Submission #164799

# Submission time Handle Problem Language Result Execution time Memory
164799 2019-11-23T12:34:43 Z Berted Dreaming (IOI13_dreaming) C++14
47 / 100
108 ms 13536 KB
#include "dreaming.h"
#include <vector>
#include <iostream>
#include <queue>
using namespace std;
#define pii pair<int,int>
#define fst first
#define snd second
#define vpi vector<pii>
#define pub push_back

int n,m,l,dp[100001][2]={},mn = 1e9,rs = 0;
bool bt[100001]={};
priority_queue<int,vector<int>,greater<int>> pq;
vector<vpi> adj;

inline void dfs(int u,int p)
{
	bt[u] = 1;
	for (auto v:adj[u])
	{
		if (v.fst!=p)
		{
			dfs(v.fst,u);
			if (dp[v.fst][0] + v.snd > dp[u][0])
			{
				dp[u][1] = dp[u][0];
				dp[u][0] = dp[v.fst][0] + v.snd;
			}
			else if (dp[v.fst][0] + v.snd > dp[u][1])
			{
				dp[u][1] = dp[v.fst][0] + v.snd;
			}
		}
	}
}

inline void dfs2(int u,int p,int mx)
{
	mn = min(mn,max(mx,dp[u][0]));
	rs = max(rs,dp[u][0] + max(dp[u][1],mx));
	for (auto v:adj[u])
	{
		if (v.fst!=p)
		{
			bt[u] = 1;
			dfs2(v.fst,u,max(mx,(dp[u][0]==dp[v.fst][0] + v.snd)?dp[u][1]:dp[u][0]) + v.snd);
		}
	}
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) 
{
	n = N;
	m = M;
	l = L;
	for (int i=0;i<n;i++) {adj.pub(vpi());}
	for (int i=0;i<m;i++)
	{
		adj[A[i]].pub({B[i],T[i]});
		adj[B[i]].pub({A[i],T[i]});
	}
	for (int i=0;i<n;i++)
	{
		if (!bt[i])
		{
			dfs(i,-1);
			dfs2(i,-1,0);
			//cout<<i<<" "<<mn<<"\n";
			pq.push(mn);
			mn = 1e9;
		}
	}
	while (pq.size()>1)
	{
		int v1 = pq.top();pq.pop();
		int v2 = pq.top();pq.pop();
		pq.push(min(max(v1,v2+l),max(v2,v1+l)));
		rs = max(rs,v1+v2+l);
	}
	return rs;
}
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10472 KB Output is correct
2 Correct 74 ms 10340 KB Output is correct
3 Correct 42 ms 7912 KB Output is correct
4 Correct 11 ms 1908 KB Output is correct
5 Correct 9 ms 1268 KB Output is correct
6 Correct 18 ms 2668 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 31 ms 4688 KB Output is correct
9 Correct 40 ms 6508 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 61 ms 8100 KB Output is correct
12 Correct 66 ms 9156 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10472 KB Output is correct
2 Correct 74 ms 10340 KB Output is correct
3 Correct 42 ms 7912 KB Output is correct
4 Correct 11 ms 1908 KB Output is correct
5 Correct 9 ms 1268 KB Output is correct
6 Correct 18 ms 2668 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 31 ms 4688 KB Output is correct
9 Correct 40 ms 6508 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 61 ms 8100 KB Output is correct
12 Correct 66 ms 9156 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 372 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10472 KB Output is correct
2 Correct 74 ms 10340 KB Output is correct
3 Correct 42 ms 7912 KB Output is correct
4 Correct 11 ms 1908 KB Output is correct
5 Correct 9 ms 1268 KB Output is correct
6 Correct 18 ms 2668 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 31 ms 4688 KB Output is correct
9 Correct 40 ms 6508 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 61 ms 8100 KB Output is correct
12 Correct 66 ms 9156 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 372 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 62 ms 10520 KB Output is correct
40 Correct 62 ms 10332 KB Output is correct
41 Correct 42 ms 7912 KB Output is correct
42 Correct 10 ms 1908 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 380 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 90 ms 10084 KB Output is correct
58 Correct 108 ms 10056 KB Output is correct
59 Correct 99 ms 9952 KB Output is correct
60 Correct 91 ms 9952 KB Output is correct
61 Correct 92 ms 10136 KB Output is correct
62 Correct 96 ms 10080 KB Output is correct
63 Correct 78 ms 9800 KB Output is correct
64 Correct 93 ms 9696 KB Output is correct
65 Correct 84 ms 10012 KB Output is correct
66 Correct 83 ms 10084 KB Output is correct
67 Correct 84 ms 9952 KB Output is correct
68 Correct 90 ms 9952 KB Output is correct
69 Correct 81 ms 10208 KB Output is correct
70 Correct 81 ms 10340 KB Output is correct
71 Correct 3 ms 376 KB Output is correct
72 Correct 4 ms 632 KB Output is correct
73 Correct 4 ms 632 KB Output is correct
74 Correct 4 ms 632 KB Output is correct
75 Correct 4 ms 636 KB Output is correct
76 Correct 4 ms 632 KB Output is correct
77 Correct 4 ms 632 KB Output is correct
78 Correct 4 ms 628 KB Output is correct
79 Correct 4 ms 632 KB Output is correct
80 Correct 83 ms 9924 KB Output is correct
81 Correct 78 ms 9952 KB Output is correct
82 Correct 89 ms 10076 KB Output is correct
83 Correct 99 ms 10212 KB Output is correct
84 Correct 4 ms 632 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 632 KB Output is correct
87 Correct 4 ms 632 KB Output is correct
88 Correct 4 ms 632 KB Output is correct
89 Correct 4 ms 632 KB Output is correct
90 Correct 12 ms 632 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 4 ms 632 KB Output is correct
93 Correct 4 ms 632 KB Output is correct
94 Correct 2 ms 380 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 2 ms 376 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 380 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 368 KB Output is correct
104 Correct 9 ms 1268 KB Output is correct
105 Correct 17 ms 2540 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 33 ms 4840 KB Output is correct
108 Correct 44 ms 6376 KB Output is correct
109 Correct 2 ms 376 KB Output is correct
110 Correct 58 ms 8036 KB Output is correct
111 Correct 64 ms 9188 KB Output is correct
112 Correct 2 ms 376 KB Output is correct
113 Correct 96 ms 13536 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 45 ms 6628 KB Output is correct
2 Incorrect 46 ms 6628 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10472 KB Output is correct
2 Correct 74 ms 10340 KB Output is correct
3 Correct 42 ms 7912 KB Output is correct
4 Correct 11 ms 1908 KB Output is correct
5 Correct 9 ms 1268 KB Output is correct
6 Correct 18 ms 2668 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 31 ms 4688 KB Output is correct
9 Correct 40 ms 6508 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 61 ms 8100 KB Output is correct
12 Correct 66 ms 9156 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 4 ms 632 KB Output is correct
17 Incorrect 3 ms 376 KB Output isn't correct
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 63 ms 10472 KB Output is correct
2 Correct 74 ms 10340 KB Output is correct
3 Correct 42 ms 7912 KB Output is correct
4 Correct 11 ms 1908 KB Output is correct
5 Correct 9 ms 1268 KB Output is correct
6 Correct 18 ms 2668 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 31 ms 4688 KB Output is correct
9 Correct 40 ms 6508 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 61 ms 8100 KB Output is correct
12 Correct 66 ms 9156 KB Output is correct
13 Correct 3 ms 504 KB Output is correct
14 Correct 2 ms 372 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 380 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 62 ms 10520 KB Output is correct
40 Correct 62 ms 10332 KB Output is correct
41 Correct 42 ms 7912 KB Output is correct
42 Correct 10 ms 1908 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 380 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 2 ms 376 KB Output is correct
54 Correct 2 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 2 ms 376 KB Output is correct
57 Correct 90 ms 10084 KB Output is correct
58 Correct 108 ms 10056 KB Output is correct
59 Correct 99 ms 9952 KB Output is correct
60 Correct 91 ms 9952 KB Output is correct
61 Correct 92 ms 10136 KB Output is correct
62 Correct 96 ms 10080 KB Output is correct
63 Correct 78 ms 9800 KB Output is correct
64 Correct 93 ms 9696 KB Output is correct
65 Correct 84 ms 10012 KB Output is correct
66 Correct 83 ms 10084 KB Output is correct
67 Correct 84 ms 9952 KB Output is correct
68 Correct 90 ms 9952 KB Output is correct
69 Correct 81 ms 10208 KB Output is correct
70 Correct 81 ms 10340 KB Output is correct
71 Correct 3 ms 376 KB Output is correct
72 Correct 4 ms 632 KB Output is correct
73 Correct 4 ms 632 KB Output is correct
74 Correct 4 ms 632 KB Output is correct
75 Correct 4 ms 636 KB Output is correct
76 Correct 4 ms 632 KB Output is correct
77 Correct 4 ms 632 KB Output is correct
78 Correct 4 ms 628 KB Output is correct
79 Correct 4 ms 632 KB Output is correct
80 Correct 83 ms 9924 KB Output is correct
81 Correct 78 ms 9952 KB Output is correct
82 Correct 89 ms 10076 KB Output is correct
83 Correct 99 ms 10212 KB Output is correct
84 Correct 4 ms 632 KB Output is correct
85 Correct 3 ms 504 KB Output is correct
86 Correct 3 ms 632 KB Output is correct
87 Correct 4 ms 632 KB Output is correct
88 Correct 4 ms 632 KB Output is correct
89 Correct 4 ms 632 KB Output is correct
90 Correct 12 ms 632 KB Output is correct
91 Correct 4 ms 632 KB Output is correct
92 Correct 4 ms 632 KB Output is correct
93 Correct 4 ms 632 KB Output is correct
94 Correct 2 ms 380 KB Output is correct
95 Correct 2 ms 376 KB Output is correct
96 Correct 2 ms 376 KB Output is correct
97 Correct 2 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 2 ms 376 KB Output is correct
100 Correct 2 ms 376 KB Output is correct
101 Correct 2 ms 380 KB Output is correct
102 Correct 2 ms 376 KB Output is correct
103 Correct 2 ms 368 KB Output is correct
104 Correct 9 ms 1268 KB Output is correct
105 Correct 17 ms 2540 KB Output is correct
106 Correct 2 ms 376 KB Output is correct
107 Correct 33 ms 4840 KB Output is correct
108 Correct 44 ms 6376 KB Output is correct
109 Correct 2 ms 376 KB Output is correct
110 Correct 58 ms 8036 KB Output is correct
111 Correct 64 ms 9188 KB Output is correct
112 Correct 2 ms 376 KB Output is correct
113 Correct 96 ms 13536 KB Output is correct
114 Correct 45 ms 6628 KB Output is correct
115 Incorrect 46 ms 6628 KB Output isn't correct
116 Halted 0 ms 0 KB -