oj.uz

Submission #1021998

# Submission time Handle Problem Language Result Execution time Memory
1021998 2024-07-13T08:49:41 Z amine_aroua Dreaming (IOI13_dreaming) C++17
47 / 100
 1000 ms 14064 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);
        }
    }
    for(int i = 0 ; i + 1 < (int)center.size() ; i++)
    {
        adj[center[i]].push_back({center[i+1] ,L});
        adj[center[i+1]].push_back({center[i] , 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 33 ms 12628 KB Output is correct
2 Correct 33 ms 12636 KB Output is correct
3 Correct 24 ms 8672 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1468 KB Output is correct
6 Correct 9 ms 3132 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 22 ms 4880 KB Output is correct
9 Correct 25 ms 6748 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 37 ms 9032 KB Output is correct
12 Correct 41 ms 10580 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 448 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 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 1 ms 344 KB Output is correct
24 Correct 1 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 33 ms 12628 KB Output is correct
2 Correct 33 ms 12636 KB Output is correct
3 Correct 24 ms 8672 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1468 KB Output is correct
6 Correct 9 ms 3132 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 22 ms 4880 KB Output is correct
9 Correct 25 ms 6748 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 37 ms 9032 KB Output is correct
12 Correct 41 ms 10580 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 0 ms 448 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 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 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 37 ms 12632 KB Output is correct
40 Correct 45 ms 12620 KB Output is correct
41 Correct 23 ms 8528 KB Output is correct
42 Correct 5 ms 2140 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 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 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 50 ms 9900 KB Output is correct
58 Correct 42 ms 9852 KB Output is correct
59 Correct 58 ms 9808 KB Output is correct
60 Correct 49 ms 10012 KB Output is correct
61 Correct 37 ms 10044 KB Output is correct
62 Correct 43 ms 10108 KB Output is correct
63 Correct 37 ms 9784 KB Output is correct
64 Correct 40 ms 9552 KB Output is correct
65 Correct 38 ms 9816 KB Output is correct
66 Correct 39 ms 9816 KB Output is correct
67 Correct 46 ms 9812 KB Output is correct
68 Correct 44 ms 9812 KB Output is correct
69 Correct 44 ms 10076 KB Output is correct
70 Correct 45 ms 10132 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 496 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 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 2 ms 604 KB Output is correct
80 Correct 44 ms 9876 KB Output is correct
81 Correct 51 ms 9808 KB Output is correct
82 Correct 44 ms 10016 KB Output is correct
83 Correct 40 ms 10064 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 492 KB Output is correct
87 Correct 1 ms 592 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 460 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 348 KB Output is correct
99 Correct 0 ms 436 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 344 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 4 ms 1372 KB Output is correct
105 Correct 9 ms 3164 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 4836 KB Output is correct
108 Correct 27 ms 6744 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 38 ms 8836 KB Output is correct
111 Correct 39 ms 10588 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 52 ms 14064 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1029 ms 6228 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 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 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 600 KB Output is correct
10 Correct 0 ms 448 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 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 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Incorrect 1 ms 344 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 12628 KB Output is correct
2 Correct 33 ms 12636 KB Output is correct
3 Correct 24 ms 8672 KB Output is correct
4 Correct 5 ms 2140 KB Output is correct
5 Correct 4 ms 1468 KB Output is correct
6 Correct 9 ms 3132 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 22 ms 4880 KB Output is correct
9 Correct 25 ms 6748 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 37 ms 9032 KB Output is correct
12 Correct 41 ms 10580 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 0 ms 448 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 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 1 ms 344 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 37 ms 12632 KB Output is correct
40 Correct 45 ms 12620 KB Output is correct
41 Correct 23 ms 8528 KB Output is correct
42 Correct 5 ms 2140 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 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 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 50 ms 9900 KB Output is correct
58 Correct 42 ms 9852 KB Output is correct
59 Correct 58 ms 9808 KB Output is correct
60 Correct 49 ms 10012 KB Output is correct
61 Correct 37 ms 10044 KB Output is correct
62 Correct 43 ms 10108 KB Output is correct
63 Correct 37 ms 9784 KB Output is correct
64 Correct 40 ms 9552 KB Output is correct
65 Correct 38 ms 9816 KB Output is correct
66 Correct 39 ms 9816 KB Output is correct
67 Correct 46 ms 9812 KB Output is correct
68 Correct 44 ms 9812 KB Output is correct
69 Correct 44 ms 10076 KB Output is correct
70 Correct 45 ms 10132 KB Output is correct
71 Correct 1 ms 348 KB Output is correct
72 Correct 1 ms 604 KB Output is correct
73 Correct 1 ms 604 KB Output is correct
74 Correct 1 ms 496 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 604 KB Output is correct
78 Correct 1 ms 604 KB Output is correct
79 Correct 2 ms 604 KB Output is correct
80 Correct 44 ms 9876 KB Output is correct
81 Correct 51 ms 9808 KB Output is correct
82 Correct 44 ms 10016 KB Output is correct
83 Correct 40 ms 10064 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 492 KB Output is correct
87 Correct 1 ms 592 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 460 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 348 KB Output is correct
99 Correct 0 ms 436 KB Output is correct
100 Correct 0 ms 348 KB Output is correct
101 Correct 0 ms 344 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 0 ms 348 KB Output is correct
104 Correct 4 ms 1372 KB Output is correct
105 Correct 9 ms 3164 KB Output is correct
106 Correct 0 ms 348 KB Output is correct
107 Correct 18 ms 4836 KB Output is correct
108 Correct 27 ms 6744 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 38 ms 8836 KB Output is correct
111 Correct 39 ms 10588 KB Output is correct
112 Correct 1 ms 348 KB Output is correct
113 Correct 52 ms 14064 KB Output is correct
114 Execution timed out 1029 ms 6228 KB Time limit exceeded
115 Halted 0 ms 0 KB -