답안 #557213

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
557213	2022-05-04T21:17:28 Z	Olympia	꿈 (IOI13_dreaming)	C++17	47 / 100	368 ms	23748 KB

dreaming

#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> a, b, w;
vector<vector<int> > adj;
map<pair<int,int>,int> myMap;
vector<bool> hasVisited;
vector<int> parent;
pair<int,int> find_farthest_node (int x, bool undo) {
    queue<pair<int,int> > q;
    q.push(make_pair(x, 0));
    hasVisited[x] = true;
    parent[x] = -1;
    vector<int> nodes;
    vector<pair<int,int> > vec;
    while (!q.empty()) {
        pair<int,int> p = q.front();
        nodes.push_back(p.first);
        vec.push_back(make_pair(p.second, p.first));
        q.pop();
        for (int j: adj[p.first]) {
            if (!hasVisited[j]) {
                q.push(make_pair(j, p.second + myMap[make_pair(j, p.first)]));
                parent[j] = p.first;
                hasVisited[j] = true;
            }
        }
    }
 
    if (undo) {
        for (int j: nodes) {
            hasVisited[j] = false;
        }
    }
    sort(vec.begin(), vec.end());
    return vec.back(); //first distance, then node
}
int travelTime (int N, int M, int L, int A[], int B[], int W[]) {
    a.resize(M), b.resize(M), w.resize(M), adj.resize(N), parent.resize(N);
    for (int i = 0; i < M; i++) {
        a[i] = A[i], b[i] = B[i], w[i] = W[i];
        myMap[make_pair(a[i], b[i])] = w[i];
        myMap[make_pair(b[i], a[i])] = w[i];
        adj[a[i]].push_back(b[i]), adj[b[i]].push_back(a[i]);
    }
    hasVisited.assign(N, false);
    vector<int> paths;
    int ans = 0;
    for (int i = 0; i < N; i++) {
        if (!hasVisited[i]) {
            int x = find_farthest_node(i, true).second;
            pair<int,int> py = find_farthest_node(x, false);
            vector<int> nodes;
            int val = py.second;
            while (val != -1) {
                nodes.push_back(val);
                val = parent[val];
            }
            ans = max(ans, py.first);
            int c = 0;
            int myMin = INT_MAX;
            for (int j = 1; j < (int)nodes.size(); j++) {
                c += myMap[make_pair(nodes[j], nodes[j - 1])];
                myMin = min(myMin,max(c, py.first - c));
            }
            if (nodes.size() == 1) {
                myMin = 0;
            }
            paths.push_back(myMin);
        }
    }
    sort(paths.begin(), paths.end());
    if (paths.size() >= 2) {
        ans = max(paths.back() + paths[paths.size() - 2] + L, ans);
    } 
    if (paths.size() >= 3) {
        ans = max(paths.back() + paths[paths.size() - 2] + 2 * L, ans);
    }
    return ans;
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	271 ms	21248 KB	Output is correct
2	Correct	259 ms	21184 KB	Output is correct
3	Correct	138 ms	13916 KB	Output is correct
4	Correct	21 ms	3376 KB	Output is correct
5	Correct	19 ms	2524 KB	Output is correct
6	Correct	39 ms	4952 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	100 ms	9076 KB	Output is correct
9	Correct	144 ms	11772 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	242 ms	15912 KB	Output is correct
12	Correct	269 ms	18820 KB	Output is correct
13	Correct	2 ms	468 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 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	1 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	340 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	340 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	271 ms	21248 KB	Output is correct
2	Correct	259 ms	21184 KB	Output is correct
3	Correct	138 ms	13916 KB	Output is correct
4	Correct	21 ms	3376 KB	Output is correct
5	Correct	19 ms	2524 KB	Output is correct
6	Correct	39 ms	4952 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	100 ms	9076 KB	Output is correct
9	Correct	144 ms	11772 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	242 ms	15912 KB	Output is correct
12	Correct	269 ms	18820 KB	Output is correct
13	Correct	2 ms	468 KB	Output is correct
14	Correct	0 ms	340 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	1 ms	340 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	259 ms	21332 KB	Output is correct
40	Correct	267 ms	21260 KB	Output is correct
41	Correct	140 ms	13984 KB	Output is correct
42	Correct	20 ms	3412 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	0 ms	340 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	0 ms	340 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	0 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	332 ms	23468 KB	Output is correct
58	Correct	336 ms	22268 KB	Output is correct
59	Correct	334 ms	23196 KB	Output is correct
60	Correct	337 ms	22356 KB	Output is correct
61	Correct	328 ms	23184 KB	Output is correct
62	Correct	331 ms	22564 KB	Output is correct
63	Correct	347 ms	23560 KB	Output is correct
64	Correct	347 ms	23736 KB	Output is correct
65	Correct	338 ms	23396 KB	Output is correct
66	Correct	352 ms	23748 KB	Output is correct
67	Correct	326 ms	23148 KB	Output is correct
68	Correct	336 ms	23088 KB	Output is correct
69	Correct	318 ms	22380 KB	Output is correct
70	Correct	333 ms	22340 KB	Output is correct
71	Correct	0 ms	212 KB	Output is correct
72	Correct	4 ms	852 KB	Output is correct
73	Correct	4 ms	980 KB	Output is correct
74	Correct	5 ms	980 KB	Output is correct
75	Correct	5 ms	968 KB	Output is correct
76	Correct	4 ms	892 KB	Output is correct
77	Correct	5 ms	980 KB	Output is correct
78	Correct	4 ms	980 KB	Output is correct
79	Correct	4 ms	980 KB	Output is correct
80	Correct	341 ms	22940 KB	Output is correct
81	Correct	341 ms	22884 KB	Output is correct
82	Correct	333 ms	23392 KB	Output is correct
83	Correct	334 ms	23624 KB	Output is correct
84	Correct	3 ms	864 KB	Output is correct
85	Correct	3 ms	724 KB	Output is correct
86	Correct	4 ms	852 KB	Output is correct
87	Correct	4 ms	880 KB	Output is correct
88	Correct	4 ms	852 KB	Output is correct
89	Correct	4 ms	852 KB	Output is correct
90	Correct	4 ms	852 KB	Output is correct
91	Correct	4 ms	980 KB	Output is correct
92	Correct	4 ms	852 KB	Output is correct
93	Correct	4 ms	852 KB	Output is correct
94	Correct	1 ms	340 KB	Output is correct
95	Correct	0 ms	340 KB	Output is correct
96	Correct	0 ms	212 KB	Output is correct
97	Correct	0 ms	212 KB	Output is correct
98	Correct	1 ms	212 KB	Output is correct
99	Correct	1 ms	212 KB	Output is correct
100	Correct	1 ms	212 KB	Output is correct
101	Correct	1 ms	212 KB	Output is correct
102	Correct	1 ms	212 KB	Output is correct
103	Correct	1 ms	212 KB	Output is correct
104	Correct	17 ms	2528 KB	Output is correct
105	Correct	38 ms	4952 KB	Output is correct
106	Correct	1 ms	340 KB	Output is correct
107	Correct	91 ms	9092 KB	Output is correct
108	Correct	133 ms	11672 KB	Output is correct
109	Correct	1 ms	352 KB	Output is correct
110	Correct	230 ms	15948 KB	Output is correct
111	Correct	265 ms	18820 KB	Output is correct
112	Correct	1 ms	468 KB	Output is correct
113	Correct	368 ms	23276 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	87 ms	9844 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 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	1 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	1 ms	340 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	340 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	0 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	0 ms	212 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	468 KB	Output is correct
27	Correct	2 ms	596 KB	Output is correct
28	Correct	4 ms	852 KB	Output is correct
29	Incorrect	1 ms	468 KB	Output isn't correct
30	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	271 ms	21248 KB	Output is correct
2	Correct	259 ms	21184 KB	Output is correct
3	Correct	138 ms	13916 KB	Output is correct
4	Correct	21 ms	3376 KB	Output is correct
5	Correct	19 ms	2524 KB	Output is correct
6	Correct	39 ms	4952 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	100 ms	9076 KB	Output is correct
9	Correct	144 ms	11772 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	242 ms	15912 KB	Output is correct
12	Correct	269 ms	18820 KB	Output is correct
13	Correct	2 ms	468 KB	Output is correct
14	Correct	0 ms	340 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	1 ms	340 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	0 ms	212 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	0 ms	340 KB	Output is correct
28	Correct	0 ms	212 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	0 ms	212 KB	Output is correct
31	Correct	0 ms	212 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	0 ms	212 KB	Output is correct
35	Correct	0 ms	212 KB	Output is correct
36	Correct	0 ms	212 KB	Output is correct
37	Correct	1 ms	340 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	259 ms	21332 KB	Output is correct
40	Correct	267 ms	21260 KB	Output is correct
41	Correct	140 ms	13984 KB	Output is correct
42	Correct	20 ms	3412 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	1 ms	340 KB	Output is correct
46	Correct	0 ms	340 KB	Output is correct
47	Correct	0 ms	340 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	0 ms	212 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	0 ms	340 KB	Output is correct
52	Correct	0 ms	340 KB	Output is correct
53	Correct	0 ms	212 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	0 ms	340 KB	Output is correct
56	Correct	1 ms	340 KB	Output is correct
57	Correct	332 ms	23468 KB	Output is correct
58	Correct	336 ms	22268 KB	Output is correct
59	Correct	334 ms	23196 KB	Output is correct
60	Correct	337 ms	22356 KB	Output is correct
61	Correct	328 ms	23184 KB	Output is correct
62	Correct	331 ms	22564 KB	Output is correct
63	Correct	347 ms	23560 KB	Output is correct
64	Correct	347 ms	23736 KB	Output is correct
65	Correct	338 ms	23396 KB	Output is correct
66	Correct	352 ms	23748 KB	Output is correct
67	Correct	326 ms	23148 KB	Output is correct
68	Correct	336 ms	23088 KB	Output is correct
69	Correct	318 ms	22380 KB	Output is correct
70	Correct	333 ms	22340 KB	Output is correct
71	Correct	0 ms	212 KB	Output is correct
72	Correct	4 ms	852 KB	Output is correct
73	Correct	4 ms	980 KB	Output is correct
74	Correct	5 ms	980 KB	Output is correct
75	Correct	5 ms	968 KB	Output is correct
76	Correct	4 ms	892 KB	Output is correct
77	Correct	5 ms	980 KB	Output is correct
78	Correct	4 ms	980 KB	Output is correct
79	Correct	4 ms	980 KB	Output is correct
80	Correct	341 ms	22940 KB	Output is correct
81	Correct	341 ms	22884 KB	Output is correct
82	Correct	333 ms	23392 KB	Output is correct
83	Correct	334 ms	23624 KB	Output is correct
84	Correct	3 ms	864 KB	Output is correct
85	Correct	3 ms	724 KB	Output is correct
86	Correct	4 ms	852 KB	Output is correct
87	Correct	4 ms	880 KB	Output is correct
88	Correct	4 ms	852 KB	Output is correct
89	Correct	4 ms	852 KB	Output is correct
90	Correct	4 ms	852 KB	Output is correct
91	Correct	4 ms	980 KB	Output is correct
92	Correct	4 ms	852 KB	Output is correct
93	Correct	4 ms	852 KB	Output is correct
94	Correct	1 ms	340 KB	Output is correct
95	Correct	0 ms	340 KB	Output is correct
96	Correct	0 ms	212 KB	Output is correct
97	Correct	0 ms	212 KB	Output is correct
98	Correct	1 ms	212 KB	Output is correct
99	Correct	1 ms	212 KB	Output is correct
100	Correct	1 ms	212 KB	Output is correct
101	Correct	1 ms	212 KB	Output is correct
102	Correct	1 ms	212 KB	Output is correct
103	Correct	1 ms	212 KB	Output is correct
104	Correct	17 ms	2528 KB	Output is correct
105	Correct	38 ms	4952 KB	Output is correct
106	Correct	1 ms	340 KB	Output is correct
107	Correct	91 ms	9092 KB	Output is correct
108	Correct	133 ms	11672 KB	Output is correct
109	Correct	1 ms	352 KB	Output is correct
110	Correct	230 ms	15948 KB	Output is correct
111	Correct	265 ms	18820 KB	Output is correct
112	Correct	1 ms	468 KB	Output is correct
113	Correct	368 ms	23276 KB	Output is correct
114	Incorrect	87 ms	9844 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #557213

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