oj.uz

Submission #1021982

# Submission time Handle Problem Language Result Execution time Memory
1021982 2024-07-13T08:28:14 Z amine_aroua Dreaming (IOI13_dreaming) C++17
47 / 100
 1000 ms 14160 KB 
#include "dreaming.h"
#include<bits/stdc++.h>
using namespace std;
vector<vector<pair<int ,int>>> adj;
vector<int> center;
vector<bool> vis;
int mx = 0;
int y = 0;
int z = 0;
void dfs1(int x , int p = -1 , int d = 0)
{
    vis[x] = 1;
    if(mx <= d)
    {
        mx = d;
        y = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        dfs1(u , x , d + c);
    }
}
vector<pair<int ,int>> par;
void dfs2(int x , int p = -1 , int d = 0)
{
    if(mx <= d)
    {
        mx = d;
        z = x;
    }
    for(auto [u , c] : adj[x])
    {
        if(u == p)
            continue;
        par[u]= {x , c};
        dfs2(u , x , d + c);
    }
}
int travelTime(int N, int M, int L, int A[], int B[], int T[])
{
    adj.assign(N , {});
    vis.assign(N , 0);
    for(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(int i = 0 ; i < N ; i++)
    {
        if(!vis[i])
        {
            y = 0;
            mx = 0;
            dfs1(i);
            mx = 0;
            z = 0;
            par.assign(N , {-1 , -1});
            dfs2(y);
            int sm = 0;
            int mid = z;
            int mn = mx;
            while(par[z].first != -1)
            {
                sm += par[z].second;
                if(abs(mx - 2*sm) <= mn)
                {
                    mid = par[z].first;
                    mn = abs(mx - 2*sm);
                }
                z = par[z].first;
            }
            center.push_back(mid);
        }
    }
    adj[center[0]].push_back({center[1] ,L});
    adj[center[1]].push_back({center[0] , L});
    y = 0;
    mx = 0;
    vis.assign(N , 0);
    dfs1(0);
    mx = 0;
    z = 0;
    dfs2(y);
    return mx;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 12632 KB Output is correct
2 Correct 37 ms 12628 KB Output is correct
3 Correct 25 ms 8532 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1572 KB Output is correct
6 Correct 12 ms 3148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 20 ms 4956 KB Output is correct
9 Correct 27 ms 6744 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8968 KB Output is correct
12 Correct 45 ms 10576 KB Output is correct
13 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 444 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 444 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 440 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 440 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 12632 KB Output is correct
2 Correct 37 ms 12628 KB Output is correct
3 Correct 25 ms 8532 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1572 KB Output is correct
6 Correct 12 ms 3148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 20 ms 4956 KB Output is correct
9 Correct 27 ms 6744 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8968 KB Output is correct
12 Correct 45 ms 10576 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 444 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 444 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 440 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 440 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 34 ms 12624 KB Output is correct
40 Correct 42 ms 12688 KB Output is correct
41 Correct 22 ms 8528 KB Output is correct
42 Correct 5 ms 2104 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 436 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 428 KB Output is correct
55 Correct 1 ms 444 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 41 ms 10092 KB Output is correct
58 Correct 40 ms 10076 KB Output is correct
59 Correct 45 ms 9812 KB Output is correct
60 Correct 41 ms 9928 KB Output is correct
61 Correct 40 ms 10064 KB Output is correct
62 Correct 42 ms 9912 KB Output is correct
63 Correct 44 ms 9556 KB Output is correct
64 Correct 68 ms 9560 KB Output is correct
65 Correct 41 ms 10072 KB Output is correct
66 Correct 38 ms 9808 KB Output is correct
67 Correct 42 ms 9812 KB Output is correct
68 Correct 48 ms 9996 KB Output is correct
69 Correct 57 ms 10068 KB Output is correct
70 Correct 51 ms 10232 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 2 ms 604 KB Output is correct
74 Correct 2 ms 604 KB Output is correct
75 Correct 1 ms 604 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 708 KB Output is correct
78 Correct 1 ms 504 KB Output is correct
79 Correct 2 ms 652 KB Output is correct
80 Correct 58 ms 9752 KB Output is correct
81 Correct 56 ms 9916 KB Output is correct
82 Correct 43 ms 10068 KB Output is correct
83 Correct 48 ms 10012 KB Output is correct
84 Correct 1 ms 604 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 496 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 460 KB Output is correct
91 Correct 2 ms 604 KB Output is correct
92 Correct 1 ms 600 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 344 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 6 ms 1372 KB Output is correct
105 Correct 9 ms 2940 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 19 ms 5108 KB Output is correct
108 Correct 26 ms 6480 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 35 ms 8816 KB Output is correct
111 Correct 41 ms 10576 KB Output is correct
112 Correct 1 ms 344 KB Output is correct
113 Correct 51 ms 14160 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1064 ms 6132 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 444 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 444 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 440 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 440 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Incorrect 1 ms 348 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 36 ms 12632 KB Output is correct
2 Correct 37 ms 12628 KB Output is correct
3 Correct 25 ms 8532 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1572 KB Output is correct
6 Correct 12 ms 3148 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 20 ms 4956 KB Output is correct
9 Correct 27 ms 6744 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 34 ms 8968 KB Output is correct
12 Correct 45 ms 10576 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 444 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 444 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 440 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 440 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 34 ms 12624 KB Output is correct
40 Correct 42 ms 12688 KB Output is correct
41 Correct 22 ms 8528 KB Output is correct
42 Correct 5 ms 2104 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 436 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 428 KB Output is correct
55 Correct 1 ms 444 KB Output is correct
56 Correct 1 ms 348 KB Output is correct
57 Correct 41 ms 10092 KB Output is correct
58 Correct 40 ms 10076 KB Output is correct
59 Correct 45 ms 9812 KB Output is correct
60 Correct 41 ms 9928 KB Output is correct
61 Correct 40 ms 10064 KB Output is correct
62 Correct 42 ms 9912 KB Output is correct
63 Correct 44 ms 9556 KB Output is correct
64 Correct 68 ms 9560 KB Output is correct
65 Correct 41 ms 10072 KB Output is correct
66 Correct 38 ms 9808 KB Output is correct
67 Correct 42 ms 9812 KB Output is correct
68 Correct 48 ms 9996 KB Output is correct
69 Correct 57 ms 10068 KB Output is correct
70 Correct 51 ms 10232 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 2 ms 604 KB Output is correct
74 Correct 2 ms 604 KB Output is correct
75 Correct 1 ms 604 KB Output is correct
76 Correct 1 ms 604 KB Output is correct
77 Correct 1 ms 708 KB Output is correct
78 Correct 1 ms 504 KB Output is correct
79 Correct 2 ms 652 KB Output is correct
80 Correct 58 ms 9752 KB Output is correct
81 Correct 56 ms 9916 KB Output is correct
82 Correct 43 ms 10068 KB Output is correct
83 Correct 48 ms 10012 KB Output is correct
84 Correct 1 ms 604 KB Output is correct
85 Correct 1 ms 604 KB Output is correct
86 Correct 1 ms 496 KB Output is correct
87 Correct 1 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 460 KB Output is correct
91 Correct 2 ms 604 KB Output is correct
92 Correct 1 ms 600 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 344 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 348 KB Output is correct
102 Correct 0 ms 344 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 6 ms 1372 KB Output is correct
105 Correct 9 ms 2940 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 19 ms 5108 KB Output is correct
108 Correct 26 ms 6480 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 35 ms 8816 KB Output is correct
111 Correct 41 ms 10576 KB Output is correct
112 Correct 1 ms 344 KB Output is correct
113 Correct 51 ms 14160 KB Output is correct
114 Execution timed out 1064 ms 6132 KB Time limit exceeded
115 Halted 0 ms 0 KB -