Output is correct
5 Correct 7 ms 1492 KB Output is correct
6 Correct 12 ms 3612 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 5536 KB Output is correct
9 Correct 31 ms 8284 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 58 ms 9988 KB Output is correct
12 Correct 62 ms 12632 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 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 0 ms 212 KB Output is correct
19 Correct 0 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 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 55 ms 15632 KB Output is correct
2 Correct 54 ms 15620 KB Output is correct
3 Correct 33 ms 10324 KB Output is correct
4 Correct 7 ms 2572 KB Output is correct
5 Correct 7 ms 1492 KB Output is correct
6 Correct 12 ms 3612 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 5536 KB Output is correct
9 Correct 31 ms 8284 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 58 ms 9988 KB Output is correct
12 Correct 62 ms 12632 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 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 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 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 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 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 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 53 ms 15564 KB Output is correct
40 Correct 53 ms 15524 KB Output is correct
41 Correct 34 ms 10324 KB Output is correct
42 Correct 6 ms 2516 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 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 73 ms 8548 KB Output is correct
58 Correct 91 ms 8488 KB Output is correct
59 Correct 69 ms 8508 KB Output is correct
60 Correct 75 ms 8580 KB Output is correct
61 Correct 66 ms 8424 KB Output is correct
62 Correct 68 ms 8456 KB Output is correct
63 Correct 55 ms 8292 KB Output is correct
64 Correct 65 ms 8172 KB Output is correct
65 Correct 58 ms 8248 KB Output is correct
66 Correct 61 ms 8212 KB Output is correct
67 Correct 60 ms 8596 KB Output is correct
68 Correct 60 ms 8524 KB Output is correct
69 Correct 59 ms 8544 KB Output is correct
70 Correct 85 ms 8564 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 3 ms 468 KB Output is correct
73 Correct 2 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 1 ms 468 KB Output is correct
80 Correct 69 ms 8484 KB Output is correct
81 Correct 68 ms 8560 KB Output is correct
82 Correct 92 ms 8352 KB Output is correct
83 Correct 62 ms 8464 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 1 ms 468 KB Output is correct
86 Correct 1 ms 468 KB Output is correct
87 Correct 1 ms 468 KB Output is correct
88 Correct 2 ms 468 KB Output is correct
89 Correct 1 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 0 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 0 ms 212 KB Output is correct
100 Correct 0 ms 212 KB Output is correct
101 Correct 0 ms 212 KB Output is correct
102 Correct 0 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 12 ms 3592 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 31 ms 5504 KB Output is correct
108 Correct 28 ms 8244 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 66 ms 9888 KB Output is correct
111 Correct 83 ms 12708 KB Output is correct
112 Correct 1 ms 340 KB Output is correct
113 Correct 96 ms 18488 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 28 ms 6452 KB Output is correct
2 Incorrect 39 ms 6956 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 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 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 0 ms 212 KB Output is correct
19 Correct 0 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 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 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 340 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 55 ms 15632 KB Output is correct
2 Correct 54 ms 15620 KB Output is correct
3 Correct 33 ms 10324 KB Output is correct
4 Correct 7 ms 2572 KB Output is correct
5 Correct 7 ms 1492 KB Output is correct
6 Correct 12 ms 3612 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 26 ms 5536 KB Output is correct
9 Correct 31 ms 8284 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 58 ms 9988 KB Output is correct
12 Correct 62 ms 12632 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 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 0 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 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 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 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 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 53 ms 15564 KB Output is correct
40 Correct 53 ms 15524 KB Output is correct
41 Correct 34 ms 10324 KB Output is correct
42 Correct 6 ms 2516 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 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 73 ms 8548 KB Output is correct
58 Correct 91 ms 8488 KB Output is correct
59 Correct 69 ms 8508 KB Output is correct
60 Correct 75 ms 8580 KB Output is correct
61 Correct 66 ms 8424 KB Output is correct
62 Correct 68 ms 8456 KB Output is correct
63 Correct 55 ms 8292 KB Output is correct
64 Correct 65 ms 8172 KB Output is correct
65 Correct 58 ms 8248 KB Output is correct
66 Correct 61 ms 8212 KB Output is correct
67 Correct 60 ms 8596 KB Output is correct
68 Correct 60 ms 8524 KB Output is correct
69 Correct 59 ms 8544 KB Output is correct
70 Correct 85 ms 8564 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 3 ms 468 KB Output is correct
73 Correct 2 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 1 ms 468 KB Output is correct
80 Correct 69 ms 8484 KB Output is correct
81 Correct 68 ms 8560 KB Output is correct
82 Correct 92 ms 8352 KB Output is correct
83 Correct 62 ms 8464 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 1 ms 468 KB Output is correct
86 Correct 1 ms 468 KB Output is correct
87 Correct 1 ms 468 KB Output is correct
88 Correct 2 ms 468 KB Output is correct
89 Correct 1 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 0 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 0 ms 212 KB Output is correct
100 Correct 0 ms 212 KB Output is correct
101 Correct 0 ms 212 KB Output is correct
102 Correct 0 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 12 ms 3592 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 31 ms 5504 KB Output is correct
108 Correct 28 ms 8244 KB Output is correct
109 Correct 1 ms 340 KB Output is correct
110 Correct 66 ms 9888 KB Output is correct
111 Correct 83 ms 12708 KB Output is correct
112 Correct 1 ms 340 KB Output is correct
113 Correct 96 ms 18488 KB Output is correct
114 Correct 28 ms 6452 KB Output is correct
115 Incorrect 39 ms 6956 KB Output isn't correct
116 Halted 0 ms 0 KB -