답안 #728530

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
728530	2023-04-22T15:06:02 Z	Rasoul006	꿈 (IOI13_dreaming)	C++17	47 / 100	127 ms	18568 KB

dreaming

#include "dreaming.h"

#include <bits/stdc++.h>

#define endl "\n"

#define F first

#define S second

#define pb push_back

typedef long long ll;

using namespace std;

const int N = 1e5+5;

const long long oo = 1e18 ;

vector <pair <ll,ll>> v[N] ;

ll n , m , ans , best , mx , dis[N] , len ;

bool vis[N] ;

pair <ll,ll> dfs (ll u , ll p)
{
    vis[u] = true ;
    
    pair <ll,ll> ret = {0 , u} ;

    for (auto it : v[u])
    {
        if (it.F == p) continue ;

        pair <ll,ll> p = dfs(it.F , u) ;

        p.F += it.S ;

        ret = max(ret , p) ;
    }

    best = min(best , max(len - ret.F , ret.F) ) ;

    return ret ;
}


ll get (ll p)
{
    ll p1 , p2 ;
    p1 = dfs(p , p).S ;
    p2 = dfs(p1 , p1).S ;
    len = dfs(p1 , p1).F ;

    best = oo ;

    dfs(p1 , p1) ;

    return best ;
}


int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
    n = N ; m = M ;

    for (int i = 0 ; i<m ; i++)
    {
        v[B[i]].pb({A[i] , T[i]});
        v[A[i]].pb({B[i] , T[i]});
    }

    ans += get(1) ;

    ll bans = len ;

    for (int i = 1 ; i<=n ; i++)
    {
        if (!vis[i])
        {
            ans += get(i) ;
            break ;
        }
    }

    bans = max(bans , len) ;

    return max(bans , ans + L) ;
}

Compilation message

dreaming.cpp: In function 'll get(ll)':
dreaming.cpp:53:13: warning: variable 'p2' set but not used [-Wunused-but-set-variable]
   53 |     ll p1 , p2 ;
      |             ^~

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	15180 KB	Output is correct
2	Correct	61 ms	16392 KB	Output is correct
3	Correct	40 ms	11800 KB	Output is correct
4	Correct	9 ms	4708 KB	Output is correct
5	Correct	9 ms	3796 KB	Output is correct
6	Correct	14 ms	5872 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	26 ms	7608 KB	Output is correct
9	Correct	44 ms	9704 KB	Output is correct
10	Correct	2 ms	2660 KB	Output is correct
11	Correct	55 ms	11980 KB	Output is correct
12	Correct	102 ms	14316 KB	Output is correct
13	Correct	3 ms	2772 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	2 ms	2660 KB	Output is correct
5	Correct	2 ms	2660 KB	Output is correct
6	Correct	2 ms	2660 KB	Output is correct
7	Correct	2 ms	2660 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2580 KB	Output is correct
10	Correct	2 ms	2656 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	2 ms	2656 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2660 KB	Output is correct
18	Correct	2 ms	2656 KB	Output is correct
19	Correct	2 ms	2664 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	1 ms	2664 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	2 ms	2660 KB	Output is correct
25	Correct	3 ms	2660 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	15180 KB	Output is correct
2	Correct	61 ms	16392 KB	Output is correct
3	Correct	40 ms	11800 KB	Output is correct
4	Correct	9 ms	4708 KB	Output is correct
5	Correct	9 ms	3796 KB	Output is correct
6	Correct	14 ms	5872 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	26 ms	7608 KB	Output is correct
9	Correct	44 ms	9704 KB	Output is correct
10	Correct	2 ms	2660 KB	Output is correct
11	Correct	55 ms	11980 KB	Output is correct
12	Correct	102 ms	14316 KB	Output is correct
13	Correct	3 ms	2772 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2660 KB	Output is correct
18	Correct	2 ms	2660 KB	Output is correct
19	Correct	2 ms	2660 KB	Output is correct
20	Correct	2 ms	2660 KB	Output is correct
21	Correct	2 ms	2668 KB	Output is correct
22	Correct	2 ms	2580 KB	Output is correct
23	Correct	2 ms	2656 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	2 ms	2644 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2656 KB	Output is correct
28	Correct	2 ms	2644 KB	Output is correct
29	Correct	2 ms	2644 KB	Output is correct
30	Correct	2 ms	2660 KB	Output is correct
31	Correct	2 ms	2656 KB	Output is correct
32	Correct	2 ms	2664 KB	Output is correct
33	Correct	2 ms	2644 KB	Output is correct
34	Correct	1 ms	2664 KB	Output is correct
35	Correct	2 ms	2644 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2660 KB	Output is correct
38	Correct	3 ms	2660 KB	Output is correct
39	Correct	64 ms	16396 KB	Output is correct
40	Correct	74 ms	16332 KB	Output is correct
41	Correct	32 ms	11740 KB	Output is correct
42	Correct	8 ms	4608 KB	Output is correct
43	Correct	2 ms	2660 KB	Output is correct
44	Correct	1 ms	2644 KB	Output is correct
45	Correct	2 ms	2644 KB	Output is correct
46	Correct	2 ms	2644 KB	Output is correct
47	Correct	2 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	2 ms	2644 KB	Output is correct
50	Correct	2 ms	2644 KB	Output is correct
51	Correct	2 ms	2644 KB	Output is correct
52	Correct	2 ms	2644 KB	Output is correct
53	Correct	2 ms	2644 KB	Output is correct
54	Correct	2 ms	2660 KB	Output is correct
55	Correct	2 ms	2644 KB	Output is correct
56	Correct	2 ms	2664 KB	Output is correct
57	Correct	82 ms	11148 KB	Output is correct
58	Correct	78 ms	11108 KB	Output is correct
59	Correct	89 ms	10808 KB	Output is correct
60	Correct	111 ms	10924 KB	Output is correct
61	Correct	90 ms	10756 KB	Output is correct
62	Correct	101 ms	10868 KB	Output is correct
63	Correct	127 ms	10420 KB	Output is correct
64	Correct	70 ms	10316 KB	Output is correct
65	Correct	70 ms	10692 KB	Output is correct
66	Correct	74 ms	10652 KB	Output is correct
67	Correct	80 ms	10816 KB	Output is correct
68	Correct	101 ms	10848 KB	Output is correct
69	Correct	109 ms	11220 KB	Output is correct
70	Correct	103 ms	11180 KB	Output is correct
71	Correct	2 ms	2656 KB	Output is correct
72	Correct	4 ms	2936 KB	Output is correct
73	Correct	4 ms	2932 KB	Output is correct
74	Correct	4 ms	2840 KB	Output is correct
75	Correct	4 ms	2836 KB	Output is correct
76	Correct	4 ms	2928 KB	Output is correct
77	Correct	3 ms	2900 KB	Output is correct
78	Correct	4 ms	2868 KB	Output is correct
79	Correct	3 ms	2928 KB	Output is correct
80	Correct	87 ms	10860 KB	Output is correct
81	Correct	96 ms	10796 KB	Output is correct
82	Correct	89 ms	10852 KB	Output is correct
83	Correct	76 ms	10868 KB	Output is correct
84	Correct	3 ms	2772 KB	Output is correct
85	Correct	2 ms	2772 KB	Output is correct
86	Correct	3 ms	2772 KB	Output is correct
87	Correct	3 ms	2796 KB	Output is correct
88	Correct	3 ms	2772 KB	Output is correct
89	Correct	3 ms	2796 KB	Output is correct
90	Correct	3 ms	2772 KB	Output is correct
91	Correct	3 ms	2900 KB	Output is correct
92	Correct	4 ms	2772 KB	Output is correct
93	Correct	4 ms	2772 KB	Output is correct
94	Correct	2 ms	2656 KB	Output is correct
95	Correct	2 ms	2644 KB	Output is correct
96	Correct	2 ms	2656 KB	Output is correct
97	Correct	2 ms	2644 KB	Output is correct
98	Correct	2 ms	2644 KB	Output is correct
99	Correct	2 ms	2644 KB	Output is correct
100	Correct	2 ms	2644 KB	Output is correct
101	Correct	2 ms	2656 KB	Output is correct
102	Correct	3 ms	2644 KB	Output is correct
103	Correct	2 ms	2688 KB	Output is correct
104	Correct	8 ms	3820 KB	Output is correct
105	Correct	19 ms	5792 KB	Output is correct
106	Correct	2 ms	2660 KB	Output is correct
107	Correct	40 ms	7676 KB	Output is correct
108	Correct	49 ms	9732 KB	Output is correct
109	Correct	2 ms	2664 KB	Output is correct
110	Correct	59 ms	11964 KB	Output is correct
111	Correct	94 ms	14308 KB	Output is correct
112	Correct	2 ms	2796 KB	Output is correct
113	Correct	114 ms	18568 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	15 ms	4968 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2644 KB	Output is correct
2	Correct	2 ms	2644 KB	Output is correct
3	Correct	2 ms	2644 KB	Output is correct
4	Correct	2 ms	2660 KB	Output is correct
5	Correct	2 ms	2660 KB	Output is correct
6	Correct	2 ms	2660 KB	Output is correct
7	Correct	2 ms	2660 KB	Output is correct
8	Correct	2 ms	2668 KB	Output is correct
9	Correct	2 ms	2580 KB	Output is correct
10	Correct	2 ms	2656 KB	Output is correct
11	Correct	2 ms	2644 KB	Output is correct
12	Correct	2 ms	2644 KB	Output is correct
13	Correct	2 ms	2644 KB	Output is correct
14	Correct	2 ms	2656 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2660 KB	Output is correct
18	Correct	2 ms	2656 KB	Output is correct
19	Correct	2 ms	2664 KB	Output is correct
20	Correct	2 ms	2644 KB	Output is correct
21	Correct	1 ms	2664 KB	Output is correct
22	Correct	2 ms	2644 KB	Output is correct
23	Correct	2 ms	2644 KB	Output is correct
24	Correct	2 ms	2660 KB	Output is correct
25	Correct	3 ms	2660 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Incorrect	3 ms	2772 KB	Output isn't correct
28	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	15180 KB	Output is correct
2	Correct	61 ms	16392 KB	Output is correct
3	Correct	40 ms	11800 KB	Output is correct
4	Correct	9 ms	4708 KB	Output is correct
5	Correct	9 ms	3796 KB	Output is correct
6	Correct	14 ms	5872 KB	Output is correct
7	Correct	2 ms	2644 KB	Output is correct
8	Correct	26 ms	7608 KB	Output is correct
9	Correct	44 ms	9704 KB	Output is correct
10	Correct	2 ms	2660 KB	Output is correct
11	Correct	55 ms	11980 KB	Output is correct
12	Correct	102 ms	14316 KB	Output is correct
13	Correct	3 ms	2772 KB	Output is correct
14	Correct	2 ms	2644 KB	Output is correct
15	Correct	2 ms	2644 KB	Output is correct
16	Correct	2 ms	2644 KB	Output is correct
17	Correct	2 ms	2660 KB	Output is correct
18	Correct	2 ms	2660 KB	Output is correct
19	Correct	2 ms	2660 KB	Output is correct
20	Correct	2 ms	2660 KB	Output is correct
21	Correct	2 ms	2668 KB	Output is correct
22	Correct	2 ms	2580 KB	Output is correct
23	Correct	2 ms	2656 KB	Output is correct
24	Correct	2 ms	2644 KB	Output is correct
25	Correct	2 ms	2644 KB	Output is correct
26	Correct	2 ms	2644 KB	Output is correct
27	Correct	2 ms	2656 KB	Output is correct
28	Correct	2 ms	2644 KB	Output is correct
29	Correct	2 ms	2644 KB	Output is correct
30	Correct	2 ms	2660 KB	Output is correct
31	Correct	2 ms	2656 KB	Output is correct
32	Correct	2 ms	2664 KB	Output is correct
33	Correct	2 ms	2644 KB	Output is correct
34	Correct	1 ms	2664 KB	Output is correct
35	Correct	2 ms	2644 KB	Output is correct
36	Correct	2 ms	2644 KB	Output is correct
37	Correct	2 ms	2660 KB	Output is correct
38	Correct	3 ms	2660 KB	Output is correct
39	Correct	64 ms	16396 KB	Output is correct
40	Correct	74 ms	16332 KB	Output is correct
41	Correct	32 ms	11740 KB	Output is correct
42	Correct	8 ms	4608 KB	Output is correct
43	Correct	2 ms	2660 KB	Output is correct
44	Correct	1 ms	2644 KB	Output is correct
45	Correct	2 ms	2644 KB	Output is correct
46	Correct	2 ms	2644 KB	Output is correct
47	Correct	2 ms	2644 KB	Output is correct
48	Correct	2 ms	2644 KB	Output is correct
49	Correct	2 ms	2644 KB	Output is correct
50	Correct	2 ms	2644 KB	Output is correct
51	Correct	2 ms	2644 KB	Output is correct
52	Correct	2 ms	2644 KB	Output is correct
53	Correct	2 ms	2644 KB	Output is correct
54	Correct	2 ms	2660 KB	Output is correct
55	Correct	2 ms	2644 KB	Output is correct
56	Correct	2 ms	2664 KB	Output is correct
57	Correct	82 ms	11148 KB	Output is correct
58	Correct	78 ms	11108 KB	Output is correct
59	Correct	89 ms	10808 KB	Output is correct
60	Correct	111 ms	10924 KB	Output is correct
61	Correct	90 ms	10756 KB	Output is correct
62	Correct	101 ms	10868 KB	Output is correct
63	Correct	127 ms	10420 KB	Output is correct
64	Correct	70 ms	10316 KB	Output is correct
65	Correct	70 ms	10692 KB	Output is correct
66	Correct	74 ms	10652 KB	Output is correct
67	Correct	80 ms	10816 KB	Output is correct
68	Correct	101 ms	10848 KB	Output is correct
69	Correct	109 ms	11220 KB	Output is correct
70	Correct	103 ms	11180 KB	Output is correct
71	Correct	2 ms	2656 KB	Output is correct
72	Correct	4 ms	2936 KB	Output is correct
73	Correct	4 ms	2932 KB	Output is correct
74	Correct	4 ms	2840 KB	Output is correct
75	Correct	4 ms	2836 KB	Output is correct
76	Correct	4 ms	2928 KB	Output is correct
77	Correct	3 ms	2900 KB	Output is correct
78	Correct	4 ms	2868 KB	Output is correct
79	Correct	3 ms	2928 KB	Output is correct
80	Correct	87 ms	10860 KB	Output is correct
81	Correct	96 ms	10796 KB	Output is correct
82	Correct	89 ms	10852 KB	Output is correct
83	Correct	76 ms	10868 KB	Output is correct
84	Correct	3 ms	2772 KB	Output is correct
85	Correct	2 ms	2772 KB	Output is correct
86	Correct	3 ms	2772 KB	Output is correct
87	Correct	3 ms	2796 KB	Output is correct
88	Correct	3 ms	2772 KB	Output is correct
89	Correct	3 ms	2796 KB	Output is correct
90	Correct	3 ms	2772 KB	Output is correct
91	Correct	3 ms	2900 KB	Output is correct
92	Correct	4 ms	2772 KB	Output is correct
93	Correct	4 ms	2772 KB	Output is correct
94	Correct	2 ms	2656 KB	Output is correct
95	Correct	2 ms	2644 KB	Output is correct
96	Correct	2 ms	2656 KB	Output is correct
97	Correct	2 ms	2644 KB	Output is correct
98	Correct	2 ms	2644 KB	Output is correct
99	Correct	2 ms	2644 KB	Output is correct
100	Correct	2 ms	2644 KB	Output is correct
101	Correct	2 ms	2656 KB	Output is correct
102	Correct	3 ms	2644 KB	Output is correct
103	Correct	2 ms	2688 KB	Output is correct
104	Correct	8 ms	3820 KB	Output is correct
105	Correct	19 ms	5792 KB	Output is correct
106	Correct	2 ms	2660 KB	Output is correct
107	Correct	40 ms	7676 KB	Output is correct
108	Correct	49 ms	9732 KB	Output is correct
109	Correct	2 ms	2664 KB	Output is correct
110	Correct	59 ms	11964 KB	Output is correct
111	Correct	94 ms	14308 KB	Output is correct
112	Correct	2 ms	2796 KB	Output is correct
113	Correct	114 ms	18568 KB	Output is correct
114	Incorrect	15 ms	4968 KB	Output isn't correct
115	Halted	0 ms	0 KB	-

답안 #728530

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