Submission #134800

# Submission time Handle Problem Language Result Execution time Memory
134800 2019-07-23T09:33:22 Z mirbek01 Dreaming (IOI13_dreaming) C++11
47 / 100
139 ms 25336 KB
#include "dreaming.h"
//#include "grader.cpp"
#include <bits/stdc++.h>

using namespace std;

const int N = 1e5 + 3;

int u[N], dw[N], up[N], ans, mx;
vector < pair <int, int> >  g[N];

void dfs(int v, int pr){
	u[v] = 1;
	int mx1 = 0, mx2 = 0;
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr)
			continue;
		dfs(to, v);
		dw[v] = max(dw[v], dw[to] + len); 
		if(mx1 < dw[to] + len)
			mx2 = mx1, mx1 = dw[to] + len;
		else 
			mx2 = max(mx2, dw[to] + len);
	} 
	ans = max(ans, mx1 + mx2);
}
	
void dfs1(int v, int pr){
	mx = min(mx, max(up[v], dw[v]));
	vector < pair <int, int> > vec;
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr) continue;
		vec.push_back( {dw[to] + len, to} );
	}
	sort(vec.rbegin(), vec.rend());
	for(int i = 0; i < (int)g[v].size(); i ++){
		int to = g[v][i].first, len = g[v][i].second;
		if(to == pr)
			continue;
		up[to] = max(up[to], up[v] + len);
		if(to == vec[0].second){
			if((int)vec.size() > 1)
				up[to] = max(up[to], vec[1].first + len), 
				up[to] = max(up[to], up[v] + len);	
		} else {
			up[to] = max(up[to], vec[0].first + len),
			up[to] = max(up[to], up[v] + len);
		}
		dfs1(to, v);
	}
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	for(int i = 0; i < M; i ++){
		int u = A[i], v = B[i], w = T[i];
		g[u].push_back( {v, w} );
		g[v].push_back( {u, w} );
	}

	vector <int> vec;
	
	for(int i = 0; i < N; i ++){
		if(!u[i]){
			mx = 2e9;
			dfs(i, -1);
			dfs1(i, -1);
			vec.push_back(mx);
		}
	}
	
	sort(vec.rbegin(), vec.rend());
	
	if((int)vec.size() > 1)
		ans = max(ans, vec[0] + vec[1] + L);
		
	return ans;
}
/**
12 8 2
0 8 4
8 2 2
2 7 4
5 11 3
5 1 7
1 3 1
1 9 5
10 6 3
**/
# Verdict Execution time Memory Grader output
1 Correct 80 ms 15608 KB Output is correct
2 Correct 81 ms 14968 KB Output is correct
3 Correct 57 ms 13948 KB Output is correct
4 Correct 14 ms 4472 KB Output is correct
5 Correct 12 ms 3704 KB Output is correct
6 Correct 22 ms 5500 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 38 ms 8440 KB Output is correct
9 Correct 50 ms 12280 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 69 ms 12920 KB Output is correct
12 Correct 110 ms 14708 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 80 ms 15608 KB Output is correct
2 Correct 81 ms 14968 KB Output is correct
3 Correct 57 ms 13948 KB Output is correct
4 Correct 14 ms 4472 KB Output is correct
5 Correct 12 ms 3704 KB Output is correct
6 Correct 22 ms 5500 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 38 ms 8440 KB Output is correct
9 Correct 50 ms 12280 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 69 ms 12920 KB Output is correct
12 Correct 110 ms 14708 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 4 ms 2684 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2724 KB Output is correct
17 Correct 4 ms 2684 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 5 ms 2808 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 4 ms 2680 KB Output is correct
24 Correct 4 ms 2680 KB Output is correct
25 Correct 4 ms 2684 KB Output is correct
26 Correct 5 ms 2728 KB Output is correct
27 Correct 4 ms 2680 KB Output is correct
28 Correct 4 ms 2680 KB Output is correct
29 Correct 5 ms 2680 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 4 ms 2680 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct
33 Correct 4 ms 2680 KB Output is correct
34 Correct 4 ms 2808 KB Output is correct
35 Correct 5 ms 2680 KB Output is correct
36 Correct 4 ms 2680 KB Output is correct
37 Correct 4 ms 2680 KB Output is correct
38 Correct 4 ms 2680 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 80 ms 15608 KB Output is correct
2 Correct 81 ms 14968 KB Output is correct
3 Correct 57 ms 13948 KB Output is correct
4 Correct 14 ms 4472 KB Output is correct
5 Correct 12 ms 3704 KB Output is correct
6 Correct 22 ms 5500 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 38 ms 8440 KB Output is correct
9 Correct 50 ms 12280 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 69 ms 12920 KB Output is correct
12 Correct 110 ms 14708 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 4 ms 2684 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2724 KB Output is correct
17 Correct 4 ms 2684 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 5 ms 2808 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 4 ms 2680 KB Output is correct
24 Correct 4 ms 2680 KB Output is correct
25 Correct 4 ms 2684 KB Output is correct
26 Correct 5 ms 2728 KB Output is correct
27 Correct 4 ms 2680 KB Output is correct
28 Correct 4 ms 2680 KB Output is correct
29 Correct 5 ms 2680 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 4 ms 2680 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct
33 Correct 4 ms 2680 KB Output is correct
34 Correct 4 ms 2808 KB Output is correct
35 Correct 5 ms 2680 KB Output is correct
36 Correct 4 ms 2680 KB Output is correct
37 Correct 4 ms 2680 KB Output is correct
38 Correct 4 ms 2680 KB Output is correct
39 Correct 79 ms 16888 KB Output is correct
40 Correct 81 ms 16256 KB Output is correct
41 Correct 56 ms 14932 KB Output is correct
42 Correct 15 ms 4728 KB Output is correct
43 Correct 4 ms 2680 KB Output is correct
44 Correct 4 ms 2680 KB Output is correct
45 Correct 4 ms 2680 KB Output is correct
46 Correct 4 ms 2680 KB Output is correct
47 Correct 4 ms 2680 KB Output is correct
48 Correct 4 ms 2680 KB Output is correct
49 Correct 4 ms 2684 KB Output is correct
50 Correct 4 ms 2680 KB Output is correct
51 Correct 4 ms 2680 KB Output is correct
52 Correct 4 ms 2680 KB Output is correct
53 Correct 4 ms 2680 KB Output is correct
54 Correct 4 ms 2680 KB Output is correct
55 Correct 4 ms 2680 KB Output is correct
56 Correct 4 ms 2680 KB Output is correct
57 Correct 130 ms 10496 KB Output is correct
58 Correct 122 ms 10388 KB Output is correct
59 Correct 116 ms 10488 KB Output is correct
60 Correct 91 ms 10316 KB Output is correct
61 Correct 93 ms 10360 KB Output is correct
62 Correct 132 ms 10360 KB Output is correct
63 Correct 88 ms 10104 KB Output is correct
64 Correct 88 ms 9976 KB Output is correct
65 Correct 88 ms 10404 KB Output is correct
66 Correct 89 ms 10360 KB Output is correct
67 Correct 91 ms 10360 KB Output is correct
68 Correct 98 ms 10488 KB Output is correct
69 Correct 105 ms 10616 KB Output is correct
70 Correct 96 ms 10616 KB Output is correct
71 Correct 4 ms 2680 KB Output is correct
72 Correct 7 ms 2904 KB Output is correct
73 Correct 6 ms 2940 KB Output is correct
74 Correct 6 ms 2936 KB Output is correct
75 Correct 6 ms 2940 KB Output is correct
76 Correct 6 ms 2936 KB Output is correct
77 Correct 6 ms 2936 KB Output is correct
78 Correct 6 ms 2888 KB Output is correct
79 Correct 6 ms 2936 KB Output is correct
80 Correct 127 ms 10404 KB Output is correct
81 Correct 139 ms 10360 KB Output is correct
82 Correct 96 ms 10308 KB Output is correct
83 Correct 97 ms 10424 KB Output is correct
84 Correct 5 ms 2936 KB Output is correct
85 Correct 5 ms 2812 KB Output is correct
86 Correct 6 ms 2808 KB Output is correct
87 Correct 6 ms 2936 KB Output is correct
88 Correct 6 ms 2936 KB Output is correct
89 Correct 6 ms 2936 KB Output is correct
90 Correct 6 ms 2936 KB Output is correct
91 Correct 6 ms 2936 KB Output is correct
92 Correct 6 ms 2936 KB Output is correct
93 Correct 6 ms 2936 KB Output is correct
94 Correct 4 ms 2680 KB Output is correct
95 Correct 5 ms 2680 KB Output is correct
96 Correct 5 ms 2680 KB Output is correct
97 Correct 4 ms 2680 KB Output is correct
98 Correct 5 ms 2680 KB Output is correct
99 Correct 4 ms 2680 KB Output is correct
100 Correct 4 ms 2680 KB Output is correct
101 Correct 4 ms 2680 KB Output is correct
102 Correct 4 ms 2680 KB Output is correct
103 Correct 4 ms 2680 KB Output is correct
104 Correct 12 ms 3832 KB Output is correct
105 Correct 22 ms 5792 KB Output is correct
106 Correct 4 ms 2808 KB Output is correct
107 Correct 38 ms 8440 KB Output is correct
108 Correct 54 ms 12252 KB Output is correct
109 Correct 5 ms 2808 KB Output is correct
110 Correct 76 ms 12900 KB Output is correct
111 Correct 81 ms 14712 KB Output is correct
112 Correct 5 ms 2808 KB Output is correct
113 Correct 132 ms 25336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 33 ms 6520 KB Output is correct
2 Incorrect 35 ms 6524 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 80 ms 15608 KB Output is correct
2 Correct 81 ms 14968 KB Output is correct
3 Correct 57 ms 13948 KB Output is correct
4 Correct 14 ms 4472 KB Output is correct
5 Correct 12 ms 3704 KB Output is correct
6 Correct 22 ms 5500 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 38 ms 8440 KB Output is correct
9 Correct 50 ms 12280 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 69 ms 12920 KB Output is correct
12 Correct 110 ms 14708 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2808 KB Output is correct
16 Correct 6 ms 2864 KB Output is correct
17 Correct 5 ms 2680 KB Output is correct
18 Correct 6 ms 2808 KB Output is correct
19 Correct 7 ms 2936 KB Output is correct
20 Incorrect 4 ms 2680 KB Output isn't correct
21 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 80 ms 15608 KB Output is correct
2 Correct 81 ms 14968 KB Output is correct
3 Correct 57 ms 13948 KB Output is correct
4 Correct 14 ms 4472 KB Output is correct
5 Correct 12 ms 3704 KB Output is correct
6 Correct 22 ms 5500 KB Output is correct
7 Correct 4 ms 2808 KB Output is correct
8 Correct 38 ms 8440 KB Output is correct
9 Correct 50 ms 12280 KB Output is correct
10 Correct 4 ms 2808 KB Output is correct
11 Correct 69 ms 12920 KB Output is correct
12 Correct 110 ms 14708 KB Output is correct
13 Correct 5 ms 2808 KB Output is correct
14 Correct 4 ms 2684 KB Output is correct
15 Correct 4 ms 2680 KB Output is correct
16 Correct 4 ms 2724 KB Output is correct
17 Correct 4 ms 2684 KB Output is correct
18 Correct 4 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 4 ms 2680 KB Output is correct
21 Correct 5 ms 2808 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 4 ms 2680 KB Output is correct
24 Correct 4 ms 2680 KB Output is correct
25 Correct 4 ms 2684 KB Output is correct
26 Correct 5 ms 2728 KB Output is correct
27 Correct 4 ms 2680 KB Output is correct
28 Correct 4 ms 2680 KB Output is correct
29 Correct 5 ms 2680 KB Output is correct
30 Correct 4 ms 2680 KB Output is correct
31 Correct 4 ms 2680 KB Output is correct
32 Correct 5 ms 2680 KB Output is correct
33 Correct 4 ms 2680 KB Output is correct
34 Correct 4 ms 2808 KB Output is correct
35 Correct 5 ms 2680 KB Output is correct
36 Correct 4 ms 2680 KB Output is correct
37 Correct 4 ms 2680 KB Output is correct
38 Correct 4 ms 2680 KB Output is correct
39 Correct 79 ms 16888 KB Output is correct
40 Correct 81 ms 16256 KB Output is correct
41 Correct 56 ms 14932 KB Output is correct
42 Correct 15 ms 4728 KB Output is correct
43 Correct 4 ms 2680 KB Output is correct
44 Correct 4 ms 2680 KB Output is correct
45 Correct 4 ms 2680 KB Output is correct
46 Correct 4 ms 2680 KB Output is correct
47 Correct 4 ms 2680 KB Output is correct
48 Correct 4 ms 2680 KB Output is correct
49 Correct 4 ms 2684 KB Output is correct
50 Correct 4 ms 2680 KB Output is correct
51 Correct 4 ms 2680 KB Output is correct
52 Correct 4 ms 2680 KB Output is correct
53 Correct 4 ms 2680 KB Output is correct
54 Correct 4 ms 2680 KB Output is correct
55 Correct 4 ms 2680 KB Output is correct
56 Correct 4 ms 2680 KB Output is correct
57 Correct 130 ms 10496 KB Output is correct
58 Correct 122 ms 10388 KB Output is correct
59 Correct 116 ms 10488 KB Output is correct
60 Correct 91 ms 10316 KB Output is correct
61 Correct 93 ms 10360 KB Output is correct
62 Correct 132 ms 10360 KB Output is correct
63 Correct 88 ms 10104 KB Output is correct
64 Correct 88 ms 9976 KB Output is correct
65 Correct 88 ms 10404 KB Output is correct
66 Correct 89 ms 10360 KB Output is correct
67 Correct 91 ms 10360 KB Output is correct
68 Correct 98 ms 10488 KB Output is correct
69 Correct 105 ms 10616 KB Output is correct
70 Correct 96 ms 10616 KB Output is correct
71 Correct 4 ms 2680 KB Output is correct
72 Correct 7 ms 2904 KB Output is correct
73 Correct 6 ms 2940 KB Output is correct
74 Correct 6 ms 2936 KB Output is correct
75 Correct 6 ms 2940 KB Output is correct
76 Correct 6 ms 2936 KB Output is correct
77 Correct 6 ms 2936 KB Output is correct
78 Correct 6 ms 2888 KB Output is correct
79 Correct 6 ms 2936 KB Output is correct
80 Correct 127 ms 10404 KB Output is correct
81 Correct 139 ms 10360 KB Output is correct
82 Correct 96 ms 10308 KB Output is correct
83 Correct 97 ms 10424 KB Output is correct
84 Correct 5 ms 2936 KB Output is correct
85 Correct 5 ms 2812 KB Output is correct
86 Correct 6 ms 2808 KB Output is correct
87 Correct 6 ms 2936 KB Output is correct
88 Correct 6 ms 2936 KB Output is correct
89 Correct 6 ms 2936 KB Output is correct
90 Correct 6 ms 2936 KB Output is correct
91 Correct 6 ms 2936 KB Output is correct
92 Correct 6 ms 2936 KB Output is correct
93 Correct 6 ms 2936 KB Output is correct
94 Correct 4 ms 2680 KB Output is correct
95 Correct 5 ms 2680 KB Output is correct
96 Correct 5 ms 2680 KB Output is correct
97 Correct 4 ms 2680 KB Output is correct
98 Correct 5 ms 2680 KB Output is correct
99 Correct 4 ms 2680 KB Output is correct
100 Correct 4 ms 2680 KB Output is correct
101 Correct 4 ms 2680 KB Output is correct
102 Correct 4 ms 2680 KB Output is correct
103 Correct 4 ms 2680 KB Output is correct
104 Correct 12 ms 3832 KB Output is correct
105 Correct 22 ms 5792 KB Output is correct
106 Correct 4 ms 2808 KB Output is correct
107 Correct 38 ms 8440 KB Output is correct
108 Correct 54 ms 12252 KB Output is correct
109 Correct 5 ms 2808 KB Output is correct
110 Correct 76 ms 12900 KB Output is correct
111 Correct 81 ms 14712 KB Output is correct
112 Correct 5 ms 2808 KB Output is correct
113 Correct 132 ms 25336 KB Output is correct
114 Correct 33 ms 6520 KB Output is correct
115 Incorrect 35 ms 6524 KB Output isn't correct
116 Halted 0 ms 0 KB -