oj.uz

Submission #728530

# Submission time Handle Problem Language Result Execution time Memory
728530 2023-04-22T15:06:02 Z Rasoul006 Dreaming (IOI13_dreaming) C++17
47 / 100
 127 ms 18568 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 4968 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -