답안 #153813

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
153813	2019-09-16T14:30:18 Z	popovicirobert	꿈 (IOI13_dreaming)	C++14	47 / 100	169 ms	14964 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>

using namespace std;

const int INF = 2e9;
const int MAXN = (int) 1e5;

static vector < pair <int, int> > g[MAXN + 1];
static int dstA[MAXN + 1], dstB[MAXN + 1];
static bool vis[MAXN + 1], on_way[MAXN + 1];
static vector <int> nodes;

void dfs(int nod, int par, int *dst) {
    if(vis[nod] == 0) {
        nodes.push_back(nod);
    }
    vis[nod] = 1;
    for(auto it : g[nod]) {
        if(it.first != par) {
            dst[it.first] = dst[nod] + it.second;
            dfs(it.first, nod, dst);
        }
    }
}

int travelTime(int n, int m, int l, int A[], int B[], int T[]) {
    int i;
    for(i = 0; i < m; i++) {
        A[i]++, B[i]++;
        g[A[i]].push_back({B[i], T[i]});
        g[B[i]].push_back({A[i], T[i]});
    }

    vector <int> dst;
    int ans = 0;
    for(i = 1; i <= n; i++) {
        if(vis[i]) continue;

        nodes.clear();
        dfs(i, 0, dstA);
        int a = 0;
        for(auto it : nodes) {
            if(dstA[it] >= dstA[a]) {
                a = it;
            }
        }
        dstA[a] = 0;
        dfs(a, 0, dstA);

        int b = 0;
        for(auto it : nodes) {
            if(dstA[it] >= dstA[b]) {
                b = it;
            }
        }
        dfs(b, 0, dstB);
        ans = max(ans, dstA[b]);

        int cur_dst = INF;
        for(auto it : nodes) {
            if(cur_dst >= max(dstA[it], dstB[it])) {
                cur_dst = max(dstA[it], dstB[it]);
            }
        }
        dst.push_back(cur_dst);
    }
    sort(dst.rbegin(), dst.rend());
    if(dst.size() > 1) {
        ans = max(ans, dst[0] + dst[1] + l);
    }
    return ans;
}

Compilation message

dreaming.cpp:11:28: warning: 'on_way' defined but not used [-Wunused-variable]
 static bool vis[MAXN + 1], on_way[MAXN + 1];
                            ^~~~~~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	77 ms	14964 KB	Output is correct
2	Correct	80 ms	14836 KB	Output is correct
3	Correct	49 ms	10868 KB	Output is correct
4	Correct	15 ms	4600 KB	Output is correct
5	Correct	14 ms	3704 KB	Output is correct
6	Correct	26 ms	5496 KB	Output is correct
7	Correct	5 ms	2680 KB	Output is correct
8	Correct	44 ms	7032 KB	Output is correct
9	Correct	62 ms	8824 KB	Output is correct
10	Correct	5 ms	2804 KB	Output is correct
11	Correct	110 ms	10872 KB	Output is correct
12	Correct	98 ms	12652 KB	Output is correct
13	Correct	6 ms	2808 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	77 ms	14964 KB	Output is correct
2	Correct	80 ms	14836 KB	Output is correct
3	Correct	49 ms	10868 KB	Output is correct
4	Correct	15 ms	4600 KB	Output is correct
5	Correct	14 ms	3704 KB	Output is correct
6	Correct	26 ms	5496 KB	Output is correct
7	Correct	5 ms	2680 KB	Output is correct
8	Correct	44 ms	7032 KB	Output is correct
9	Correct	62 ms	8824 KB	Output is correct
10	Correct	5 ms	2804 KB	Output is correct
11	Correct	110 ms	10872 KB	Output is correct
12	Correct	98 ms	12652 KB	Output is correct
13	Correct	6 ms	2808 KB	Output is correct
14	Correct	5 ms	2680 KB	Output is correct
15	Correct	5 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2680 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	7 ms	2680 KB	Output is correct
23	Correct	5 ms	2680 KB	Output is correct
24	Correct	5 ms	2680 KB	Output is correct
25	Correct	5 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 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	5 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	5 ms	2680 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	5 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	77 ms	14964 KB	Output is correct
2	Correct	80 ms	14836 KB	Output is correct
3	Correct	49 ms	10868 KB	Output is correct
4	Correct	15 ms	4600 KB	Output is correct
5	Correct	14 ms	3704 KB	Output is correct
6	Correct	26 ms	5496 KB	Output is correct
7	Correct	5 ms	2680 KB	Output is correct
8	Correct	44 ms	7032 KB	Output is correct
9	Correct	62 ms	8824 KB	Output is correct
10	Correct	5 ms	2804 KB	Output is correct
11	Correct	110 ms	10872 KB	Output is correct
12	Correct	98 ms	12652 KB	Output is correct
13	Correct	6 ms	2808 KB	Output is correct
14	Correct	5 ms	2680 KB	Output is correct
15	Correct	5 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2680 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	7 ms	2680 KB	Output is correct
23	Correct	5 ms	2680 KB	Output is correct
24	Correct	5 ms	2680 KB	Output is correct
25	Correct	5 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 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	5 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	5 ms	2680 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	5 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct
39	Correct	78 ms	14840 KB	Output is correct
40	Correct	74 ms	14836 KB	Output is correct
41	Correct	49 ms	11000 KB	Output is correct
42	Correct	14 ms	4600 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	5 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	5 ms	2680 KB	Output is correct
54	Correct	4 ms	2680 KB	Output is correct
55	Correct	5 ms	2680 KB	Output is correct
56	Correct	4 ms	2680 KB	Output is correct
57	Correct	105 ms	9196 KB	Output is correct
58	Correct	115 ms	9076 KB	Output is correct
59	Correct	169 ms	9072 KB	Output is correct
60	Correct	157 ms	8920 KB	Output is correct
61	Correct	107 ms	9048 KB	Output is correct
62	Correct	101 ms	8952 KB	Output is correct
63	Correct	100 ms	8880 KB	Output is correct
64	Correct	133 ms	8944 KB	Output is correct
65	Correct	110 ms	9000 KB	Output is correct
66	Correct	134 ms	8920 KB	Output is correct
67	Correct	161 ms	9156 KB	Output is correct
68	Correct	140 ms	9168 KB	Output is correct
69	Correct	106 ms	9076 KB	Output is correct
70	Correct	115 ms	9076 KB	Output is correct
71	Correct	4 ms	2680 KB	Output is correct
72	Correct	7 ms	2924 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	6 ms	2936 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	2940 KB	Output is correct
79	Correct	6 ms	3064 KB	Output is correct
80	Correct	101 ms	9332 KB	Output is correct
81	Correct	97 ms	9068 KB	Output is correct
82	Correct	104 ms	8948 KB	Output is correct
83	Correct	108 ms	9104 KB	Output is correct
84	Correct	5 ms	2808 KB	Output is correct
85	Correct	5 ms	2808 KB	Output is correct
86	Correct	6 ms	2808 KB	Output is correct
87	Correct	6 ms	2864 KB	Output is correct
88	Correct	5 ms	2936 KB	Output is correct
89	Correct	6 ms	2808 KB	Output is correct
90	Correct	6 ms	2808 KB	Output is correct
91	Correct	6 ms	2808 KB	Output is correct
92	Correct	6 ms	2808 KB	Output is correct
93	Correct	6 ms	2808 KB	Output is correct
94	Correct	5 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	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	4 ms	2680 KB	Output is correct
103	Correct	4 ms	2680 KB	Output is correct
104	Correct	12 ms	3576 KB	Output is correct
105	Correct	21 ms	5112 KB	Output is correct
106	Correct	4 ms	2680 KB	Output is correct
107	Correct	38 ms	6520 KB	Output is correct
108	Correct	47 ms	8056 KB	Output is correct
109	Correct	5 ms	2680 KB	Output is correct
110	Correct	75 ms	9720 KB	Output is correct
111	Correct	92 ms	11504 KB	Output is correct
112	Correct	5 ms	2808 KB	Output is correct
113	Correct	132 ms	14580 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	35 ms	6264 KB	Output is correct
2	Incorrect	35 ms	6184 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	77 ms	14964 KB	Output is correct
2	Correct	80 ms	14836 KB	Output is correct
3	Correct	49 ms	10868 KB	Output is correct
4	Correct	15 ms	4600 KB	Output is correct
5	Correct	14 ms	3704 KB	Output is correct
6	Correct	26 ms	5496 KB	Output is correct
7	Correct	5 ms	2680 KB	Output is correct
8	Correct	44 ms	7032 KB	Output is correct
9	Correct	62 ms	8824 KB	Output is correct
10	Correct	5 ms	2804 KB	Output is correct
11	Correct	110 ms	10872 KB	Output is correct
12	Correct	98 ms	12652 KB	Output is correct
13	Correct	6 ms	2808 KB	Output is correct
14	Correct	4 ms	2680 KB	Output is correct
15	Correct	5 ms	2808 KB	Output is correct
16	Correct	5 ms	2808 KB	Output is correct
17	Correct	5 ms	2808 KB	Output is correct
18	Correct	5 ms	2808 KB	Output is correct
19	Correct	6 ms	2808 KB	Output is correct
20	Incorrect	5 ms	2680 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	77 ms	14964 KB	Output is correct
2	Correct	80 ms	14836 KB	Output is correct
3	Correct	49 ms	10868 KB	Output is correct
4	Correct	15 ms	4600 KB	Output is correct
5	Correct	14 ms	3704 KB	Output is correct
6	Correct	26 ms	5496 KB	Output is correct
7	Correct	5 ms	2680 KB	Output is correct
8	Correct	44 ms	7032 KB	Output is correct
9	Correct	62 ms	8824 KB	Output is correct
10	Correct	5 ms	2804 KB	Output is correct
11	Correct	110 ms	10872 KB	Output is correct
12	Correct	98 ms	12652 KB	Output is correct
13	Correct	6 ms	2808 KB	Output is correct
14	Correct	5 ms	2680 KB	Output is correct
15	Correct	5 ms	2680 KB	Output is correct
16	Correct	5 ms	2680 KB	Output is correct
17	Correct	5 ms	2680 KB	Output is correct
18	Correct	5 ms	2680 KB	Output is correct
19	Correct	4 ms	2680 KB	Output is correct
20	Correct	5 ms	2680 KB	Output is correct
21	Correct	5 ms	2680 KB	Output is correct
22	Correct	7 ms	2680 KB	Output is correct
23	Correct	5 ms	2680 KB	Output is correct
24	Correct	5 ms	2680 KB	Output is correct
25	Correct	5 ms	2680 KB	Output is correct
26	Correct	4 ms	2680 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	5 ms	2680 KB	Output is correct
32	Correct	4 ms	2680 KB	Output is correct
33	Correct	5 ms	2680 KB	Output is correct
34	Correct	5 ms	2680 KB	Output is correct
35	Correct	4 ms	2680 KB	Output is correct
36	Correct	5 ms	2680 KB	Output is correct
37	Correct	5 ms	2684 KB	Output is correct
38	Correct	4 ms	2680 KB	Output is correct
39	Correct	78 ms	14840 KB	Output is correct
40	Correct	74 ms	14836 KB	Output is correct
41	Correct	49 ms	11000 KB	Output is correct
42	Correct	14 ms	4600 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	5 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	5 ms	2680 KB	Output is correct
54	Correct	4 ms	2680 KB	Output is correct
55	Correct	5 ms	2680 KB	Output is correct
56	Correct	4 ms	2680 KB	Output is correct
57	Correct	105 ms	9196 KB	Output is correct
58	Correct	115 ms	9076 KB	Output is correct
59	Correct	169 ms	9072 KB	Output is correct
60	Correct	157 ms	8920 KB	Output is correct
61	Correct	107 ms	9048 KB	Output is correct
62	Correct	101 ms	8952 KB	Output is correct
63	Correct	100 ms	8880 KB	Output is correct
64	Correct	133 ms	8944 KB	Output is correct
65	Correct	110 ms	9000 KB	Output is correct
66	Correct	134 ms	8920 KB	Output is correct
67	Correct	161 ms	9156 KB	Output is correct
68	Correct	140 ms	9168 KB	Output is correct
69	Correct	106 ms	9076 KB	Output is correct
70	Correct	115 ms	9076 KB	Output is correct
71	Correct	4 ms	2680 KB	Output is correct
72	Correct	7 ms	2924 KB	Output is correct
73	Correct	6 ms	2936 KB	Output is correct
74	Correct	6 ms	2936 KB	Output is correct
75	Correct	6 ms	2936 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	2940 KB	Output is correct
79	Correct	6 ms	3064 KB	Output is correct
80	Correct	101 ms	9332 KB	Output is correct
81	Correct	97 ms	9068 KB	Output is correct
82	Correct	104 ms	8948 KB	Output is correct
83	Correct	108 ms	9104 KB	Output is correct
84	Correct	5 ms	2808 KB	Output is correct
85	Correct	5 ms	2808 KB	Output is correct
86	Correct	6 ms	2808 KB	Output is correct
87	Correct	6 ms	2864 KB	Output is correct
88	Correct	5 ms	2936 KB	Output is correct
89	Correct	6 ms	2808 KB	Output is correct
90	Correct	6 ms	2808 KB	Output is correct
91	Correct	6 ms	2808 KB	Output is correct
92	Correct	6 ms	2808 KB	Output is correct
93	Correct	6 ms	2808 KB	Output is correct
94	Correct	5 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	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	4 ms	2680 KB	Output is correct
103	Correct	4 ms	2680 KB	Output is correct
104	Correct	12 ms	3576 KB	Output is correct
105	Correct	21 ms	5112 KB	Output is correct
106	Correct	4 ms	2680 KB	Output is correct
107	Correct	38 ms	6520 KB	Output is correct
108	Correct	47 ms	8056 KB	Output is correct
109	Correct	5 ms	2680 KB	Output is correct
110	Correct	75 ms	9720 KB	Output is correct
111	Correct	92 ms	11504 KB	Output is correct
112	Correct	5 ms	2808 KB	Output is correct
113	Correct	132 ms	14580 KB	Output is correct
114	Correct	35 ms	6264 KB	Output is correct
115	Incorrect	35 ms	6184 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #153813

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