답안 #134812

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
134812	2019-07-23T09:39:23 Z	mirbek01	꿈 (IOI13_dreaming)	C++11	47 / 100	149 ms	24060 KB

dreaming

#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);
		} else {
			up[to] = max(up[to], vec[0].first + 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
**/

Compilation message

dreaming.cpp: In function 'void dfs1(int, int)':
dreaming.cpp:40:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(to == pr)
   ^~
dreaming.cpp:42:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    up[to] = max(up[to], up[v] + len);
    ^~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	15736 KB	Output is correct
2	Correct	78 ms	15224 KB	Output is correct
3	Correct	69 ms	14232 KB	Output is correct
4	Correct	17 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	22 ms	5752 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8412 KB	Output is correct
9	Correct	51 ms	12012 KB	Output is correct
10	Correct	5 ms	2808 KB	Output is correct
11	Correct	74 ms	12252 KB	Output is correct
12	Correct	85 ms	14072 KB	Output is correct
13	Correct	4 ms	2808 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	15736 KB	Output is correct
2	Correct	78 ms	15224 KB	Output is correct
3	Correct	69 ms	14232 KB	Output is correct
4	Correct	17 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	22 ms	5752 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8412 KB	Output is correct
9	Correct	51 ms	12012 KB	Output is correct
10	Correct	5 ms	2808 KB	Output is correct
11	Correct	74 ms	12252 KB	Output is correct
12	Correct	85 ms	14072 KB	Output is correct
13	Correct	4 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2756 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2684 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	4 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	2680 KB	Output is correct
26	Correct	4 ms	2684 KB	Output is correct
27	Correct	4 ms	2680 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 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	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2684 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	5 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	4 ms	2724 KB	Output is correct
38	Correct	2 ms	2680 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	15736 KB	Output is correct
2	Correct	78 ms	15224 KB	Output is correct
3	Correct	69 ms	14232 KB	Output is correct
4	Correct	17 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	22 ms	5752 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8412 KB	Output is correct
9	Correct	51 ms	12012 KB	Output is correct
10	Correct	5 ms	2808 KB	Output is correct
11	Correct	74 ms	12252 KB	Output is correct
12	Correct	85 ms	14072 KB	Output is correct
13	Correct	4 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2756 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2684 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	4 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	2680 KB	Output is correct
26	Correct	4 ms	2684 KB	Output is correct
27	Correct	4 ms	2680 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 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	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2684 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	5 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	4 ms	2724 KB	Output is correct
38	Correct	2 ms	2680 KB	Output is correct
39	Correct	85 ms	16252 KB	Output is correct
40	Correct	82 ms	15480 KB	Output is correct
41	Correct	59 ms	14456 KB	Output is correct
42	Correct	14 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	2680 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	2684 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	95 ms	9592 KB	Output is correct
58	Correct	100 ms	9464 KB	Output is correct
59	Correct	121 ms	9564 KB	Output is correct
60	Correct	99 ms	9548 KB	Output is correct
61	Correct	98 ms	9336 KB	Output is correct
62	Correct	127 ms	9336 KB	Output is correct
63	Correct	90 ms	9188 KB	Output is correct
64	Correct	103 ms	9220 KB	Output is correct
65	Correct	94 ms	9336 KB	Output is correct
66	Correct	94 ms	9248 KB	Output is correct
67	Correct	104 ms	9720 KB	Output is correct
68	Correct	94 ms	9464 KB	Output is correct
69	Correct	111 ms	9612 KB	Output is correct
70	Correct	149 ms	9464 KB	Output is correct
71	Correct	5 ms	2680 KB	Output is correct
72	Correct	7 ms	2936 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	7 ms	2936 KB	Output is correct
76	Correct	7 ms	2936 KB	Output is correct
77	Correct	7 ms	2936 KB	Output is correct
78	Correct	6 ms	2936 KB	Output is correct
79	Correct	7 ms	2936 KB	Output is correct
80	Correct	134 ms	9572 KB	Output is correct
81	Correct	92 ms	9636 KB	Output is correct
82	Correct	92 ms	9400 KB	Output is correct
83	Correct	97 ms	9464 KB	Output is correct
84	Correct	5 ms	2936 KB	Output is correct
85	Correct	5 ms	2844 KB	Output is correct
86	Correct	6 ms	2936 KB	Output is correct
87	Correct	7 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	7 ms	2936 KB	Output is correct
93	Correct	7 ms	2936 KB	Output is correct
94	Correct	4 ms	2808 KB	Output is correct
95	Correct	4 ms	2680 KB	Output is correct
96	Correct	4 ms	2680 KB	Output is correct
97	Correct	4 ms	2732 KB	Output is correct
98	Correct	4 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	5 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	24 ms	5880 KB	Output is correct
106	Correct	4 ms	2680 KB	Output is correct
107	Correct	38 ms	8472 KB	Output is correct
108	Correct	51 ms	12024 KB	Output is correct
109	Correct	4 ms	2808 KB	Output is correct
110	Correct	78 ms	12280 KB	Output is correct
111	Correct	92 ms	14072 KB	Output is correct
112	Correct	5 ms	2896 KB	Output is correct
113	Correct	121 ms	24060 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	35 ms	6648 KB	Output is correct
2	Incorrect	35 ms	6904 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	15736 KB	Output is correct
2	Correct	78 ms	15224 KB	Output is correct
3	Correct	69 ms	14232 KB	Output is correct
4	Correct	17 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	22 ms	5752 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8412 KB	Output is correct
9	Correct	51 ms	12012 KB	Output is correct
10	Correct	5 ms	2808 KB	Output is correct
11	Correct	74 ms	12252 KB	Output is correct
12	Correct	85 ms	14072 KB	Output is correct
13	Correct	4 ms	2808 KB	Output is correct
14	Correct	4 ms	2808 KB	Output is correct
15	Correct	5 ms	2808 KB	Output is correct
16	Correct	7 ms	2936 KB	Output is correct
17	Correct	5 ms	2680 KB	Output is correct
18	Correct	6 ms	2808 KB	Output is correct
19	Correct	6 ms	2940 KB	Output is correct
20	Incorrect	5 ms	2724 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	78 ms	15736 KB	Output is correct
2	Correct	78 ms	15224 KB	Output is correct
3	Correct	69 ms	14232 KB	Output is correct
4	Correct	17 ms	4728 KB	Output is correct
5	Correct	12 ms	3832 KB	Output is correct
6	Correct	22 ms	5752 KB	Output is correct
7	Correct	4 ms	2808 KB	Output is correct
8	Correct	39 ms	8412 KB	Output is correct
9	Correct	51 ms	12012 KB	Output is correct
10	Correct	5 ms	2808 KB	Output is correct
11	Correct	74 ms	12252 KB	Output is correct
12	Correct	85 ms	14072 KB	Output is correct
13	Correct	4 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	4 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2756 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2684 KB	Output is correct
20	Correct	4 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	4 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	2680 KB	Output is correct
26	Correct	4 ms	2684 KB	Output is correct
27	Correct	4 ms	2680 KB	Output is correct
28	Correct	4 ms	2680 KB	Output is correct
29	Correct	4 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	4 ms	2680 KB	Output is correct
33	Correct	4 ms	2684 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	5 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	4 ms	2724 KB	Output is correct
38	Correct	2 ms	2680 KB	Output is correct
39	Correct	85 ms	16252 KB	Output is correct
40	Correct	82 ms	15480 KB	Output is correct
41	Correct	59 ms	14456 KB	Output is correct
42	Correct	14 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	2680 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	2684 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	95 ms	9592 KB	Output is correct
58	Correct	100 ms	9464 KB	Output is correct
59	Correct	121 ms	9564 KB	Output is correct
60	Correct	99 ms	9548 KB	Output is correct
61	Correct	98 ms	9336 KB	Output is correct
62	Correct	127 ms	9336 KB	Output is correct
63	Correct	90 ms	9188 KB	Output is correct
64	Correct	103 ms	9220 KB	Output is correct
65	Correct	94 ms	9336 KB	Output is correct
66	Correct	94 ms	9248 KB	Output is correct
67	Correct	104 ms	9720 KB	Output is correct
68	Correct	94 ms	9464 KB	Output is correct
69	Correct	111 ms	9612 KB	Output is correct
70	Correct	149 ms	9464 KB	Output is correct
71	Correct	5 ms	2680 KB	Output is correct
72	Correct	7 ms	2936 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	7 ms	2936 KB	Output is correct
76	Correct	7 ms	2936 KB	Output is correct
77	Correct	7 ms	2936 KB	Output is correct
78	Correct	6 ms	2936 KB	Output is correct
79	Correct	7 ms	2936 KB	Output is correct
80	Correct	134 ms	9572 KB	Output is correct
81	Correct	92 ms	9636 KB	Output is correct
82	Correct	92 ms	9400 KB	Output is correct
83	Correct	97 ms	9464 KB	Output is correct
84	Correct	5 ms	2936 KB	Output is correct
85	Correct	5 ms	2844 KB	Output is correct
86	Correct	6 ms	2936 KB	Output is correct
87	Correct	7 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	7 ms	2936 KB	Output is correct
93	Correct	7 ms	2936 KB	Output is correct
94	Correct	4 ms	2808 KB	Output is correct
95	Correct	4 ms	2680 KB	Output is correct
96	Correct	4 ms	2680 KB	Output is correct
97	Correct	4 ms	2732 KB	Output is correct
98	Correct	4 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	5 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	24 ms	5880 KB	Output is correct
106	Correct	4 ms	2680 KB	Output is correct
107	Correct	38 ms	8472 KB	Output is correct
108	Correct	51 ms	12024 KB	Output is correct
109	Correct	4 ms	2808 KB	Output is correct
110	Correct	78 ms	12280 KB	Output is correct
111	Correct	92 ms	14072 KB	Output is correct
112	Correct	5 ms	2896 KB	Output is correct
113	Correct	121 ms	24060 KB	Output is correct
114	Correct	35 ms	6648 KB	Output is correct
115	Incorrect	35 ms	6904 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #134812

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0