답안 #1038484

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1038484	2024-07-29T21:00:19 Z	ArthuroWich	꿈 (IOI13_dreaming)	C++17	47 / 100	71 ms	19232 KB

dreaming

#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
vector<pair<long long int, long long int>> adj[100005];
long long int proc[100005], no, nod, dist[100005][2];
void dfs(long long int i, long long int p, long long int d) {
    if (d > nod) {
        no = i, nod = d;
    }
    proc[i] = 1;
    for (auto [j, w] : adj[i]) {
        if (j == p) {
            continue;
        }
        dfs(j, i, d+w);
    }
}
void dfsdist(long long int i, long long int p, long long int id) {
    for (auto [j, w] : adj[i]) {
        if (j == p) {
            continue;
        }
        dist[j][id] = dist[i][id]+w;
        dfsdist(j, i, id);
    }
}
void ch(long long int i, long long int p) {
    if (max(dist[i][0], dist[i][1]) < nod) {
        no = i, nod = max(dist[i][0], dist[i][1]);
    }
    for (auto [j, _] : adj[i]) {
        if (j == p) {
            continue;
        }
        ch(j, i);
    }
}
pair<long long int, long long int> calc(long long int i) {
    long long int a, b;
    no = i, nod = 0;
    dfs(i, -1, 0);
    a = no, no = i, nod = 0;
    dfs(a, -1, 0);
    b = no;
    dfsdist(a, -1, 0);
    dfsdist(b, -1, 1);
    no = i, nod = INT64_MAX;
    ch(i, -1);
    return {nod, no};
}
int travelTime(int n, int m, int l, int A[], int B[], int T[]) {
    vector<pair<long long int, long long int>> comp;
    for (long long int i = 0; i < m; i++) {
        adj[A[i]].push_back({B[i], T[i]});
        adj[B[i]].push_back({A[i], T[i]});
    }
    for (long long int i = 0; i < n; i++) {
        if (proc[i]) {
            continue;
        }
        comp.push_back(calc(i));
    }
    sort(comp.rbegin(), comp.rend());
    deque<pair<long long int, long long int>> a;
    bool f = 0;
    for (long long int i = 0; i < comp.size(); i += 2) {
        a.push_front(comp[i]);
        if (i+1 < comp.size()) {
            a.push_back(comp[i+1]);
        }
    }
    for (long long int i = 1; i < a.size(); i++) {
        adj[a[i-1].second].push_back({a[i].second, l});
        adj[a[i].second].push_back({a[i-1].second, l});
    }
    long long int a1, b1;
    no = 0, nod = 0;
    for (long long int i = 0; i < n; i++) {
        dist[i][0] = 0;
    }
    dfs(0, -1, 0);
    a1 = no, no = 0, nod = 0;
    dfs(a1, -1, 0);
    b1 = no;
    dfsdist(a1, -1, 0);
    return dist[b1][0];
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:66:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for (long long int i = 0; i < comp.size(); i += 2) {
      |                               ~~^~~~~~~~~~~~~
dreaming.cpp:68:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |         if (i+1 < comp.size()) {
      |             ~~~~^~~~~~~~~~~~~
dreaming.cpp:72:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::deque<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   72 |     for (long long int i = 1; i < a.size(); i++) {
      |                               ~~^~~~~~~~~~
dreaming.cpp:65:10: warning: unused variable 'f' [-Wunused-variable]
   65 |     bool f = 0;
      |          ^

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	17500 KB	Output is correct
2	Correct	51 ms	17488 KB	Output is correct
3	Correct	27 ms	13660 KB	Output is correct
4	Correct	7 ms	7772 KB	Output is correct
5	Correct	6 ms	7004 KB	Output is correct
6	Correct	13 ms	8740 KB	Output is correct
7	Correct	1 ms	5980 KB	Output is correct
8	Correct	25 ms	10240 KB	Output is correct
9	Correct	31 ms	11868 KB	Output is correct
10	Correct	2 ms	5980 KB	Output is correct
11	Correct	44 ms	13444 KB	Output is correct
12	Correct	51 ms	15704 KB	Output is correct
13	Correct	2 ms	6232 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	5980 KB	Output is correct
2	Correct	1 ms	5980 KB	Output is correct
3	Correct	1 ms	6040 KB	Output is correct
4	Correct	1 ms	5980 KB	Output is correct
5	Correct	1 ms	5976 KB	Output is correct
6	Correct	1 ms	5980 KB	Output is correct
7	Correct	1 ms	5980 KB	Output is correct
8	Correct	1 ms	5980 KB	Output is correct
9	Correct	1 ms	5980 KB	Output is correct
10	Correct	1 ms	5980 KB	Output is correct
11	Correct	1 ms	5980 KB	Output is correct
12	Correct	1 ms	5980 KB	Output is correct
13	Correct	1 ms	5980 KB	Output is correct
14	Correct	1 ms	5980 KB	Output is correct
15	Correct	1 ms	3932 KB	Output is correct
16	Correct	1 ms	6064 KB	Output is correct
17	Correct	1 ms	5980 KB	Output is correct
18	Correct	1 ms	5980 KB	Output is correct
19	Correct	2 ms	5980 KB	Output is correct
20	Correct	2 ms	5980 KB	Output is correct
21	Correct	1 ms	6232 KB	Output is correct
22	Correct	1 ms	5980 KB	Output is correct
23	Correct	1 ms	5980 KB	Output is correct
24	Correct	1 ms	5980 KB	Output is correct
25	Correct	1 ms	5980 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	17500 KB	Output is correct
2	Correct	51 ms	17488 KB	Output is correct
3	Correct	27 ms	13660 KB	Output is correct
4	Correct	7 ms	7772 KB	Output is correct
5	Correct	6 ms	7004 KB	Output is correct
6	Correct	13 ms	8740 KB	Output is correct
7	Correct	1 ms	5980 KB	Output is correct
8	Correct	25 ms	10240 KB	Output is correct
9	Correct	31 ms	11868 KB	Output is correct
10	Correct	2 ms	5980 KB	Output is correct
11	Correct	44 ms	13444 KB	Output is correct
12	Correct	51 ms	15704 KB	Output is correct
13	Correct	2 ms	6232 KB	Output is correct
14	Correct	1 ms	5980 KB	Output is correct
15	Correct	1 ms	5980 KB	Output is correct
16	Correct	1 ms	6040 KB	Output is correct
17	Correct	1 ms	5980 KB	Output is correct
18	Correct	1 ms	5976 KB	Output is correct
19	Correct	1 ms	5980 KB	Output is correct
20	Correct	1 ms	5980 KB	Output is correct
21	Correct	1 ms	5980 KB	Output is correct
22	Correct	1 ms	5980 KB	Output is correct
23	Correct	1 ms	5980 KB	Output is correct
24	Correct	1 ms	5980 KB	Output is correct
25	Correct	1 ms	5980 KB	Output is correct
26	Correct	1 ms	5980 KB	Output is correct
27	Correct	1 ms	5980 KB	Output is correct
28	Correct	1 ms	3932 KB	Output is correct
29	Correct	1 ms	6064 KB	Output is correct
30	Correct	1 ms	5980 KB	Output is correct
31	Correct	1 ms	5980 KB	Output is correct
32	Correct	2 ms	5980 KB	Output is correct
33	Correct	2 ms	5980 KB	Output is correct
34	Correct	1 ms	6232 KB	Output is correct
35	Correct	1 ms	5980 KB	Output is correct
36	Correct	1 ms	5980 KB	Output is correct
37	Correct	1 ms	5980 KB	Output is correct
38	Correct	1 ms	5980 KB	Output is correct
39	Correct	41 ms	17492 KB	Output is correct
40	Correct	40 ms	17528 KB	Output is correct
41	Correct	28 ms	13660 KB	Output is correct
42	Correct	6 ms	7772 KB	Output is correct
43	Correct	1 ms	5980 KB	Output is correct
44	Correct	1 ms	5980 KB	Output is correct
45	Correct	2 ms	5980 KB	Output is correct
46	Correct	1 ms	5980 KB	Output is correct
47	Correct	1 ms	5980 KB	Output is correct
48	Correct	1 ms	5980 KB	Output is correct
49	Correct	2 ms	5980 KB	Output is correct
50	Correct	1 ms	5980 KB	Output is correct
51	Correct	1 ms	5976 KB	Output is correct
52	Correct	1 ms	5992 KB	Output is correct
53	Correct	1 ms	5980 KB	Output is correct
54	Correct	1 ms	5980 KB	Output is correct
55	Correct	2 ms	5980 KB	Output is correct
56	Correct	1 ms	5980 KB	Output is correct
57	Correct	53 ms	11960 KB	Output is correct
58	Correct	55 ms	12112 KB	Output is correct
59	Correct	56 ms	11952 KB	Output is correct
60	Correct	54 ms	11856 KB	Output is correct
61	Correct	49 ms	11660 KB	Output is correct
62	Correct	49 ms	11676 KB	Output is correct
63	Correct	44 ms	11352 KB	Output is correct
64	Correct	50 ms	11440 KB	Output is correct
65	Correct	48 ms	11356 KB	Output is correct
66	Correct	46 ms	11356 KB	Output is correct
67	Correct	57 ms	11860 KB	Output is correct
68	Correct	54 ms	11868 KB	Output is correct
69	Correct	57 ms	11856 KB	Output is correct
70	Correct	60 ms	12112 KB	Output is correct
71	Correct	1 ms	3932 KB	Output is correct
72	Correct	2 ms	6236 KB	Output is correct
73	Correct	2 ms	6236 KB	Output is correct
74	Correct	2 ms	6236 KB	Output is correct
75	Correct	2 ms	6236 KB	Output is correct
76	Correct	4 ms	6140 KB	Output is correct
77	Correct	2 ms	6232 KB	Output is correct
78	Correct	2 ms	6236 KB	Output is correct
79	Correct	2 ms	6236 KB	Output is correct
80	Correct	58 ms	11680 KB	Output is correct
81	Correct	55 ms	11860 KB	Output is correct
82	Correct	63 ms	11604 KB	Output is correct
83	Correct	51 ms	11672 KB	Output is correct
84	Correct	2 ms	6236 KB	Output is correct
85	Correct	2 ms	6236 KB	Output is correct
86	Correct	2 ms	6236 KB	Output is correct
87	Correct	2 ms	6236 KB	Output is correct
88	Correct	2 ms	6236 KB	Output is correct
89	Correct	2 ms	6236 KB	Output is correct
90	Correct	2 ms	6236 KB	Output is correct
91	Correct	2 ms	6236 KB	Output is correct
92	Correct	2 ms	6236 KB	Output is correct
93	Correct	2 ms	6236 KB	Output is correct
94	Correct	1 ms	5976 KB	Output is correct
95	Correct	1 ms	5980 KB	Output is correct
96	Correct	1 ms	5980 KB	Output is correct
97	Correct	1 ms	5976 KB	Output is correct
98	Correct	1 ms	5976 KB	Output is correct
99	Correct	1 ms	5980 KB	Output is correct
100	Correct	1 ms	5980 KB	Output is correct
101	Correct	1 ms	5980 KB	Output is correct
102	Correct	1 ms	5980 KB	Output is correct
103	Correct	1 ms	5980 KB	Output is correct
104	Correct	6 ms	7000 KB	Output is correct
105	Correct	13 ms	8796 KB	Output is correct
106	Correct	1 ms	5976 KB	Output is correct
107	Correct	24 ms	10072 KB	Output is correct
108	Correct	36 ms	11868 KB	Output is correct
109	Correct	1 ms	5980 KB	Output is correct
110	Correct	44 ms	13600 KB	Output is correct
111	Correct	54 ms	15700 KB	Output is correct
112	Correct	2 ms	6232 KB	Output is correct
113	Correct	71 ms	19232 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	28 ms	18388 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	5980 KB	Output is correct
2	Correct	1 ms	5980 KB	Output is correct
3	Correct	1 ms	6040 KB	Output is correct
4	Correct	1 ms	5980 KB	Output is correct
5	Correct	1 ms	5976 KB	Output is correct
6	Correct	1 ms	5980 KB	Output is correct
7	Correct	1 ms	5980 KB	Output is correct
8	Correct	1 ms	5980 KB	Output is correct
9	Correct	1 ms	5980 KB	Output is correct
10	Correct	1 ms	5980 KB	Output is correct
11	Correct	1 ms	5980 KB	Output is correct
12	Correct	1 ms	5980 KB	Output is correct
13	Correct	1 ms	5980 KB	Output is correct
14	Correct	1 ms	5980 KB	Output is correct
15	Correct	1 ms	3932 KB	Output is correct
16	Correct	1 ms	6064 KB	Output is correct
17	Correct	1 ms	5980 KB	Output is correct
18	Correct	1 ms	5980 KB	Output is correct
19	Correct	2 ms	5980 KB	Output is correct
20	Correct	2 ms	5980 KB	Output is correct
21	Correct	1 ms	6232 KB	Output is correct
22	Correct	1 ms	5980 KB	Output is correct
23	Correct	1 ms	5980 KB	Output is correct
24	Correct	1 ms	5980 KB	Output is correct
25	Correct	1 ms	5980 KB	Output is correct
26	Correct	2 ms	5980 KB	Output is correct
27	Incorrect	2 ms	6236 KB	Output isn't correct
28	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	42 ms	17500 KB	Output is correct
2	Correct	51 ms	17488 KB	Output is correct
3	Correct	27 ms	13660 KB	Output is correct
4	Correct	7 ms	7772 KB	Output is correct
5	Correct	6 ms	7004 KB	Output is correct
6	Correct	13 ms	8740 KB	Output is correct
7	Correct	1 ms	5980 KB	Output is correct
8	Correct	25 ms	10240 KB	Output is correct
9	Correct	31 ms	11868 KB	Output is correct
10	Correct	2 ms	5980 KB	Output is correct
11	Correct	44 ms	13444 KB	Output is correct
12	Correct	51 ms	15704 KB	Output is correct
13	Correct	2 ms	6232 KB	Output is correct
14	Correct	1 ms	5980 KB	Output is correct
15	Correct	1 ms	5980 KB	Output is correct
16	Correct	1 ms	6040 KB	Output is correct
17	Correct	1 ms	5980 KB	Output is correct
18	Correct	1 ms	5976 KB	Output is correct
19	Correct	1 ms	5980 KB	Output is correct
20	Correct	1 ms	5980 KB	Output is correct
21	Correct	1 ms	5980 KB	Output is correct
22	Correct	1 ms	5980 KB	Output is correct
23	Correct	1 ms	5980 KB	Output is correct
24	Correct	1 ms	5980 KB	Output is correct
25	Correct	1 ms	5980 KB	Output is correct
26	Correct	1 ms	5980 KB	Output is correct
27	Correct	1 ms	5980 KB	Output is correct
28	Correct	1 ms	3932 KB	Output is correct
29	Correct	1 ms	6064 KB	Output is correct
30	Correct	1 ms	5980 KB	Output is correct
31	Correct	1 ms	5980 KB	Output is correct
32	Correct	2 ms	5980 KB	Output is correct
33	Correct	2 ms	5980 KB	Output is correct
34	Correct	1 ms	6232 KB	Output is correct
35	Correct	1 ms	5980 KB	Output is correct
36	Correct	1 ms	5980 KB	Output is correct
37	Correct	1 ms	5980 KB	Output is correct
38	Correct	1 ms	5980 KB	Output is correct
39	Correct	41 ms	17492 KB	Output is correct
40	Correct	40 ms	17528 KB	Output is correct
41	Correct	28 ms	13660 KB	Output is correct
42	Correct	6 ms	7772 KB	Output is correct
43	Correct	1 ms	5980 KB	Output is correct
44	Correct	1 ms	5980 KB	Output is correct
45	Correct	2 ms	5980 KB	Output is correct
46	Correct	1 ms	5980 KB	Output is correct
47	Correct	1 ms	5980 KB	Output is correct
48	Correct	1 ms	5980 KB	Output is correct
49	Correct	2 ms	5980 KB	Output is correct
50	Correct	1 ms	5980 KB	Output is correct
51	Correct	1 ms	5976 KB	Output is correct
52	Correct	1 ms	5992 KB	Output is correct
53	Correct	1 ms	5980 KB	Output is correct
54	Correct	1 ms	5980 KB	Output is correct
55	Correct	2 ms	5980 KB	Output is correct
56	Correct	1 ms	5980 KB	Output is correct
57	Correct	53 ms	11960 KB	Output is correct
58	Correct	55 ms	12112 KB	Output is correct
59	Correct	56 ms	11952 KB	Output is correct
60	Correct	54 ms	11856 KB	Output is correct
61	Correct	49 ms	11660 KB	Output is correct
62	Correct	49 ms	11676 KB	Output is correct
63	Correct	44 ms	11352 KB	Output is correct
64	Correct	50 ms	11440 KB	Output is correct
65	Correct	48 ms	11356 KB	Output is correct
66	Correct	46 ms	11356 KB	Output is correct
67	Correct	57 ms	11860 KB	Output is correct
68	Correct	54 ms	11868 KB	Output is correct
69	Correct	57 ms	11856 KB	Output is correct
70	Correct	60 ms	12112 KB	Output is correct
71	Correct	1 ms	3932 KB	Output is correct
72	Correct	2 ms	6236 KB	Output is correct
73	Correct	2 ms	6236 KB	Output is correct
74	Correct	2 ms	6236 KB	Output is correct
75	Correct	2 ms	6236 KB	Output is correct
76	Correct	4 ms	6140 KB	Output is correct
77	Correct	2 ms	6232 KB	Output is correct
78	Correct	2 ms	6236 KB	Output is correct
79	Correct	2 ms	6236 KB	Output is correct
80	Correct	58 ms	11680 KB	Output is correct
81	Correct	55 ms	11860 KB	Output is correct
82	Correct	63 ms	11604 KB	Output is correct
83	Correct	51 ms	11672 KB	Output is correct
84	Correct	2 ms	6236 KB	Output is correct
85	Correct	2 ms	6236 KB	Output is correct
86	Correct	2 ms	6236 KB	Output is correct
87	Correct	2 ms	6236 KB	Output is correct
88	Correct	2 ms	6236 KB	Output is correct
89	Correct	2 ms	6236 KB	Output is correct
90	Correct	2 ms	6236 KB	Output is correct
91	Correct	2 ms	6236 KB	Output is correct
92	Correct	2 ms	6236 KB	Output is correct
93	Correct	2 ms	6236 KB	Output is correct
94	Correct	1 ms	5976 KB	Output is correct
95	Correct	1 ms	5980 KB	Output is correct
96	Correct	1 ms	5980 KB	Output is correct
97	Correct	1 ms	5976 KB	Output is correct
98	Correct	1 ms	5976 KB	Output is correct
99	Correct	1 ms	5980 KB	Output is correct
100	Correct	1 ms	5980 KB	Output is correct
101	Correct	1 ms	5980 KB	Output is correct
102	Correct	1 ms	5980 KB	Output is correct
103	Correct	1 ms	5980 KB	Output is correct
104	Correct	6 ms	7000 KB	Output is correct
105	Correct	13 ms	8796 KB	Output is correct
106	Correct	1 ms	5976 KB	Output is correct
107	Correct	24 ms	10072 KB	Output is correct
108	Correct	36 ms	11868 KB	Output is correct
109	Correct	1 ms	5980 KB	Output is correct
110	Correct	44 ms	13600 KB	Output is correct
111	Correct	54 ms	15700 KB	Output is correct
112	Correct	2 ms	6232 KB	Output is correct
113	Correct	71 ms	19232 KB	Output is correct
114	Incorrect	28 ms	18388 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #1038484

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